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Khoshakhlagh AH, Ghobakhloo S, Peijnenburg WJGM, Gruszecka-Kosowska A, Cicchella D. To breathe or not to breathe: Inhalational exposure to heavy metals and related health risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 932:172556. [PMID: 38679085 DOI: 10.1016/j.scitotenv.2024.172556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/01/2024]
Abstract
This study reviewed scientific literature on inhalation exposure to heavy metals (HMs) in various indoor and outdoor environments and related carcinogenic and non-carcinogenic risk. A systematic search in Web of Science, Scopus, PubMed, Embase, and Medline databases yielded 712 results and 43 articles met the requirements of the Population, Exposure, Comparator, and Outcomes (PECO) criteria. Results revealed that HM concentrations in most households exceeded the World Health Organization (WHO) guideline values, indicating moderate pollution and dominant anthropogenic emission sources of HMs. In the analyzed schools, universities, and offices low to moderate levels of air pollution with HMs were revealed, while in commercial environments high levels of air pollution were stated. The non-carcinogenic risk due to inhalation HM exposure exceeded the acceptable level of 1 in households, cafes, hospitals, restaurants, and metros. The carcinogenic risk for As and Cr in households, for Cd, Cr, Ni, As, and Co in educational environments, for Pb, Cd, Cr, and Co in offices and commercial environments, and for Ni in metros exceeded the acceptable level of 1 × 10-4. Carcinogenic risk was revealed to be higher indoors than outdoors. This review advocates for fast and effective actions to reduce HM exposure for safer breathing.
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Affiliation(s)
- Amir Hossein Khoshakhlagh
- Department of Occupational Health Engineering, School of Health, Kashan University of Medical Sciences, Kashan, Iran
| | - Safiye Ghobakhloo
- Department of Environmental Health Engineering, School of Health, Kashan University of Medical Sciences, Kashan, Iran.
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300RA, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven 3720BA, the Netherlands
| | - Agnieszka Gruszecka-Kosowska
- AGH University of Krakow; Faculty of Geology, Geophysics, and Environmental Protection, Department of Environmental Protection, Al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Domenico Cicchella
- Department of Science and Technology, University of Sannio, 82100 Benevento, Italy
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Wu MW, Dong WJ, Guan DX, Li SW, Ma LQ. Total contents, fractionation and bioaccessibility of nine heavy metals in household dust from 14 cities in China. ENVIRONMENTAL RESEARCH 2024; 243:117842. [PMID: 38065384 DOI: 10.1016/j.envres.2023.117842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/30/2023] [Accepted: 11/30/2023] [Indexed: 02/06/2024]
Abstract
The potential health risk caused by long-term exposure to heavy metals in household dust is not only depended on their total content, but also bioaccessibility. In this study, twenty-one dust samples were collected from residential buildings, schools, and laboratories in 14 provincial-capital/industrial cities of China, aiming to evaluate the total contents, fractionation, bioaccessibility and health risks of nine heavy metals (As, Cd, Cr, Ni, Pb, Mn, Zn, Fe, and Cu). Results showed that the highest levels of Cd, Cr, Ni and Zn were found in laboratory dust, As, Pb and Mn in school dust, and Fe and Cu in residential dust, indicating different source profiles of the heavy metals. The mean bioaccessibility of the heavy metals across all samples as evaluated using SBRC (Solubility Bioavailability Research Consortium), IVG (In Vitro Gastrointestinal), and PBET (Physiologically Based Extraction Test) assays was 58.4%, 32.4% and 17.2% in gastric phase (GP), and 24.9%, 21.9% and 9.39% in intestinal phase (IP), respectively. Cadmium had the highest content in the fractions of E1+C2 (43.7%), as determined by sequential extraction, and Pb, Mn, and Zn had a higher content in E1+C2+F3 (64.2%, 67.2%, 78.8%), resulting in a higher bioaccessibility of these heavy metals than others. Moreover, the bioaccessibility of most heavy metals was inversely related to dust pH (R = -0.18 in GP; -0.18 in IP; P < 0.01) and particle size, while a positive correlation was observed with total organic carbon (R = 0.40 in GP; 0.38 in IP; P < 0.01). The exposure risk calculated by the highest bioaccessibility was generally lower than that calculated by the total content. However, Pb in one school dust sample had an unacceptable carcinogenic risk (adult risk = 1.19 × 10-4; child risk = 1.08 × 10-4). This study suggests that bioaccessibility of heavy metals in household dust is likely related to geochemical fractions and physical/chemical properties. Further research is needed to explore the sources of bioaccessible heavy metals in household dust.
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Affiliation(s)
- Ming-Wen Wu
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wen-Jie Dong
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Dong-Xing Guan
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Shi-Wei Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Lena Q Ma
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
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Khajooee N, Modabberi S, Khoshmanesh Zadeh B, Razavian F, Gayà-Caro N, Sierra J, Rovira J. Contamination level, spatial distribution, and sources of potentially toxic elements in indoor settled household dusts in Tehran, Iran. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:56. [PMID: 38270787 DOI: 10.1007/s10653-023-01838-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 12/15/2023] [Indexed: 01/26/2024]
Abstract
Tehran, the capital city of Iran, has been facing air pollution for several decades due to rapid urbanization, population growth, improper vehicle use, and the low quality of fuels. In this study, 31 indoor dust samples were collected passively from residential and commercial buildings located in the central and densely populated districts of the city. These samples were analyzed after preparation to measure the concentration of elements (As, Be, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Se, Sr, V, Zn). Statistical data analyses were employed to compare their relationship across various uses, variations, and for source identification. Geochemical indices of contamination factor (CF) and pollution load index (PLI) were utilized to evaluate the degree of contamination. The mean concentrations of Zn, Cu, and Pb (938, 206, and 176 µg g-1, respectively) are 6, 5, and 3 times higher than their mean values in worldwide urban soils. Additionally, Cd, Mo, and Ni showed concentrations about 1.5 times higher, while As, Co, Cr, Mn, and Sr fell within the range of reference soils. Be, V, and Sb displayed remarkably lower mean values. Building use did not significantly influence element levels in indoor deposited dust except for Pb and Zn. A comparison of indoor concentrations with previously published data for outdoor dusts revealed higher enrichments of Mo, Cu, Pb, and Ni, while As, Cd, and Zn showed lower enrichments in street dust samples. The order of CF values indicated Hg > Zn > Cd > Pb > Cu > As > Ni > Cr > Co > V. For Hg, Zn, Pb, Cd, and Cu, all or almost all samples exhibited very high contamination. PLI values were consistently higher than 1, indicating contamination in all samples. Multivariate statistical analysis and Tehran's specific geological location suggested that mafic-intermediate volcanic rocks are primary sources for Cr, Cu, Fe, and Ni (PC1). As, Pb, and V (PC2) were attributed to fossil fuel combustion in vehicles and residential buildings. Pb is a legacy metal remaining from the use of leaded gasoline, which was phased out in the 1990s. Zn (PC3) is derived from vehicle tires.
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Affiliation(s)
- Neda Khajooee
- Department of Environmental Science and Engineering, West Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Soroush Modabberi
- School of Geology, College of Science, University of Tehran, Tehran, Iran.
| | - Behnoush Khoshmanesh Zadeh
- Department of Environmental Science and Engineering, West Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Fatemeh Razavian
- Department of Environmental Science and Engineering, West Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Nuria Gayà-Caro
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
- Institut d'Investigació Sanitària Pere Virgili (IISPV), 43204, Reus, Catalonia, Spain
- Center of Environmental, Food and Toxicological Technology - TecnATox, Universitat Rovira i Virgili, Tarragona, Spain
| | - Jordi Sierra
- Faculty of Pharmacy, Universitat de Barcelona, Joan XXIII s/n Avenue, 08028, Barcelona, Catalonia, Spain
- Center of Environmental, Food and Toxicological Technology - TecnATox, Universitat Rovira i Virgili, Tarragona, Spain
| | - Joaquim Rovira
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
- Institut d'Investigació Sanitària Pere Virgili (IISPV), 43204, Reus, Catalonia, Spain
- Environmental Engineering Laboratory, Departament d'Enginyeria Química, Universitat Rovira i Virgili, Paisos Catalans Avenue 26, 43007, Tarragona, Catalonia, Spain
- Center of Environmental, Food and Toxicological Technology - TecnATox, Universitat Rovira i Virgili, Tarragona, Spain
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Nazzal Y, Bărbulescu A, Sharma M, Howari F, Naseem M. Evaluating the Contamination by Indoor Dust in Dubai. TOXICS 2023; 11:933. [PMID: 37999585 PMCID: PMC10674184 DOI: 10.3390/toxics11110933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023]
Abstract
Nowadays, people spend most of their time indoors. Despite constantly cleaning these spaces, dust apparition cannot be avoided. Since dust can contain chemical elements that negatively impact people's health, we propose the analysis of the metals from the indoor dust component collected in different locations in Dubai, UAE. Multivariate statistics (correlation matrix, clustering) and quality indicators (QI)-Igeo, PI, EF, PLI, Nemerow-were used to assess the contamination level with different metals in the dust. We proposed two new QIs (CPI and AQI) and compared the results with those provided by the most used indices-PLI and Nemerow. It is shown that high concentrations of some elements (Ca in this case) can significantly increase the values of the Nemerow index, CPI, and AQI. In contrast, the existence of low concentrations leads to the decrement of the PLI.
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Affiliation(s)
- Yousef Nazzal
- College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates; (Y.N.); (M.S.); (M.N.)
| | - Alina Bărbulescu
- Department of Civil Engineering, Transilvania University of Brașov, 5 Turnului Str., 900152 Brasov, Romania
| | - Manish Sharma
- College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates; (Y.N.); (M.S.); (M.N.)
| | - Fares Howari
- College of Arts and Sciences, Fort Valley State University, Fort Valley, GA 31030, USA;
| | - Muhammad Naseem
- College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates; (Y.N.); (M.S.); (M.N.)
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Araja A, Bertins M, Celma G, Busa L, Viksna A. Distribution of Minor and Major Metallic Elements in Residential Indoor Dust: A Case Study in Latvia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:6207. [PMID: 37444055 PMCID: PMC10341758 DOI: 10.3390/ijerph20136207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has not only brought considerable and permanent changes to economies and healthcare systems, but it has also greatly changed the habits of almost the entire society. During the lockdowns, people were forced to stay in their dwellings, which served as a catalyst for the initiation of a survey on the estimation of the metallic element content in residential indoor dust in different parts of Latvia. This article presents the study results obtained through the analysis of collected dust samples from 46 dwellings, both in the capital of Latvia, Riga, and in smaller cities. Two methods were employed for indoor dust collection: vacuum sampling and manual sampling with a brush and plastic spatula. After microwave-assisted acid extraction, the samples were analyzed using inductively coupled plasma mass spectrometry (ICP-MS) in terms of the major (Na, K, Ca, Mg, Al and Fe) and minor (Mn, Ni, Co, Pb, Cr, As, Ba, Li, Be, B, V, Cu, Zn, Se, Rb, Sr, Cd, La, Ce and Bi) elements. For the data analysis, principal component analysis was performed. Among the measured metals, the highest values were determined for the macro and most abundant elements (Na > K > Ca > Fe > Mg > Al). The concentration ranges of the persistently detected elements were as follows: Pb, 0.27-1200 mg kg-1; Cd, 0.01-6.37 mg kg-1; Ni, 0.07-513 mg kg-1; As, 0.01-69.2 mg kg-1; Cu, 5.71-1900 mg kg-1; Zn, 53.6-21,100 mg kg-1; and Cr, 4.93-412 mg kg-1. The critical limit values of metallic elements in soil defined by the legislation of the Republic of Latvia (indicating the level at or above which the functional characteristics of soil are disrupted, or pollution poses a direct threat to human health or the environment) were exceeded in the following numbers of dwellings: Pb = 4, Ni = 2, As = 1, Cu = 16, Cr = 1 and Zn = 28.
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Affiliation(s)
- Agnese Araja
- Faculty of Chemistry, University of Latvia, Jelgavas Str.1, LV-1004 Riga, Latvia
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Sharma B, Handique S, Jyethi DS. Elemental composition of rural household dust in Brahmaputra fluvial plain: insights from SEM-EDS, receptor model, and risk assessment. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:2447-2460. [PMID: 35995879 DOI: 10.1007/s10653-022-01361-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
The study attempts to look into the morphological characteristics, elemental composition, contamination, source contributions, and associated health risks in household dust of Napaam, a rural region in the Brahmaputra flood plain in North East India. Morphological evidence suggests that most of the house dust particles were sourced from vehicle abrasion and soil. Three contamination indices-enrichment factor (EF), index of geo-accumulation (Igeo), and pollution load index (PLI) indicated that Cl and four trace elements (Cu, Zn, As, and Pb) are significantly enriched in house dust with extreme pollution load. Principal component analysis (PCA) and positive matrix factorization (PMF) revealed 3 potential major sources of elements in house dust-traffic + re-suspension of road dust (35.8%), soil dust (22.2%), and river sediment deposit (16.4%). Two minor sources-biomass burning (13.3%), and construction activities (12.3%) were also identified. Based on health risk assessment (HRA), both children and adult were found to be susceptible to non-carcinogenic and carcinogenic risks.
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Affiliation(s)
- Bijay Sharma
- Department of Earth Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, West Bengal, India
- Department of Environmental Science, Tezpur University, Tezpur, Assam, India
- School of Civil and Environmental Engineering, Indian Institute of Technology (IIT) Mandi, Kamand, Himachal Pradesh, India
| | - Sumi Handique
- Department of Environmental Science, Tezpur University, Tezpur, Assam, India
| | - Darpa Saurav Jyethi
- Theoretical and Applied Sciences Unit, Physics and Earth Sciences Division, Indian Statistical Institute (ISI), North-East Centre, Tezpur, Assam, India.
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Ibañez-Del Rivero C, Fry KL, Gillings MM, Barlow CF, Aelion CM, Taylor MP. Sources, pathways and concentrations of potentially toxic trace metals in home environments. ENVIRONMENTAL RESEARCH 2023; 220:115173. [PMID: 36584841 DOI: 10.1016/j.envres.2022.115173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/13/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
Despite ongoing concerns about trace metal and metalloid (trace metals) exposure risks from indoor dust, there has been limited research examining their sources and relationship to outdoor soils. Here we determine the concentrations and sources for potentially toxic trace metals arsenic (As), chromium (Cr), copper (Cu), manganese (Mn), lead (Pb) and zinc (Zn) and their pathways into homes in Sydney, Australia, using home-matched indoor dust (n = 166), garden soil (n = 166), and road dust samples (n = 51). All trace metals were more elevated indoors versus their matched garden soil counterparts. Indoor Cu and Zn dust concentrations were significantly more enriched than outdoor dusts and soils, indicating indoor sources were more relevant for these elements. By contrast, even though Pb was elevated in indoor dust, garden soil concentrations were correspondingly high, indicating that it remains an important source and pathway for indoor contamination. Elevated concentrations of As, Pb and Zn in garden soil and indoor dust were associated with home age (>50 years), construction materials, recent renovations and deteriorating interior paint. Significant correlations (p < 0.05) between road dust and garden soil Cu concentrations, and those of As and Zn in soil and indoor dust, and Pb across all three media suggest common sources. Scanning electron microscopy (SEM) analysis of indoor dust samples (n = 6) showed that 57% of particles were derived from outdoor sources. Lead isotopic compositions of soil (n = 21) and indoor dust (n = 21) were moderately correlated, confirming the relevance of outdoor contaminants to indoor environments. This study illustrates the source, relationship and fate of trace metals between outdoor and indoor environments. The findings provide insight into understanding and responding to potentially toxic trace metal exposures in the home environment.
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Affiliation(s)
- Carlos Ibañez-Del Rivero
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Kara L Fry
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; Environment Protection Authority Victoria, EPA Science, Centre for Applied Sciences, Ernest Jones Drive, Macleod, Melbourne, Victoria, 3085, Australia
| | - Max M Gillings
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Cynthia F Barlow
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; The Australian Centre for Housing Research, Faculty of Arts, Business, Law and Economics, University of Adelaide, SA, 5000, Australia
| | - C Marjorie Aelion
- Department of Environmental Health Sciences, School of Public Health & Health Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Mark Patrick Taylor
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; Environment Protection Authority Victoria, EPA Science, Centre for Applied Sciences, Ernest Jones Drive, Macleod, Melbourne, Victoria, 3085, Australia.
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Ajayi OO, Aborode AT, Orege JI, Oyewumi TO, Othmani A, Adegbola MA, Orege OB. Bio-accessibility and health risk assessment of some selected heavy metals in indoor dust from higher institutions in Ondo State, Nigeria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:25256-25264. [PMID: 35864396 DOI: 10.1007/s11356-022-22034-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Risks of heavy metal exposure from contaminated indoor dust constitute a major threat to human health. In this paper, heavy metals in deposited indoor dust samples from four tertiary institutions in Ondo State, Nigeria-Federal University of Technology, Akure; Federal College of Agriculture, Akure; Ondo State College of Health Science Technology, Akure; and Adeyemi College of Education, Ondo-were examined. The samples were collected from each location by dusting the surfaces of doors, windows, and bookshelves in lecture rooms, hostels, laboratories, and libraries, homogenized into a representative composite, and analyzed for Cr, Pb, Cd, Cu, and Zn using a flame atomic absorption spectrophotometer (FAAS) to assess their potential health risk to humans. Cu had the highest mean metal concentration in the range (0.18-0.31 mg/kg) and Cd had the lowest (ND-0.02 mg/kg) in the study. Samples from Federal College of Agriculture had the highest metal concentration, while those from Ondo State College of Health Science Technology had the lowest. The average daily dose (ADD) through ingestion was determined to be the key exposure pathway in a non-carcinogenic investigation followed by ADD through dermal contact and ADD via inhalation accordingly. Despite this, the hazard quotients (HQ) and hazard indices (HI) were well below the safety limit of one. The study established that carcinogenic effect cannot be experienced with exposure to the studied dust samples. To retain the status, it is suggested that a reasonable level of safety and tight rules be implemented.
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Affiliation(s)
| | | | - Joshua Iseoluwa Orege
- University of Chinese Academy of Sciences, Beijing, China
- Department of Industrial Chemistry, Ekiti State University, PMB 5363, Ado Ekiti, Nigeria
| | | | - Amina Othmani
- Faculty of Sciences of Monastir, University of Monastri, Avenue of the Environment, 5019, Monastir, Tunisia
| | - Mary Adeola Adegbola
- Department of Zoology and Environmental Biology, Ekiti State University, PMB 5363, Ado Ekiti, Nigeria
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Gul HK, Gullu G, Babaei P, Nikravan A, Kurt-Karakus PB, Salihoglu G. Assessment of house dust trace elements and human exposure in Ankara, Turkey. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:7718-7735. [PMID: 36044148 PMCID: PMC9428879 DOI: 10.1007/s11356-022-22700-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
One of the impacts of the COVID-19 pandemic is leading people remain at homes longer than ever. Considering the elongation of the time people spend indoors, the potential health risks caused by contaminants including heavy metals in indoor environments have become even more critical. The purpose of this study was to evaluate the levels and sources of heavy metals in indoor dust, to assess the exposure to heavy metals via indoor dust, and to estimate the associated health risk. The highest median value was measured for Zn (263 μg g-1), while the lowest median concentration value was observed for Cd (0.348 μg g-1). The levels of elements measured in the current study were found to be within the ranges reported in the other parts of the world, mostly close to the lower end of the range. House characteristics such as proximity to the main street, presence of pets, number of occupants, and age of the building were the house characteristics influencing the observed higher concentrations of certain heavy metals in houses. Enrichment factor values range between 1.79 (Cr) and 20.4 (Zn) with an average EF value of 8.80 ± 6.80 representing that the targeted elements are enriched (EF>2) in indoor dust in Ankara. Positive matrix factorization results showed that the heavy metals in the house dust in the study area are mainly contributed from sources namely outdoor dust, carpets/furniture, solders, wall paint/coal combustion, and cigarette smoke. Carcinogenic and non-carcinogenic risk values from heavy metals did not exceed the safe limits recommended by EPA. The highest carcinogenic risk level was caused by Cr. The risk through ingestion was higher than inhalation, and the risk levels were higher for children than for adults.
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Affiliation(s)
- Hatice Kubra Gul
- Department of Environmental Engineering, Faculty of Engineering and Natural Sciences, Bursa Technical University, Bursa, Turkey
| | - Gulen Gullu
- Department of Environmental Engineering, Faculty of Engineering, Hacettepe University, Ankara, Turkey
| | - Parisa Babaei
- Department of Environmental Engineering, Faculty of Engineering, Hacettepe University, Ankara, Turkey
| | - Afsoun Nikravan
- Department of Environmental Engineering, Faculty of Engineering, Hacettepe University, Ankara, Turkey
| | - Perihan Binnur Kurt-Karakus
- Department of Environmental Engineering, Faculty of Engineering and Natural Sciences, Bursa Technical University, Bursa, Turkey.
| | - Guray Salihoglu
- Department of Environmental Engineering, Faculty of Engineering, Bursa Uludag University, Bursa, Turkey
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Zhao P, Liu X, Yin L, Tian D, Wang X. Levels, distribution characteristics, and sources of heavy metals in indoor dust in Shijiazhuang, China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:857. [PMID: 36208397 DOI: 10.1007/s10661-022-10543-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Heavy metals in indoor dust are associated with health risks in humans. However, in Shijiazhuang, a city in northern China with severe haze, no research has been published on this topic. To determine the content, distribution characteristics, and sources of heavy metals in indoor dust in the city of Shijiazhuang, indoor dust samples from 33 sampling points in the main urban area of Shijiazhuang were collected and tested. Concentrations of Cu, Ni, Cr, Zn, Cd, and Pb were 87.0, 35.1, 104.4, 568.0, 1.980, and 187.6 mg·kg-1, respectively; their levels have been discussed statistically in comparison with the reported values in other cities in China. The sources of heavy metals were analyzed using enrichment factor, correlation coefficient, and principal component analysis. The results showed that the levels of all six elements in indoor dust in Shijiazhuang exceeded the background values of soil in Hebei Province. Among these, Cd, Pb, and Zn were significantly enriched. The enrichment factors of Cu, Ni, and Cr were below 10, and their levels at different sampling points were similar, indicating their geogenic source. The corresponding pollution levels of Cd, Pb, and Zn were relatively high, and their levels at different points were significantly different and correlated, indicating that they were derived mainly from transportation. Additionally, the level of Zn was significantly affected by the indoor environment. Our findings provide a basis for conducting health risk assessments in the future.
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Affiliation(s)
- Peipei Zhao
- College of Earth Sciences, Hebei GEO University, Shijiazhuang, 050031, China
- Hebei Key Laboratory of Strategic Critical Mineral Resources, Hebei GEO University, Shijiazhuang, 050031, China
| | - Xinxing Liu
- College of Earth Sciences, Hebei GEO University, Shijiazhuang, 050031, China
- Hebei Key Laboratory of Strategic Critical Mineral Resources, Hebei GEO University, Shijiazhuang, 050031, China
| | - Lu Yin
- College of Earth Sciences, Hebei GEO University, Shijiazhuang, 050031, China.
- Hebei Key Laboratory of Strategic Critical Mineral Resources, Hebei GEO University, Shijiazhuang, 050031, China.
| | - Dezhi Tian
- College of Earth Sciences, Hebei GEO University, Shijiazhuang, 050031, China
| | - Xingqi Wang
- College of Earth Sciences, Hebei GEO University, Shijiazhuang, 050031, China
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Gad A, Saleh A, Farhat HI, Dawood YH, Abd El Bakey SM. Spatial Distribution, Contamination Levels, and Health Risk Assessment of Potentially Toxic Elements in Household Dust in Cairo City, Egypt. TOXICS 2022; 10:toxics10080466. [PMID: 36006146 PMCID: PMC9414935 DOI: 10.3390/toxics10080466] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/07/2022] [Accepted: 08/09/2022] [Indexed: 05/17/2023]
Abstract
Urban areas’ pollution, which is owing to rapid urbanization and industrialization, is one of the most critical issues in densely populated cities such as Cairo. The concentrations and the spatial distribution of fourteen potentially toxic elements (PTEs) in household dust were investigated in Cairo City, Egypt. PTE exposure and human health risk were assessed using the USEPA’s exposure model and guidelines. The levels of As, Cd, Cr, Cu, Hg, Mo, Ni, Pb, and Zn surpassed the background values. Contamination factor index revealed that contamination levels are in the sequence Cd > Hg > Zn > Pb > Cu > As > Mo > Ni > Cr > Co > V > Mn > Fe > Al. The degree of contamination ranges from considerably to very high pollution. Elevated PTE concentrations in Cairo’s household dust may be due to heavy traffic emissions and industrial activities. The calculated noncarcinogenic risk for adults falls within the safe limit, while those for children exceed that limit in some sites. Cairo residents are at cancer risk owing to prolonged exposure to the indoor dust in their homes. A quick and targeted plan must be implemented to mitigate these risks.
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Affiliation(s)
- Ahmed Gad
- Geology Department, Faculty of Science, Ain Shams University, Cairo 11566, Egypt
- Correspondence: (A.G.); (A.S.)
| | - Ahmed Saleh
- National Research Institute of Astronomy and Geophysics (NRIAG), Cairo 11421, Egypt
- Correspondence: (A.G.); (A.S.)
| | - Hassan I. Farhat
- Geology Department, Faculty of Science, Suez University, El Salam City 43518, Egypt
| | - Yehia H. Dawood
- Geology Department, Faculty of Science, Ain Shams University, Cairo 11566, Egypt
| | - Sahar M. Abd El Bakey
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo 11341, Egypt
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Tracing of Heavy Metals Embedded in Indoor Dust Particles from the Industrial City of Asaluyeh, South of Iran. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19137905. [PMID: 35805563 PMCID: PMC9265302 DOI: 10.3390/ijerph19137905] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 12/22/2022]
Abstract
Assessment of indoor air quality is especially important, since people spend substantial amounts of time indoors, either at home or at work. This study analyzes concentrations of selected heavy metals in 40 indoor dust samples obtained from houses in the highly-industrialized Asaluyeh city, south Iran in spring and summer seasons (20 samples each). Furthermore, the health risk due to exposure to indoor air pollution is investigated for both children and adults, in a city with several oil refineries and petrochemical industries. The chemical analysis revealed that in both seasons the concentrations of heavy metals followed the order of Cr > Ni > Pb > As > Co > Cd. A significant difference was observed in the concentrations of potential toxic elements (PTEs) such as Cr, As and Ni, since the mean (±stdev) summer levels were at 60.2 ± 9.1 mg kg−1, 5.6 ± 2.7 mg kg−1 and 16.4 ± 1.9 mg kg−1, respectively, while the concentrations were significantly lower in spring (17.6 ± 9.7 mg kg−1, 3.0 ± 1.7 mg kg−1 and 13.5 ± 2.4 mg kg−1 for Cr, As and Ni, respectively). Although the hazard index (HI) values, which denote the possibility of non-carcinogenic risk due to exposure to household heavy metals, were generally low for both children and adults (HI < 1), the carcinogenic risks of arsenic and chromium were found to be above the safe limit of 1 × 10−4 for children through the ingestion pathway, indicating a high cancer risk due to household dust in Asaluyeh, especially in summer.
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Abdulraheem MO, Adeniran JA, Ameen HA, Odediran ET, Yusuf MNO, Abdulraheem KA. Source identification and health risk assessments of heavy metals in indoor dusts of Ilorin, North central Nigeria. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2022; 20:315-330. [PMID: 35669800 PMCID: PMC9163253 DOI: 10.1007/s40201-021-00778-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 12/25/2021] [Indexed: 05/06/2023]
Abstract
BACKGROUND AND PURPOSE Exposure to heavy metals (HMs) in indoor dusts is a serious public concern that is linked to a myriad of deleterious health outcomes. The objectives of this study are to estimate the contamination levels of HMs in indoor dusts of different residential areas in Ilorin, Nigeria; identify HMs sources in different residential areas; and evaluate human health risks of HMs in selected residential areas. METHODS Indoor dust sampling was conducted in ten randomly selected from low, medium and high population density residential areas of Ilorin, Nigeria. Ten HMs concentration levels, their health risk implication and the associated potential ecological risks were evaluated. RESULTS The mean concentration levels measured for Fe, Pb, Zn, As, Co, Cr, Cu, Cd, Mn and Ni were 38.99, 5.74, 3.99, 0.08, 2.82, 2.13, 0.47, 0.60, 6.45 and 1.09 mg/kg, respectively. Positive Matrix Factorization (PMF) model was applied to ascertain sources of HMs in sampled indoor dust. Percentage contribution from oil-based cooking (29.82%) and transportation (29.77%) represented the highest source to HM concentrations among the six factors identified. The results of the various pollution indices employed showed that Pb, Zn, As, Co, Cr, Cu, Mn and Ni contributed moderately to HMs concentration levels in the sampled dusts. Cd had highest potential ecological risk factor E r i of between 160 and 320. The average values of Enrichment Factors (EFs) obtained aside from Fe used as the reference metal, ranged between 8.46 (As) and 2521.61(Cd). Health risk assessment results revealed that children are the most susceptible to the risks associated with HMs bound indoor dust than the adults. The percentage risk contributions of Hazard Quotient via ingestion route (HQing) in Hazard Index (HI) for non-cancer risk of indoor HMs were 93.17% and 69.87% in children and adults, respectively. Likewise, the percentage cancer risks contribution through ingestion pathway (CRing) were higher than cancer risks through inhalation and dermal pathways (CRinh and CRdermal), accounting for 99.84% and 97.04% of lifetime cancer risk in children and adults, respectively. The contamination level of Cd recorded is of great concern and signifies very strong contribution from anthropogenic sources. CONCLUSION This study has further revealed the levels of HMs in typical African residential settings that could be used by relevant stakeholders and policy makers in developing lasting control measures. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40201-021-00778-8.
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Affiliation(s)
| | - Jamiu Adetayo Adeniran
- Environmental Engineering Research Laboratory, Department of Chemical Engineering, University of Ilorin, Ilorin, Nigeria
| | - Hafsat Abolore Ameen
- Department of Epidemiology and Community Health, University of Ilorin, Ilorin, Nigeria
| | - Emmanuel Toluwalope Odediran
- Environmental Engineering Research Laboratory, Department of Chemical Engineering, University of Ilorin, Ilorin, Nigeria
| | - Muhammad-Najeeb O. Yusuf
- Environmental Engineering Research Laboratory, Department of Chemical Engineering, University of Ilorin, Ilorin, Nigeria
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Zupančič M, Šušteršič M, Bavec Š, Gosar M. Oral and inhalation bioaccessibility of potentially toxic elements in household dust from former Hg mining district, Idrija, Slovenia. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:3505-3531. [PMID: 33570697 DOI: 10.1007/s10653-021-00835-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/23/2021] [Indexed: 06/12/2023]
Abstract
One of the main sources of potential chronic exposure to potentially toxic elements is household dust, especially in an environment with known point sources of PTE pollution. The literature review clearly shows that the total concentrations of an element in the environment do not provide information to predict its bioavailability. The aim of the present study was to evaluate the oral and inhalation bioaccessibility of PTE present in household dust in the small town of Idrija, the site of the former mercury mine. Unified bioaccessibility method was used to assess oral bioaccessibility of PTE in the stomach and intestine, while inhalation bioaccessibility was assessed by extraction of household dust samples with two synthetic extraction solutions-Gamble's solution (GS) and artificial lysosomal fluid (ALF). A low bioaccessibility of mercury was observed in all synthetic solutions (less than 3%). The highest bioaccessibility of PTE was observed in ALF solution, especially for Zn, Pb and Cd. Only a slightly lower bioaccessibility of these three elements was also observed in the stomach, while the bioaccessibility of other elements in the gastric phase was less than 40%. In general, the bioaccessibility of all elements decreased in the intestine. With the exception of Cr, the lowest bioaccessibility of the elements was observed in GS. Daily ingestion and inhalation doses of PTE from household dust were calculated and their values were below the available recommended or tolerable daily intakes of PTE from food according to the European Food Safety Authority.
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Affiliation(s)
- Marija Zupančič
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000, Ljubljana, Slovenia.
| | | | - Špela Bavec
- Geological Survey of Slovenia, Dimičeva ulica 14, 1000, Ljubljana, Slovenia
| | - Mateja Gosar
- Geological Survey of Slovenia, Dimičeva ulica 14, 1000, Ljubljana, Slovenia
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Liu B, Huang F, Yu Y, Li X, He Y, Gao L, Hu X. Heavy Metals in Indoor Dust Across China: Occurrence, Sources and Health Risk Assessment. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 81:67-76. [PMID: 33944965 DOI: 10.1007/s00244-021-00849-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
In this study, the occurrence of heavy metals including cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), and zinc (Zn) was investigated in indoor dust samples collected from 33 urban and rural areas in 11 provinces, China. The concentrations of the selected heavy metals were determined by an inductively coupled plasma mass spectrometry. The mean concentrations of Zn (166 mg kg-1), Pb (40.7 mg kg-1), Cr (19.8 mg kg-1), Cu (16.9 mg kg-1), and Cd (2.29 mg kg-1) in indoor dust are in low or moderate levels compared with other countries or regions. Cd was significantly enriched with the highest enrichment factor of 23.7, followed by Zn, Pb, Cu, and Cr, which were all lower than 3. The concentrations of Pb from Northern China (61.4 mg kg-1) were significantly higher than those from Southern China (8.88 mg kg-1). The concentrations of heavy metals in indoor dusts from rural areas were higher than those from urban areas except for Cu. The multivariate analysis of variance revealed that wall cover, fuel types, and air conditioning were dominant factors influencing the levels of heavy metals in indoor dust. Principal component analysis showed that outdoor dust and wall paint were main factors for the high concentrations of Cd, Pb, and Cr, accounting for 40.6% of the total contribution; traffic sources contributed to the high levels of Cu and Zn explained 20.6% of the total variance. The hazard indexes of selected heavy metals were less than 1 and carcinogenic risk value of Cr were between 1.01 × 10-6 and 1 × 10-4, indicating minor noncarcinogenic and carcinogenic risks from heavy metals in indoor dust for residents in China. Pb contributed 72.0% and 86.9% to the sum of noncarcinogenic risk values of selected heavy metals for adults and children, respectively. The carcinogenic risk value of Cr was approximately 13-fold higher than that of Cd for both adults and children. Children endured higher risks from heavy metals in indoor dust compared with adults.
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Affiliation(s)
- Baolin Liu
- College of Chemistry, Changchun Normal University, Changchun, 130032, China.
| | - Fei Huang
- Technology Center Laboratory, Jilin Tobacco Industrial Co. Ltd., Changchun, 130031, China
| | - Yong Yu
- Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
| | - Xuedong Li
- College of Geographical Science, Changchun Normal University, Changchun, 130032, China
| | - Yaowei He
- College of Chemistry, Changchun Normal University, Changchun, 130032, China
| | - Lei Gao
- College of Chemistry, Changchun Normal University, Changchun, 130032, China
| | - Xin Hu
- College of Chemistry, Changchun Normal University, Changchun, 130032, China
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Zhao X, Li Z, Wang D, Tao Y, Qiao F, Lei L, Huang J, Ting Z. Characteristics, source apportionment and health risk assessment of heavy metals exposure via household dust from six cities in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:143126. [PMID: 33121772 DOI: 10.1016/j.scitotenv.2020.143126] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 05/22/2023]
Abstract
To investigate the characteristics and health risks of heavy metals in household dust in urban and rural areas during heating and non-heating period in 2016-2017, 762 dust samples and 381 questionnaires from 381 households were collected from Dalian, Taiyuan, Lanzhou, Shanghai, Wuhan, and Chengdu in China. The results indicated that Dalian was the most polluted city, while Shanghai and Chengdu were the least polluted cities during the study period. Longer ventilation times led to higher concentrations of heavy metals, and the weighting of heating duration exceeded that of heating type. Soil was the dominant contributor to household dust for Hg, Ni, Cu, Zn, and As, whereas Pb primarily originated from traffic. The non-carcinogenic and carcinogenic risks associated with heavy metals in household dust were acceptable, with ingestion being the primary exposure route. The risk of adverse health effects caused by heavy metal intake via household dust in urban areas was higher than that in rural areas, and increased during household heating period. Ingestion was the most significant route leading to adverse health effects due to heavy metals in household dust. The exception was the carcinogenic risk associated with Ni, which is known to enter the human body mainly via inhalation.
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Affiliation(s)
- Xiuge Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Zhenglei Li
- Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Danlu Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Yan Tao
- Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Feiyang Qiao
- Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Limin Lei
- Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Ju Huang
- Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhang Ting
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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Jadoon WA, Abdel-Dayem SMMA, Saqib Z, Takeda K, Sakugawa H, Hussain M, Shah GM, Rehman W, Syed JH. Heavy metals in urban dusts from Alexandria and Kafr El-Sheikh, Egypt: implications for human health. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:2007-2018. [PMID: 32862349 DOI: 10.1007/s11356-020-08786-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/06/2020] [Indexed: 04/15/2023]
Abstract
A total of 23 road-dust and 9 house-dust samples were collected from Alexandria and Kafr El-Sheikh cities, Egypt in 2016 to investigate heavy metal (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) contamination, spatial distribution, sources, and health risks. The mean concentrations (mg kg-1) of Cd (road-dust (RD) = 0.33, house-dust (HD) = 0.77), Cu (RD = 80, HD = 141), Pb (RD = 70, HD = 260), and Zn (RD = 169, HD = 771) in Alexandria and Zn (RD = 192, HD = 257) in Kafr El-Sheikh were higher than corresponding background (background refers to generic earth crust shale values given in the literature) levels. Whereas average concentrations (mg kg-1) of Co, Cr, Mn, and Ni (Alexandria: RD = 2.7, 24.3, 251, 14.4; HD = 3.2, 29.2, 237, 25.1 and Kafr El-Sheikh: RD = 6.6, 31.9, 343, 20.2; HD = 8.6, 33.4, 438, 23.2) in both cities were much lower than their background values. Spatially, for most heavy metals, the high concentrations were observed in areas characterized with increased anthropogenic activities, heavy traffic, and high population density. Contamination indices revealed moderate contamination (Cd and Cu) to high contamination (Pb: only house-dust from Alexandria), which posed low (most metals) to moderate ecological risk (Cd and Pb). Correlation analysis and factor analysis classified the studied metals in two groups as: natural input (Co, Cr, Mn, Ni, and Fe) and anthropogenic sources (Cd, Cu, Pb, and Zn). The noncancerous risks posed by studied metals ranged from 0.0001 (Cd) to 0.15 (Pb) and were insignificant. The cancerous risk of Pb (1.4 × 10-4) for children on exposure to house-dust form Alexandria exceeded the guideline values and was considered unacceptable, whereas the cancerous risks of other studied metals were acceptable for both subpopulations. The results of health risk revealed that children are facing higher risk than adults.
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Affiliation(s)
- Waqar Azeem Jadoon
- Department of Environmental Sciences, Hazara University, Mansehra, 21130, Pakistan
- Graduate School of Biosphere Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739-8521, Japan
| | - Sherif Mohamed Mohamed Ali Abdel-Dayem
- Department of Environmental Sciences, Hazara University, Mansehra, 21130, Pakistan
- Department of Pesticides Chemistry and Toxicology, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Zafeer Saqib
- Department of Environmental Sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan
| | - Kazuhiko Takeda
- Graduate School of Biosphere Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739-8521, Japan
| | - Hiroshi Sakugawa
- Graduate School of Biosphere Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739-8521, Japan
| | - Manzoor Hussain
- Department of Botany, Hazara University, Mansehra, 21130, Pakistan
| | - Ghulam Mujtaba Shah
- Department of Environmental Sciences, Hazara University, Mansehra, 21130, Pakistan
- Department of Botany, Hazara University, Mansehra, 21130, Pakistan
| | - Wajid Rehman
- Department of Chemistry, Hazara University, Mansehra, 21130, Pakistan
| | - Jabir Hussain Syed
- Department of Meteorology, COMSATS University, Tarlai Kalan Park Road, Islamabad, 45550, Pakistan.
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Sabouhi M, Ali-Taleshi MS, Bourliva A, Nejadkoorki F, Squizzato S. Insights into the anthropogenic load and occupational health risk of heavy metals in floor dust of selected workplaces in an industrial city of Iran. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 744:140762. [PMID: 32712416 DOI: 10.1016/j.scitotenv.2020.140762] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/30/2020] [Accepted: 07/03/2020] [Indexed: 06/11/2023]
Abstract
The levels of Cd, Cr, Cu, Fe, Mn, Pb and Zn were determined in floor dusts from mechanical (MRWs) and battery repairing workshops (BRWs) in Yazd, Iran. The study aimed to evaluate the anthropogenic contribution to the presence of heavy metals (HMs), the possible sources and the related risks that could arise from occupational exposure in the studied workplace microenvironments. Among the analyzed heavy metals, Cu, Pb and Zn exhibited enhanced concentrations in the floor dusts. The EF calculations showed an extremely severe enrichment of HMs, especially for Cd, Cu and Pb, while floor dusts were characterized as "extremely polluted" with regards to those metals. In any case, both EF and Igeo values were significantly higher in the BRWs. These results were also supported by NIPI and PLI values, while contour maps of PLI values in both MRWs and BRWs outlined workshops in N-NE part of Yazd as more impacted compared to other spatial locations. Principal component analysis (PCA) and Pearson's correlation outscored workshops activities as the principal sources of heavy metals. The health risk assessment suggested considerable non-carcinogenic risks regarding Pb in the BRWs which exhibited HQing (mean 2.91) and HI (mean 3.03) values higher than safe level. Regarding carcinogenic risks, CR values for both Cd and Cr were below the safe level (1.0 × 10-6). The occupational exposure to Pb was evaluated through the predicted BLL values, where with averages of 3.33 μg/dl and 21.4 μg/dl for MRWs and BRWs workers, respectively, indicated a severe Pb exposure for BRWs workers.
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Affiliation(s)
- Morteza Sabouhi
- Department of Environment, Faculty of Natural Resources, Yazd University, Yazd, Iran
| | | | - Anna Bourliva
- Department of Geophysics, School of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
| | - Farhad Nejadkoorki
- Department of Environment, Faculty of Natural Resources, Yazd University, Yazd, Iran
| | - Stefania Squizzato
- Department of Public Health Sciences, University of Rochester, School of Medicine and Dentistry, Rochester, NY 14642, USA
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Gohain M, Deka P. Trace metals in indoor dust from a university campus in Northeast India: implication for health risk. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:741. [PMID: 33128628 DOI: 10.1007/s10661-020-08684-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/15/2020] [Indexed: 05/28/2023]
Abstract
This study reports concentrations of trace metals and the associated health risks in settled dust of different microenvironments of a university in Northeast India. Settled dust samples were collected from the most accessible indoor locations by the students of Tezpur University, a rural-residential university of mid Brahmaputra Valley of Assam. Collected samples were digested in an aqua regia-assisted microwave digestion system and analyzed for iron (Fe), nickel (Ni), zinc (Zn), cadmium (Cd), and lead (Pb) using atomic absorption spectroscopy (AAS). The highest concentration was obtained for Fe with a mean value of 1353.51 ± 123 mg/kg. Cadmium showed the lowest concentration with a mean value of 0.75 ± 0.57 mg/kg. Cadmium was the highly enriched element followed by Pb, Zn, and Ni. The metals mostly fall in the "extremely high enrichment" category. The study revealed that infiltrated soil or street dust, eroding wall paints, and automotive sources were the main contributing sources of the metals. The calculated Hazard Index (HI) value, 0.39, was lower than the acceptable HI value of 1 indicating no significant non-cancer risk to the students from exposure to these heavy metals at present. The study also found no carcinogenic risk on exposure to the metals present in the indoor dust samples.
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Affiliation(s)
- Mayuree Gohain
- Department of Environmental Science, Tezpur University, Napaam, Tezpur, Assam, 784028, India
| | - Pratibha Deka
- Department of Environmental Science, Tezpur University, Napaam, Tezpur, Assam, 784028, India.
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Ikegami A, Ohtsu M, Sahito A, Khan AA, Fatmi Z, Nakagi Y, Yoshida T, Kayama F. Contribution of house dust contamination towards lead exposure among children in Karachi, Pakistan. REVIEWS ON ENVIRONMENTAL HEALTH 2020; 35:271-275. [PMID: 32651990 DOI: 10.1515/reveh-2020-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
Lead exposure is associated with impaired neurodevelopment among children. House dust is recognized as one of the important secondary sources of lead exposure in children. We assessed the relationship between lead contamination in house dust and blood lead level in Pakistani children. We investigated lead contamination in house dust samples collected from 59 houses in Karachi, Pakistan. The lead content of house dust in Pakistan was relatively higher than that reported in previous studies. Weekly lead intakes from house dust were considerably higher among Pakistani children. In Pakistani children, 12% (7 of 58) showed lead intake values greater than the previous Provisional Tolerable Weekly Intake of lead. A correlation (Pearson's correlation = 0.37) was found between weekly lead intake from house dust and blood lead level in Pakistani children. In addition, blood lead levels were significantly higher in children with high lead intakes than in children with low and medium lead intakes. Thus, house dust is an important source of lead exposure in Pakistani children.
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Affiliation(s)
- Akihiko Ikegami
- Department of Environmental and Preventive Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Mayumi Ohtsu
- Department of Environmental and Preventive Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Ambreen Sahito
- Department of Community Health Sciences, Aga Khan University, Karachi, Sindh, Pakistan
- Department of Community Medicine, Isra University, Hyderabad, Sindh, Pakistan
| | - Adeel Ahmed Khan
- Department of Community Health Sciences, Aga Khan University, Karachi, Sindh, Pakistan
| | - Zafar Fatmi
- Department of Community Health Sciences, Aga Khan University, Karachi, Sindh, Pakistan
| | - Yoshihiko Nakagi
- Department of Social Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Takahiko Yoshida
- Department of Social Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Fujio Kayama
- Department of Environmental and Preventive Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
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Doyi INY, Strezov V, Isley CF, Yazdanparast T, Taylor MP. The relevance of particle size distribution and bioaccessibility on human health risk assessment for trace elements measured in indoor dust. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 733:137931. [PMID: 32438193 DOI: 10.1016/j.scitotenv.2020.137931] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/08/2020] [Accepted: 03/12/2020] [Indexed: 06/11/2023]
Abstract
Trace metal contaminants in indoor dust pose a significant potential exposure risk to people because of the time spent indoors and the readily ingested and inhaled fine-grained composition of indoor dusts. However, there is limited trace metal data available on the specific interaction of dust particle size fraction and their respective bioaccessibility/bioavailability and its consequent effect on health risk assessment. This study addresses this knowledge gap by examining bioaccessible and bioavailable trace element concentrations (As, Cr, Cu, Mn, Ni, Pb, Zn) in 152 discrete size fractions from 38 indoor vacuum samples from a larger dataset (n = 376) of indoor dust from Sydney, Australia. Arsenic, Cu, Ni, Pb and Zn were most concentrated in the 90-150 μm fraction with Cr and Mn being more concentrated in < 45 μm fraction. Dust particle size fractions < 45 μm, 45-90 μm, 90-150 μm and 150-250 μm were analysed for their individual gastric phase (G-alone) in vitro trace element bioaccessibilities. Lead exposure risk was estimated using the United States Environmental Protection Agency's Integrated Exposure Uptake Biokinetic (IEUBK) children's model. Mean Pb bioaccessibility was 59.6%, 42%, 62% and 62.2% for < 45 μm, 45-90 μm, 90-150 μm, and 150-250 μm, respectively. Mean Pb absolute bioavailability (ABA) was lower at 26.2%, 18.4%, 27.2% and 27.3% for size fractions < 45 μm, 45-90 μm, 90-150 μm, and 150-250 μm, respectively. The predicted blood Pb (PbB) levels for a hypothetical child aged 1 to 3 years for each of the dust particle size fractions was > 5 μg/dL. Lead concentrations measured in the selected dust samples show a potential for adverse health impacts on young children with the greatest risk being from indoor dust sized 90-150 μm.
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Affiliation(s)
- Israel N Y Doyi
- Department of Earth and Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia.
| | - Vladimir Strezov
- Department of Earth and Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Cynthia F Isley
- Department of Earth and Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Tahereh Yazdanparast
- Department of Earth and Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Mark Patrick Taylor
- Department of Earth and Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia.
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Zhang G, Shao L, Li F, Yang F, Wang J, Jin Z. Bioaccessibility and health risk assessment of Pb and Cd in urban dust in Hangzhou, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:11760-11771. [PMID: 31975000 DOI: 10.1007/s11356-020-07741-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Heavy metals in urban dust can enter the human body through a variety of ways, thus endangering human health. Understanding the bioaccessibility of heavy metals in urban dust is a key to its risk assessment. After the G20 summit in 2016, Hangzhou city has received much attention, including its environmental health risk. The surface dust collected from three different functional areas in Hangzhou were subjected to the in vitro physiologically based extraction test (PBET) to measure the bioaccessibility of Pb and Cd. In terms of spatial variation, the distribution of Pb bioaccessibility was in the order of residential areas > city parks > main roads > the Botanic Garden, while for Cd ordered in city parks > residential areas > main roads > the Botanic Garden. For temporal variation, the bioaccessibility of Pb was higher in autumn and winter, and the bioaccessibility of Cd was higher in spring and autumn. Based on multiple linear statistical analysis, the relationship between the spatial and temporal distribution differences of the bioaccessibility of Pb and Cd in the city and the main components was discussed. Meanwhile, the non-carcinogenic hazard quotients of Pb and the carcinogenic risk of Cd were calculated and showed no harm to human health, except the total Pb in the surface dust with a high non-carcinogenic risk for infants. Urban dust in Hangzhou city has a slight pollution and health risk from Pb. Currently, controlling and reducing the city's Pb emission is the key to maintain Hangzhou city's air quality and matching with its international tourism city.
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Affiliation(s)
- Gaoxiang Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Luze Shao
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Feili Li
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China.
| | - Feng Yang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Jiamin Wang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Zanfang Jin
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
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Health Risk Assessment and Source Apportionment of Mercury, Lead, Cadmium, Selenium, and Manganese in Japanese Women: An Adjunct Study to the Japan Environment and Children's Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17072231. [PMID: 32225001 PMCID: PMC7177228 DOI: 10.3390/ijerph17072231] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 11/17/2022]
Abstract
Toxic element pollution is a serious global health concern that has been attracting considerable research. In this study, we elucidated the major routes of exposure to three toxic elements (mercury, cadmium, and lead) and two essential elements (manganese and selenium) through diet, soil, house dust, and indoor air and assessed the potential health risks from these elements on women from the coastal area of Miyagi prefecture, Japan. Twenty-four-hour duplicate diet, house dust, soil, and indoor air samples were collected from 37 participants. Cd, Pb, Mn, and Se concentrations were measured using inductively coupled plasma mass spectrometry, and Hg concentrations using cold vapor atomic absorption spectrometry. We found that soil and house dust were the primary reservoirs of these elements. Diet contributed most strongly to the daily intake of these elements, with mean values of 0.72, 0.25, 0.054, 47, and 0.94 μg/kg/day for Hg, Cd, Pb, Mn, and Se, respectively. The mean hazard quotient of Hg was 1.53, indicating a high potential health risk from Hg exposure in daily lives. The intakes of other elements were below the tolerable limits. Future studies with a larger sample size are warranted to confirm our findings.
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24
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Hejami AA, Davis M, Prete D, Lu J, Wang S. Heavy metals in indoor settled dusts in Toronto, Canada. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 703:134895. [PMID: 31731154 DOI: 10.1016/j.scitotenv.2019.134895] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/05/2019] [Accepted: 10/07/2019] [Indexed: 05/22/2023]
Abstract
Total concentrations of eight potentially toxic heavy metals (Ba, Cd, Cr, Cu, Mn, Ni, Pb, and Zn) in indoor settled dusts from houses, offices, classrooms, and laboratories in the Greater Toronto Area (GTA), Canada were determined, and the results were compared. The concentrations of these metals were determined through microwave digestion followed by quantification using inductively coupled plasma atomic emission spectroscopy (ICP-AES). The results indicated that the values of heavy metal concentrations in indoor settled dust vary with different indoor environments, with the highest levels found in laboratory dusts (Ba: 152 mg kg-1; Cd: 12 mg kg-1; Cr: 87 mg kg-1; Cu: 411 mg kg-1; Mn: 216 mg kg-1; Ni: 146 mg kg-1; Pb: 86 mg kg-1; Zn: 3571 mg kg-1), while the metal concentrations (except for Mn and Zn) in households, offices, and classroom dusts were lower (0.5-0.67 × the laboratory dust values), and comparable to one another. While all the metals studied show an enrichment factor (EF) greater than one, the EF for Cd, Cu, Pb, and Zn ranged from 15 to 554, indicating significant anthropogenic internal sources of these metals.
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Affiliation(s)
- Ahmed Al Hejami
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada
| | - Matthew Davis
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada
| | - Daniel Prete
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada
| | - Julia Lu
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada.
| | - Shengli Wang
- Department of Chemistry and Biology, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada; Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, Gansu, China
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25
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Yaparla D, Nagendra SMS, Gummadi SN. Characterization and health risk assessment of indoor dust in biomass and LPG-based households of rural Telangana, India. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2019; 69:1438-1451. [PMID: 31557083 DOI: 10.1080/10962247.2019.1668874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/25/2019] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
Indoor dust is one of the key sources contributing to indoor air pollution (IAP) in rural households. It acts as a media for various toxicants like heavy metal depositions and causes severe health risks. The present study deals with investigation of metal concentrations and morphological characteristics of indoor dust generated in varied fuel types followed by estimation of health risks for women and children in rural households in Telangana, India. Indoor floor dust samples were collected from households using biomass and liquefied petroleum gas (LPG) as their cooking energy during winter to evaluate the morphological and chemical characteristics in the aforementioned dust samples. A morphological (SEM-EDX) analysis revealed the presence of carbonaceous particles in biomass-based households and mineral-rich crustal sources in LPG-based households. As observed from ICP-OES analysis, there is a significant difference in mean concentrations of Al, Co, Cr, Fe, Zn, and Ni based on fuel type, except for Mn and Pb. From Pearson's correlation analysis and principal component analysis, it was observed that the biomass households were dominated by Zn, Al, Mn, Cr, and Pb, which could have been contributed from biomass burning deposits, crustal sources, and unpaved roads, while Cr, Pb, Fe, and Mn dominated in LPG households, indicating their origin from leaded paints (Pb and Cr) and crustal sources. The health risks associated with these heavy metals to women and children were investigated using an EPA health risk model. The values from the model indicated that both non-carcinogenic and carcinogenic risks were within the safe levels for both subjects. This study not only establishes chemical and morphological characteristics of indoor dust, but also quantifies the role of fuel type.Implications: The present study provides the latest geographical evidence of chemical and morphological characterization of indoor dust particles in varied fuels; i.e, biomass- and LPG-based households and associated health risk assessment in a sub-tropical rural site in Telangana, India. Nevertheless, further research is essential from various regions across the country for more heavy metal analysis and factors impacting these levels. One of the major limitations of the present study is the analysis of few metals and measurements in only living area locations. Future studies can include soil and road dust, as well as kitchens and bedrooms, to provide more comprehensive analysis of dust compositions in varied environments.
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Affiliation(s)
- Deepthi Yaparla
- Department of Civil Engineering, Environmental and Water Resources Engineering Division, Indian Institute of Technology Madras, Chennai, India
| | - S M Shiva Nagendra
- Department of Civil Engineering, Environmental and Water Resources Engineering Division, Indian Institute of Technology Madras, Chennai, India
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Lu X, Cheng Y, Xiang M, Liu T, Guo Y, Wang F. Size-fractionated particle-bound heavy metals and perfluoroalkyl substances in dust from different indoor air. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36720-36731. [PMID: 31741274 DOI: 10.1007/s11356-019-06559-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 09/23/2019] [Indexed: 04/15/2023]
Abstract
The indoor air quality issue and its potential health problems are attracting increasingly attentions. In this study, micro-orifice uniform deposit impactor (MOUDI) was used to sample suspended particles from four typical indoor environments, including residence, office, cyber classroom, and chemical analysis room. Size-dependent concentrations of perfluoroalkyl substances (PFASs) and heavy metals in suspended particles were analyzed. Then, the International Commission on Radiological Protection deposition model was employed to estimate deposition efficiencies and fluxes of size-fractioned PFASs and heavy metals in the human respiratory tract. Most of the contaminants deposited in head airways, where coarse particles (aerodynamic diameter or Dp > 1.8 μm) contributed the most. By contrast, in the alveolar region fine particles (Dp < 1.8 μm) were dominant. The chronic daily intake through inhalation of PFASs and heavy metals via airborne particles were 10.3-37.5 pg kg-1days-1 and 3.1-25.9 mg kg-1days-1, respectively. The estimated total hazardous quotient of PFASs and heavy metals were 4.4 × 10-5-1.7 × 10-3 and 9.9 × 10-3-1.05 × 10-1, which is far lower than the acceptable threshold of 1. However, the incremental lifetime cancer risk induced by As, Cd, Co, Cr, and Ni were estimated to be 1.11 × 10-5-1.41 × 10-4 in total, which exceeded the acceptable threshold of 10-6. These findings implicate that there were health risks, especially cancer risks caused by heavy metals associated with airborne particles in urban indoor environments.
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Affiliation(s)
- Xingwen Lu
- School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yao Cheng
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Mingdeng Xiang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Tianshi Liu
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Ying Guo
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Fei Wang
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China.
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27
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Engelsman M, Snoek MF, Banks APW, Cantrell P, Wang X, Toms LM, Koppel DJ. Exposure to metals and semivolatile organic compounds in Australian fire stations. ENVIRONMENTAL RESEARCH 2019; 179:108745. [PMID: 31546131 DOI: 10.1016/j.envres.2019.108745] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/22/2019] [Accepted: 09/14/2019] [Indexed: 06/10/2023]
Abstract
Firefighting is an occupation with exposure to a wide range of chemicals by means of inhalation, ingestion or dermal contact. Although advancements in personal protective clothing and equipment have reduced the risks for acute exposure during fire suppression operations, chronic exposure may still be present at elevated levels in fire stations. The aim of this study was to assess chemicals in air and on surfaces in fire stations, compare this with other indoor environments, and use this data to estimate firefighter exposure within the fire station. Fifteen Australian fire stations were selected for chemical exposure assessment by means of 135 active air monitors, 60 passive air monitors, and 918 wipe samples. These samples were collected from the interior and exterior of fire stations, from personal protective clothing and equipment, and from within the cabins of vehicles. Chemicals analysed included polycyclic aromatic hydrocarbons, volatile organic compounds, metals, and diesel particulate matter. Specific chemicals were detected from within each class of chemicals, with metals being most frequently detected. Statistical analysis by means of Pearson's Correlations and threshold tests were used to consider the source of exposure, and a collective addition risk quotient calculation was used to determine firefighter exposure. The presence of metals in fire stations was compared with findings from global indoor dust measurements. Concentrations across firefighter ensemble, inside vehicle cabins, and within fire stations for chromium (39.5-493 μg/m2), lead (46.7-619 μg/m2), copper (594-3440 μg/m2), zinc (11100-20900 μg/m2), nickel (28.6-2469 μg/m2) and manganese (73.0-997 μg/m2) were in most instances orders of magnitude higher when compared with concentrations measured in homes and offices. Our study suggests that the elevated concentrations are associated with the transfer of chemicals from fire suppression operations. Due to this elevated concentration of chemicals, firefighters may face increased exposure, and in turn increased risk of adverse health effects. Data suggest that exposure may be mitigated by means of increased laundering frequency and increased decontamination at the scene of the fire.
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Affiliation(s)
- Michelle Engelsman
- Fire and Rescue NSW, 1 Amarina Avenue, Greenacre, NSW, 2190, Australia; QAEHS, Queensland Alliance for Environmental Health Sciences, The University of Queensland, 20 Cornwall Street, Woolloongabba, Queensland, 4102, Australia.
| | - Milena F Snoek
- Centre for Health Service Development, Australian Health Services Research Institute (AHSRI), Faculty of Business, University of Wollongong, Wollongong, Australia
| | - Andrew P W Banks
- QAEHS, Queensland Alliance for Environmental Health Sciences, The University of Queensland, 20 Cornwall Street, Woolloongabba, Queensland, 4102, Australia
| | - Phillip Cantrell
- SafeWork NSW, Hygiene & Toxicology Team, Hazardous Chemical Facilities & Safety Management Audits, Policy and Regulation Division, Department of Customer Services, Australia
| | - Xianyu Wang
- QAEHS, Queensland Alliance for Environmental Health Sciences, The University of Queensland, 20 Cornwall Street, Woolloongabba, Queensland, 4102, Australia
| | - Leisa-Maree Toms
- School of Public Health and Social Work and Institute of Biomedical Health and Innovation, Faculty of Health, Queensland University of Technology, Kelvin Grove, Australia
| | - Darren J Koppel
- Faculty of Science, University of Technology Sydney, Sydney, NSW, Australia; CSIRO Land and Water, Lucas Heights, NSW, Australia
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28
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Doyi INY, Isley CF, Soltani NS, Taylor MP. Human exposure and risk associated with trace element concentrations in indoor dust from Australian homes. ENVIRONMENT INTERNATIONAL 2019; 133:105125. [PMID: 31634663 DOI: 10.1016/j.envint.2019.105125] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/23/2019] [Accepted: 08/23/2019] [Indexed: 05/22/2023]
Abstract
This study examines residential indoor dust from 224 homes in Sydney, Australia for trace element concentrations measured using portable X-ray Fluorescence (pXRF) and their potential risk of harm. Samples were collected as part of a citizen science program involving public participation via collection and submission of vacuum dust samples for analysis of their As, Cr, Cu, Mn, Ni, Pb and Zn concentrations. The upper 95% confidence level of the mean values for 224 samples (sieved to <250 μm) were 20.2 mg/kg As, 99.8 mg/kg Cr, 298 mg/kg Cu, 247 mg/kg Mn, 56.7 mg/kg Ni, 364 mg/kg Pb and 2437 mg/kg Zn. The spatial patterns and variations of the metals indicate high homogeneity across Sydney, but with noticeably higher Pb values in the older areas of the city. Potential hazard levels were assessed using United States Environmental Protection Agency's (US EPA) carcinogenic, non-carcinogenic and Integrated Exposure Uptake Biokinetic (IEUBK) model human health risk assessment tools for children and adults. US EPA hazard indexes (HI) for Cr and Pb were higher than the safe level of 1.0 for children. HI > 1 suggests potential non-carcinogenic health effects. Carcinogenic risks were estimated for As, Cr and Pb whose carcinogenic slope factors (CSF) were available. Only the risk factor for Cr exceeded the US EPA's carcinogenic threshold (1 × 10-4) for children. Children aged 1-2 years had the highest predicted mean child blood lead (PbB) of 4.6 μg/dL, with 19.2% potentially having PbB exceeding 5 μg/dL and 5.80% exceeding 10 μg/dL. The Cr and Pb levels measured in indoor dust therefore pose potentially significant adverse health risks to children.
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Affiliation(s)
- Israel N Y Doyi
- Department of Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia.
| | - Cynthia Faye Isley
- Department of Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Neda Sharifi Soltani
- Department of Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Mark Patrick Taylor
- Department of Environmental Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW 2109, Australia.
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Arar S, Al-Hunaiti A, Masad MH, Maragkidou A, Wraith D, Hussein T. Elemental Contamination in Indoor Floor Dust and Its Correlation with PAHs, Fungi, and Gram+/- Bacteria. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E3552. [PMID: 31547507 PMCID: PMC6801931 DOI: 10.3390/ijerph16193552] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 09/05/2019] [Accepted: 09/20/2019] [Indexed: 12/11/2022]
Abstract
In this study, we performed elemental analysis for floor dust samples collected in Jordanian microenvironments (dwellings and educational building). We performed intercorrelation and cluster analysis between the elemental, polyaromatic hydrocarbon (PAH), and microorganism concentrations. In general, the educational building workshops had the highest elemental contamination. The age of the dwelling and its occupancy played a role on the elemental contamination level: older and more occupied dwellingshad greater contamination. The elemental contamination at a dwelling entrance was observed to be higher than in the living room. We found exceptionally high concentrations for Fe and Mn in the educational workshop and additionally, Hg, Cr, and Pb concentrations exceeded the limits set by the Canadian Council of Ministers of the Environment. According to the cluster analysis, we found three major groups based on location and contamination. According to the enrichment factor (EF) assessment, Al, Co, Mn, Ti, and Ba had EF < 2 (i.e., minimal enrichment) whereas P, S, Pb, Sb, Mo, Zn, Hg, and Cu had EF > 40 (i.e., extremely enriched). In contrast, Ca and P were geogenically enriched. Furthermore, significant Spearman correlations indicated nine subgroups of elemental contamination combined with PAHs and microbes.
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Affiliation(s)
- Sharif Arar
- Department of Chemistry, School of Science, University of Jordan, Amman 11942, Jordan.
| | - Afnan Al-Hunaiti
- Department of Chemistry, School of Science, University of Jordan, Amman 11942, Jordan.
| | - Mohanad H Masad
- Water, Environment and Arid Region Research Center (WEARRC), Al al-Bayt University, Al-Mafraq 25113, Jordan.
| | - Androniki Maragkidou
- Finnish Meteorological Institute, Atmospheric Dispersion Modelling, P.O. Box 503, FI-00101 Helsinki, Finland.
| | - Darren Wraith
- School of Public Health and Social Work, Queensland University of Technology, Queensland 4000, Australia.
| | - Tareq Hussein
- Department of Physics, The University of Jordan, Amman 11942, Jordan.
- Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, PL 64, FI-00014 Helsinki UHEL, Finland.
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30
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Yadav IC, Devi NL, Singh VK, Li J, Zhang G. Spatial distribution, source analysis, and health risk assessment of heavy metals contamination in house dust and surface soil from four major cities of Nepal. CHEMOSPHERE 2019; 218:1100-1113. [PMID: 30609489 DOI: 10.1016/j.chemosphere.2018.11.202] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 10/23/2018] [Accepted: 11/29/2018] [Indexed: 05/28/2023]
Abstract
Raising population, deteriorating environmental conditions and limiting natural resources to handle the key environmental health problems have critically affected human health and the environment. Policy makers and planners in Nepal are more concerned today than at any other time in the past about the deterioration of the environmental condition. Therefore, understanding the connection between pollution and human wellbeing is fundamental endeavors to control pollution exposures and secure human wellbeing. This ability is especially critical for countries like Nepal where the issues of environmental pollution have customarily taken a second place to request for economic development. In this study, spatial distribution and sources of 12 heavy metals (HMs) were investigated in surface soils (n = 24) and house dust (n = 24) from four major urban areas of Nepal in order to mark the pollution level. Additionally, a health risk was estimated to establish the link between HMs pollution and human health. Results showed that the median concentration of Ag, Cd, Co, Cr, Cu, Ni, Pb, Sb, Mn and Zn in soil and dust were 2-13 times greater than the background value. The As, Zn, Cu, Cd, and Pb showed a relatively higher spatial variability in soil and dust. Zn was the most abundant metal measured in dust and soil and accounted for 59% and 55% of ∑7HMs, respectively. The HMs in soil and dust were poorly correlated with total organic carbon (TOC) and black carbon (BC), suggesting little or no influence on HMs contamination. Source analysis study indicated the distribution of Cr, Ni, Sb, Ag, Pb, Cu, and Zn in soil and dust are mainly affected by anthropogenic sources, particularly traffic emissions, industrial source, and domestic households materials, while Co, Fe, As, Mn and Cd were from natural sources. The estimated carcinogenic risk (CR) of HMs in soil and dust exceeded the acceptable level of human exposure, recommending significant CR to the local population.
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Affiliation(s)
- Ishwar Chandra Yadav
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, PR China; Department of International Environmental and Agricultural Science (IEAS), Tokyo University of Agriculture and Technology (TUAT) 3-5-8, Saiwai-Cho, Fuchu-Shi, Tokyo, 1838509, Japan.
| | - Ningombam Linthoingambi Devi
- Centre for Environmental Sciences, Central University of South Bihar, SH-7, Gaya-Panchanpur, Post-Fatehpur, P.S-Tekari, District-Gaya, 824236, Bihar, India
| | - Vipin Kumar Singh
- Department of Botany, Banaras Hindu University, Varanasi, 221005, UP, India
| | - Jun Li
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, PR China
| | - Gan Zhang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, PR China
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31
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Xiang P, Jia Y, Wang K, Li MY, Qin YS, He RW, Gao P, Liu Y, Liu X, Ma LQ. Water extract of indoor dust induces tight junction disruption in normal human corneal epithelial cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 243:301-307. [PMID: 30189392 DOI: 10.1016/j.envpol.2018.08.085] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/02/2018] [Accepted: 08/24/2018] [Indexed: 06/08/2023]
Abstract
In corneal epithelium, tight junctions play a vital role in its barrier function. Human cornea is highly susceptible to damage by dust. Continued daily exposure to dust has been associated with increased risks of corneal injury. Studies demonstrated that water extract of dust induced cytotoxicity in human corneal epithelial cells (HCECs); however, its effects on corneal epithelial barrier function are unknown. In this study, we determined the concentrations of heavy metals in water extracts of dust, with office dust having higher concentrations of heavy metals than housedust, and Cu and Zn being highest among metals for both dust. Changes in barrier function and its associated mechanism after exposing HCECs to water extracts of dust at 48 μg/100 μ L for 7 d were evaluated. Water extracts of both dust caused decrease of TEER value (39-73%), down-regulation of gene expression related to tight junction and mucin (0.2-0.8 fold), and loss of ZO-1 immunoreactivity from cellular borders, with office dust having greater potential than housedust to disrupt corneal epithelial barrier function. Our data implied the importance to reduce heavy metals in dust to reduce their adverse impacts on human eyes.
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Affiliation(s)
- Ping Xiang
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China
| | - Yue Jia
- School of Medicine, Yunnan University, Kunming, 650091, China
| | - Kun Wang
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China
| | - Meng-Ying Li
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China
| | - Yi-Shu Qin
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China
| | - Rui-Wen He
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210046, China
| | - Peng Gao
- Soil and Water Science Department, University of Florida, Gainesville, FL, 32611, United States
| | - Yungen Liu
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China
| | - Xue Liu
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China.
| | - Lena Q Ma
- Research Center for Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming, 650224, China; Soil and Water Science Department, University of Florida, Gainesville, FL, 32611, United States.
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Zhao D, Wang JY, Tang N, Yin DX, Luo J, Xiang P, Juhasz AL, Li HB, Ma LQ. Coupling bioavailability and stable isotope ratio to discern dietary and non-dietary contribution of metal exposure to residents in mining-impacted areas. ENVIRONMENT INTERNATIONAL 2018; 120:563-571. [PMID: 30172230 DOI: 10.1016/j.envint.2018.08.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/06/2018] [Accepted: 08/08/2018] [Indexed: 05/05/2023]
Abstract
Both dietary and non-dietary pathways contribute to metal exposure in residents living near mining-impacted areas. In this study, bioavailability-based metal intake estimation coupled with stable Pb isotope ratio fingerprinting technique were used to discern dietary (i.e., rice consumption) and non-dietary (i.e., housedust ingestion) contribution to As, Cd, and Pb exposure in residents living near mining-impacted areas. Results showed that not only rice (n = 44; 0.10-0.56, 0.01-1.77, and 0.03-0.88 mg kg-1) but also housedust (n = 44; 2.15-2380, 2.55-329, and 87.0-56,184 mg kg-1) were contaminated with As, Cd, and Pb. Based on in vivo mouse bioassays, bioavailability of As, Cd, and Pb in rice (n = 11; 34 ± 15, 59 ± 13, and 31 ± 15%) were greater than housedust (n = 14; 17 ± 6.7, 46 ± 10, and 25 ± 6.8%). Estimated daily intake of As, Cd, and Pb after incorporating metal bioavailability showed that As intake via rice was 5-fold higher than housedust for adults, whereas As intake via housedust was 3-fold higher than rice for children. For both adults and children, rice was the main source for Cd exposure, while housedust was the predominant Pb contributor. To ascertain the dominant Pb source from housedust ingestion, stable Pb isotope ratios (207Pb/206Pb and 208Pb/206Pb) of hair samples of local residents (n = 27, 0.8481 ± 0.0049 and 2.0904 ± 0.0102) were compared to housedust (n = 27, 0.8485 ± 0.0047 and 2.0885 ± 0.0107) and rice (n = 27, 0.8369 ± 0.0057 and 2.0521 ± 0.0119), showing an overlap between hair and housedust, but not rice, confirming that incidental housedust ingestion was the main source of Pb exposure. This study coupled bioavailability and stable isotope techniques to accurately identify the source of metal exposure as well as their potential health risk.
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Affiliation(s)
- Di Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Jue-Yang Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Ni Tang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Dai-Xia Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Jun Luo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Ping Xiang
- Research Institute of Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming 650224, China
| | - Albert L Juhasz
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - Hong-Bo Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Lena Q Ma
- Research Institute of Soil Contamination and Environment Remediation, Southwest Forestry University, Kunming 650224, China; Soil and Water Science Department, University of Florida, Gainesville, FL 32611, United States.
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Ghanizadeh F, Godini H. A review of the chemical and biological pollutants in indoor air in hospitals and assessing their effects on the health of patients, staff and visitors. REVIEWS ON ENVIRONMENTAL HEALTH 2018; 33:231-245. [PMID: 30074898 DOI: 10.1515/reveh-2018-0011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 06/07/2018] [Indexed: 05/14/2023]
Abstract
Abstract
Indoor air quality in hospitals has been specifically considered in terms of its impact on health. Air quality is an important risk factor influencing the health of staff and patients who are in contact with indoor air inhaled in hospitals. Over the past two decades, hundreds of studies have been developed to assess pollution in hospital environment. Two hundred and fitfy papers from around the world, from the last two decades, were identified and reviewed. Recent studies have found that the presence of various chemical and biological pollutants affected the health of patients, staff and visitors. Nearly all the reports agree that chemical and biological pollutants in the hospital environment have adverse effects. In most of the reviewed papers, analysis of health hazards was conducted for personnel and patients to toxic metals, chlorine, fine (PM2.5) and coarse (PM2.5−10) particles, and bio-aerosol in the inhaled air of the hospital environment. Some papers showed that some of the metals are carcinogens and others do not have a carcinogenic risk. Bio-aerosols as a biological pollutant are usually defined as airborne bacteria, fungi, viruses, pollen and their by products. These biological pollutants are associated with a wide range of health effects in hospital environments. This review can serve as an introduction and as the statement of the problem for more original research in this regard.
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Affiliation(s)
- Fatemeh Ghanizadeh
- Lorestan University of Medical Sciences University, Integrated Higher Education of Health of Doroud, Khorramabad, Iran
| | - Hatam Godini
- Associated Prof, Research Center for Health, Safety and Environment, Alborz University of Medical Sciences, Karaj, Iran
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Iwegbue CMA, Obi G, Emoyan OO, Odali EW, Egobueze FE, Tesi GO, Nwajei GE, Martincigh BS. Characterization of metals in indoor dusts from electronic workshops, cybercafés and offices in southern Nigeria: Implications for on-site human exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 159:342-353. [PMID: 29775830 DOI: 10.1016/j.ecoenv.2018.04.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 04/28/2018] [Accepted: 04/30/2018] [Indexed: 05/28/2023]
Abstract
The levels of Cd, Pb, Cr, Ni, Cu, Co, Ba, Mn, Zn, Al and Fe were evaluated in indoor dusts from electronic workshops, cybercafés and offices in southern Nigeria. The study was aimed at providing information on the distribution patterns, and the associated risks that may arise from exposure of humans to these metals in indoor dusts from the three work environments. The dust samples were digested with aqua-regia and analyzed for the metal concentrations by inductively coupled plasma-atomic emission spectrometry (ICP-AES). The metal concentrations (mg kg-1) in the indoor dusts from these work environments ranged from 0.2 to 20.5 Cd, 0.6-4810 Pb, 8.65-2210 Cr, 1.85-209 Ni, 6.75-2820 Cu, 0.25-19.6 Co, 22.7-597 Mn, 6.65-140 Ba, 43.3-7310 Zn, 1040-16,800 Al and 969-78,300 Fe. The metal distribution patterns in these dust samples followed the order: electronic workshops > cybercafés > offices. The concentrations of Cd, Pb and Cu in significant proportions of the dust samples from the electronic workshops and cybercafés surpassed their respective permissible limits in soils. The health risk assessment suggests considerable non-cancer risks arising from childhood contact with Pb in dust from the electronic workshops while no considerable non-cancer risk is associated with the adult and child exposure to dust from the cybercafés and offices. The results indicated that Cr and Pb are the main elements responsible for the non-carcinogenic risk arising from childhood exposure to electronic workshop dusts. The carcinogenic risk due to exposure of humans to metals in these dust samples were within the range regarded as safe by the USEPA.
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Affiliation(s)
| | - Grace Obi
- Department of Chemistry, Federal University of Petroleum Resources, Efurrun, Delta State, Nigeria
| | - Onoriode O Emoyan
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Delta State, Nigeria
| | - Eze W Odali
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Delta State, Nigeria
| | - Francis E Egobueze
- Environment and Quality Control Department, Nigerian Agip Oil Company, Port Harcourt, Nigeria
| | - Godswill O Tesi
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Delta State, Nigeria
| | - Godwin E Nwajei
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Delta State, Nigeria
| | - Bice S Martincigh
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban 4000, South Africa
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Cheng Z, Chen LJ, Li HH, Lin JQ, Yang ZB, Yang YX, Xu XX, Xian JR, Shao JR, Zhu XM. Characteristics and health risk assessment of heavy metals exposure via household dust from urban area in Chengdu, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 619-620:621-629. [PMID: 29156280 DOI: 10.1016/j.scitotenv.2017.11.144] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/13/2017] [Accepted: 11/13/2017] [Indexed: 05/25/2023]
Abstract
To investigate the characteristics of heavy metals (Cr, Cd, Pb, Zn, Cu and Ni) in household dust in urban household environment of Chengdu, China, 90 household dust samples were collected from 6 districts of the city. The information of houses and residents were also recorded during dust sampling to identify the correlations between heavy metals in household dust and the house attributes. And also the principal component analysis and cluster analysis for sources and impactor factors. The concentrations of Pb (123mg·kg-1), Zn (675mg·kg-1), Cu (190mg·kg-1), Cr (82.7mg·kg-1), Cd (2.37mg·kg-1) and Ni (52.6mg·kg-1) in household dust are in low or moderate levels when compare with that from other counties or areas. The heavy metals of household dust samples from Chengdu is higher concentrations than that in the street dust from Chengdu, except for Cr. Statistical analysis result showed traffic sources and corrosion of alloys are important factors contributing to the rise concentrations of heavy metals in household dust. In addition, there is negative correlation (p<0.05) between the heavy metals concentrations and floor levels. The ingestion is the important pathway for Pb, Zn, Cu and Ni via household dust exposure to the residents, and the dermal contact was identified as a main route for Cr and Cd in household dust exposure to the residents. There are minor non-carcinogenic and carcinogenic risks from the heavy metals in household dust for the residents in Chengdu.
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Affiliation(s)
- Zhang Cheng
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China.
| | - Liu-Jun Chen
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Han-Han Li
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Jian-Qing Lin
- Department of Environmental Engineering, College of Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Zhan-Biao Yang
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuan-Xiang Yang
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiao-Xun Xu
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun-Ren Xian
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China
| | - Ji-Rong Shao
- School of Life Sciences, Sichuan Agricultural University, Yaan 625014, China
| | - Xue-Mei Zhu
- College of Environment, Sichuan Agricultural University, Chengdu 611130, China.
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Content of Heavy Metal in the Dust of Leisure Squares and Its Health Risk Assessment-A Case Study of Yanta District in Xi'an. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15030394. [PMID: 29495319 PMCID: PMC5876939 DOI: 10.3390/ijerph15030394] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/03/2018] [Accepted: 02/14/2018] [Indexed: 11/17/2022]
Abstract
Taking Yanta District in Xi'an as the research object, the present study measures the contents of Cadmium (Cd), Lead (Pb), Copper (Cu), Nickel (Ni), and Chromium (Cr) in dust samples and further assesses the health risk of heavy metals intake through dust based on the assessment method of human exposure risk proposed by U.S. EPA, with an aim to investigate the content of heavy metal in the dust of leisure squares and its exposure risk. As the results indicate, the average contents of five heavy metals are obviously higher than the soil background value in Shaanxi Province. Therefore, Cd, Ni, Cu, Pb, and Cr are obviously enriched in urban surface dust in Shaanxi Province, due to the influence of human activities. In addition, it can also be found that the non-carcinogen exposure risk in children is significantly higher than that in adults with the risk values of these five heavy metals all one order of magnitude higher than those of adults. Irrespective of whether addressing the results for children or adults, the non-carcinogen exposure doses of five heavy metals are sorted as Cr > Pb > Cu > Ni > Cd. According to the present situation, for a child, the total non-carcinogenic risk values of five heavy metals have exceeded the safety limit in 11 of the 20 leisure squares in Yanta District of Xi'an. That means the leisure squares are no longer suitable for physical and recreational activities. For the five heavy metals, the average non-carcinogenic risk value of Cr is largest, and causes the largest threat to health in Yanta District, Xi'an. The carcinogenic exposure doses of the heavy metals Cr, Cd, and Ni are very low in respiratory pathways and there is no carcinogenic health risk. In general, the Cr content in dust in domestic cities is higher than that of foreign cities; however, the Pb content is much lower.
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Plumejeaud S, Reis AP, Tassistro V, Patinha C, Noack Y, Orsière T. Potentially harmful elements in house dust from Estarreja, Portugal: characterization and genotoxicity of the bioaccessible fraction. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:127-144. [PMID: 27771821 DOI: 10.1007/s10653-016-9888-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
Due to their behavioral characteristics, young children are vulnerable to the ingestion of indoor dust, often contaminated with chemicals that are potentially harmful. Exposure to potentially harmful elements (PHEs) is currently exacerbated by their widespread use in several industrial, agricultural, domestic and technological applications. PHEs cause adverse health effects on immune and nervous systems and can lead to cancer development via genotoxic mechanisms. The present study is an integrated approach that aims at assessing the genotoxicity of bioaccessible PHEs following ingestion of contaminated house dust. A multidisciplinary methodology associating chemical characterization of five house dust samples, extraction of the bioaccessible PHEs in gastric extracts by the unified BARGE method, determination of the bioaccessible fraction and in vitro genotoxicity of gastric extracts in adenocarcinoma gastric human (AGS) cells was developed. The five gastric extracts induced dose-dependent genotoxicity in AGS cells. Copper (bioaccessible concentration up to 111 mg/kg) was probably the prevalent PHE inducing primary DNA damage (up to 5.1-fold increase in tail DNA at 0.53 g/l of gastric extract). Lead (bioaccessible concentration up to 245 mg/kg) was the most prevalent PHE inducing chromosome-damaging effects (r = 0.55; p < 0.001 for micronucleated cells induction). The association of principal component analysis and Spearman's correlations was decisive to understand the chromosome-damaging properties of the bioaccessible PHEs in AGS cells. This methodology could be used on a larger-scale study to provide useful information for science-based decision-making in regulatory policies, and a better estimation of human exposure and associated health risks.
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Affiliation(s)
- Sophie Plumejeaud
- Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille Université, CNRS, IRD, Avignon Université, Faculté de Médecine Timone, 27 Bd Jean Moulin, 13005, Marseille, France
| | - Amelia Paula Reis
- GEOBIOTEC, Departmento de Geociências, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Virginie Tassistro
- Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille Université, CNRS, IRD, Avignon Université, Faculté de Médecine Timone, 27 Bd Jean Moulin, 13005, Marseille, France
| | - Carla Patinha
- GEOBIOTEC, Departmento de Geociências, Universidade de Aveiro, Campus Universitario de Santiago, 3810-193, Aveiro, Portugal
| | - Yves Noack
- Aix Marseille Université, CNRS, CEREGE UM34, 13545, Aix-en-Provence, France
| | - Thierry Orsière
- Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille Université, CNRS, IRD, Avignon Université, Faculté de Médecine Timone, 27 Bd Jean Moulin, 13005, Marseille, France.
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Kim J, Chan Hong S, Bae GN, Jung JH. Electrospun Magnetic Nanoparticle-Decorated Nanofiber Filter and Its Applications to High-Efficiency Air Filtration. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:11967-11975. [PMID: 28945076 DOI: 10.1021/acs.est.7b02884] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Filtration technology has been widely studied due to concerns about exposure to airborne dust, including metal oxide nanoparticles, which cause serious health problems. The aim of these studies has been to develop mechanisms for the continuous and efficient removal of metal oxide dusts. In this study, we introduce a novel air filtration system based on the magnetic attraction force. The filtration system is composed of a magnetic nanoparticle (MNP)-decorated nanofiber (MNP-NF) filter. Using a simple electrospinning system, we fabricated continuous and smooth electrospun nanofibers with evenly distributed Fe3O4 MNPs. Our electrospun MNP-NF filter exhibited high particle collection efficiency (∼97% at 300 nm particle size) compared to the control filter (w/o MNPs, ∼ 68%), with a ∼ 64% lower pressure drop (∼17 Pa) than the control filter (∼27 Pa). Finally, the filter quality factors of the MNP-NF filter were 4.7 and 11.9 times larger than those of the control filter and the conventional high-efficiency particulate air filters (>99% and ∼269 Pa), respectively. Furthermore, we successfully performed a field test of our MNP-NF filter using dust from a subway station tunnel. This work suggests that our novel MNP-NF filter can be used to facilitate effective protection against hazardous metal oxide dust in real environments.
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Affiliation(s)
- Juyoung Kim
- Center for Environment, Health, and Welfare Research, Korea Institute of Science and Technology (KIST) , Seoul 02792, Republic of Korea
- Department of Chemical Engineering, University of Seoul , Seoul 02504, Republic of Korea
| | - Seung Chan Hong
- Department of Mechanical and Aerospace Engineering, Seoul National University , Seoul 08826, Republic of Korea
| | - Gwi Nam Bae
- Center for Environment, Health, and Welfare Research, Korea Institute of Science and Technology (KIST) , Seoul 02792, Republic of Korea
| | - Jae Hee Jung
- Center for Environment, Health, and Welfare Research, Korea Institute of Science and Technology (KIST) , Seoul 02792, Republic of Korea
- Division of Energy & Environment Technology, KIST School, Korea University of Science and Technology , Seoul 02792, Republic of Korea
- Green School, Korea University , Seoul 02841, Republic of Korea
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Lanzerstorfer C. Variations in the composition of house dust by particle size. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2017; 52:770-777. [PMID: 28394695 DOI: 10.1080/10934529.2017.1303316] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
In this study, the distribution of heavy metals and other components in the various size fractions of house dust is investigated. A house dust sample collected from a vacuum cleaner was separated into size fractions by sieving and air classification. The analysis of the size fractions showed that the heavy metals and other components are not uniformly distributed in the various size fractions. The highest total carbon concentrations were found in the size fractions with a mass median diameter of 18-95 µm, while in the coarser size fractions and in the finest size fraction, the total carbon concentration was lower. In contrast, for many heavy metals and other metals (Al, Fe, Ca, S, Mn, Ti, Ba, Sr, As, Co, and V), the maximum concentrations were found in the finest size fraction. With increasing size of the dust fractions, the concentrations decreased. For several of these components, the dependence of the concentration on the particle size can be approximately assessed well using a power function. The distribution of Zn, Cu, Mg and Na was different. While the concentration of Na and Mg was higher in the coarser size fractions, no distinct trend was found for the concentrations of Cu and Zn.
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Affiliation(s)
- Christof Lanzerstorfer
- a School of Engineering/Environmental Sciences , University of Applied Sciences Upper Austria , Wels , Austria
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40
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Iwegbue CMA, Oliseyenum EC, Martincigh BS. Spatio-temporal distribution of metals in household dust from rural, semi-urban and urban environments in the Niger Delta, Nigeria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:14040-14059. [PMID: 28409430 DOI: 10.1007/s11356-017-8609-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 02/07/2017] [Indexed: 06/07/2023]
Abstract
Concentrations of metals in household dust samples from rural, semi-urban and urban zones of the Niger Delta in Nigeria were measured during both 2009 and 2014 with the aim of providing information on changes in the concentrations, distribution patterns, sources and risks of metals in these zones. The concentrations of metals in the dust samples were quantified by using inductively coupled plasma atomic emission spectrophotometry (ICP-AES) after digestion with aqua regia. The measured concentrations (mg kg-1) of metals in the three zones within the study periods were as follows: <LOQ-21.2; <LOQ-182; 7.90-265; <LOQ-117; <LOQ-471; 3.37-2310; 0.35-7.9; 4.25-365; 6.78-61,600; 219-37,700; and 1180-18,000 for Cd, Pb, Ba, Cr, Ni, Cu, Co, Mn, Zn, Fe and Al, respectively. The results from the two periods indicate significant changes in the concentrations, distribution patterns and risk factors which reflects a deterioration of the quality of the household environment over this time span. The hazard index (HI) values calculated for children were greater than 1 indicating significant non-cancer risks for these subjects in these areas. The HI values for adults were less than 1 and consequently do not pose a significant risk. The carcinogenic risk levels for exposure to metals for both adults and children in these zones were below the range specified as safe by the US EPA (×10-6 and ×10-4) thereby indicating a low cancer risk. The sources of metals in household dust from these zones include emissions from industries, traffic, artisanal workshops and releases from household furniture, metal-based fittings, metal roofing and pesticides.
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Affiliation(s)
| | - Ejiro C Oliseyenum
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Nigeria
| | - Bice S Martincigh
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban, 4000, South Africa
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Torres-Sánchez R, de la Campa AMS, Beltrán M, Sánchez-Rodas D, de la Rosa JD. Geochemical anomalies of household dust in an industrialized city (Huelva, SW Spain). THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 587-588:473-481. [PMID: 28256313 DOI: 10.1016/j.scitotenv.2017.02.167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 12/28/2016] [Accepted: 02/20/2017] [Indexed: 06/06/2023]
Abstract
Geochemical anomalies of sulphide like elements (Cu, As and Cd) derived from the industrial activity have been identified in household dust of Huelva (SW Spain) using geochemical maps. Major and trace elements were analysed by ICP-OES and ICP-MS, respectively. Electron images of single particles were analysed by SEM-EDS in order to know their size, shape and composition. The geochemistry of the household dust has been compared to anomalies in deposition particles, PM10 and soils. A zonation has been observed: the eastern part of the city displays higher concentrations of sulphide like elements than the western part, supporting the origin of these elements related to the vicinity of industrial estates (Cu-smelter processes). Other domestic sources (e.g. wall painting) did not contain any geochemical anomalies related to sulphide like elements in household dust. Principal Component Analysis (PCA) was applied for grouping elements with similar sources, and reinforced the identification of a major industrial source in the eastern part. In this context, geochemical composition of household dust is considered as a fingerprint in order to identify industrial sources in the indoor air quality of Huelva.
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Affiliation(s)
- Raquel Torres-Sánchez
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Center for Research in Sustainable Chemistry -CIQSO, University of Huelva, Campus de El Carmen s/n, E-21071 Huelva, Spain..
| | - Ana María Sánchez de la Campa
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Center for Research in Sustainable Chemistry -CIQSO, University of Huelva, Campus de El Carmen s/n, E-21071 Huelva, Spain
| | - María Beltrán
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Center for Research in Sustainable Chemistry -CIQSO, University of Huelva, Campus de El Carmen s/n, E-21071 Huelva, Spain
| | - Daniel Sánchez-Rodas
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Center for Research in Sustainable Chemistry -CIQSO, University of Huelva, Campus de El Carmen s/n, E-21071 Huelva, Spain
| | - Jesús D de la Rosa
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Center for Research in Sustainable Chemistry -CIQSO, University of Huelva, Campus de El Carmen s/n, E-21071 Huelva, Spain.; Agrifood Campus of International Excellence CEIA3, Spain; Campus of International Excellence of the Sea CEIMAR, Spain
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Bavec Š, Gosar M, Miler M, Biester H. Geochemical investigation of potentially harmful elements in household dust from a mercury-contaminated site, the town of Idrija (Slovenia). ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2017; 39:443-465. [PMID: 27056363 DOI: 10.1007/s10653-016-9819-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 03/18/2016] [Indexed: 06/05/2023]
Abstract
A comprehensive geochemical investigation of potentially harmful elements (PHEs) in household dust from the town of Idrija (Slovenia), once a world-famous Hg mining town that is now seriously polluted, was performed for the first time. After aqua regia digestion, the content of mercury (Hg), arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), molybdenum (Mo), nickel (Ni), lead (Pb) and zinc (Zn) was measured. PHE-bearing particles were recognised and observed by scanning electron microscopy and energy-dispersive spectrometry before and after exposure to simulated stomach acid (SSA). Mercury binding forms were identified by Hg thermal desorption technique and gastric bioaccessible Hg was estimated after SSA extraction by ICP-MS. With regard to rural and urban background values for Slovenia, high Hg content (6-120 mg/kg) and slightly elevated As content (1-13 mg/kg) were found. Mercury pollution is a result of past mining and ore processing activities. Arsenic content is potentially associated with As enrichment in local soils. Four Hg binding forms were identified: all samples contained Hg bound to the dust matrix, 14 samples contained cinnabar, two samples contained metallic Hg (Hg0), and one sample assumingly contained mercury oxide. After exposure to SSA, Hg-bearing phases showed no signs of dissolution, while other PHE-bearing phases were significantly morphologically and/or chemically altered. Estimated gastric Hg bioaccessibility was low (<0.006-0.09 %), which is in accordance with identified Hg binding forms and high organic carbon content (15.9-31.5 %) in the dust samples.
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Affiliation(s)
- Špela Bavec
- Geological Survey of Slovenia, Dimičeva ulica 14, 1000, Ljubljana, Slovenia.
| | - Mateja Gosar
- Geological Survey of Slovenia, Dimičeva ulica 14, 1000, Ljubljana, Slovenia
| | - Miloš Miler
- Geological Survey of Slovenia, Dimičeva ulica 14, 1000, Ljubljana, Slovenia
| | - Harald Biester
- Technical University Braunschweig, 38106, Brunswick, Germany
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He CT, Zheng XB, Yan X, Zheng J, Wang MH, Tan X, Qiao L, Chen SJ, Yang ZY, Mai BX. Organic contaminants and heavy metals in indoor dust from e-waste recycling, rural, and urban areas in South China: Spatial characteristics and implications for human exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 140:109-115. [PMID: 28254720 DOI: 10.1016/j.ecoenv.2017.02.041] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/23/2017] [Accepted: 02/24/2017] [Indexed: 05/21/2023]
Abstract
The concentrations of several organic contaminants (OCs) and heavy metals were measured in indoor dust from e-waste recycling, rural, and urban areas in South China to illustrate the spatial characteristics of these pollutants and to further evaluate human exposure risks. The median concentrations of polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE), and dechlorane plus (DPs) were 38.6-3560, 2360-30,100, 665-2720, and 19.5-1860ng/g, while the median concentrations of Cd, Pb, Cu, Cr, and Zn were 2.46-40.4, 206-1380, 217- 1200, 25.3-134, and 176-212μg/g in indoor dust. The levels of all pollutants, except Zn, in dust from the e-waste recycling area were significantly higher than those from the other areas. Cd, Pb, and most OCs exhibited similar pollution patterns in the three areas, indicating that e-waste recycling activities are the major pollution source. In contrast, Cu, Cr, Zn, and penta-BDE are likely derived from household products in the rural and urban areas. The highest estimated daily intakes (EDIs) of PCBs, PBDEs, DBDPE, and DPs were 0.15-163, 3.97-1470, 1.26-169, and 0.11-134ng/kg bw/day for toddlers and adults. The highest EDIs of BDE 209 and Pb in toddlers in the e-waste recycling area were 16% and 18 times higher than the reference doses, indicating the high exposure risk of these pollutants in the e-waste recycling area.
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Affiliation(s)
- Chun-Tao He
- Laboratory for Biocontrol, School of Life Sciences, Sunat-sen University, Guangzhou 510275, China; State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China
| | - Xiao-Bo Zheng
- College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Xiao Yan
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China
| | - Jing Zheng
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China.
| | - Mei-Huan Wang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China
| | - Xiao Tan
- Laboratory for Biocontrol, School of Life Sciences, Sunat-sen University, Guangzhou 510275, China
| | - Lin Qiao
- Laboratory for Biocontrol, School of Life Sciences, Sunat-sen University, Guangzhou 510275, China; State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China
| | - She-Jun Chen
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Zhong-Yi Yang
- Laboratory for Biocontrol, School of Life Sciences, Sunat-sen University, Guangzhou 510275, China.
| | - Bi-Xian Mai
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
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Hernández-Pellón A, Fernández-Olmo I, Ledoux F, Courcot L, Courcot D. Characterization of manganese-bearing particles in the vicinities of a manganese alloy plant. CHEMOSPHERE 2017; 175:411-424. [PMID: 28237517 DOI: 10.1016/j.chemosphere.2017.02.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 05/12/2023]
Abstract
Numerous studies have associated air manganese (Mn) exposure with negative health effects, primarily neurotoxic disorders. Despite there is not a specific European regulation, institutions such as the World Health Organization (WHO) have proposed an annual average guideline value of 150 ng/m3. Bioaccessibility and toxicity mechanisms of Mn remain unclear, however it is generally agreed that adverse health effects are strongly linked to particle size and morphology, chemical composition and oxidation state. This study aims to deepen the understanding of the physico-chemical characteristics of PM10 and deposition samples collected in an urban area in the proximities of a ferromanganese alloy plant. Total Mn content was determined by ICP-MS after a microwave-assisted acid digestion. The size, morphology and chemical composition of individual particles were studied by SEM-EDX. XRD was used to identify the major crystalline phases. Most of the particles observed by SEM-EDX contain Mn. 60% of Mn-PM10 particles were spheres of small size and were attributed to condensation processes at the smelting unit. Mn-bearing particles present in deposition were characterized by irregular shapes and bigger sizes, most of them consisting of SiMn slags and Mn ores and alloys, and attributed to diffuse emissions from raw material and product handling and processing. Due to the differences in the characteristics of Mn-bearing particles found in the different matrices, further studies on the potential toxicity and health effects of these particles should be done, especially in relation with the small and spherical particles present in PM10, which are expected to be more problematic.
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Affiliation(s)
- Ana Hernández-Pellón
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain.
| | - Ignacio Fernández-Olmo
- Dpto. de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Cantabria, Spain
| | - Frédéric Ledoux
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, EA4492), Université du Littoral Côte d'Opale, 145 avenue Maurice Schumann, 59140 Dunkerque, France
| | - Lucie Courcot
- Laboratoire d'Océanologie et de Géosciences (LOG, CNRS UMR8187), Université du Littoral Côte d'Opale, Wimereux, France
| | - Dominique Courcot
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, EA4492), Université du Littoral Côte d'Opale, 145 avenue Maurice Schumann, 59140 Dunkerque, France
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Zhang Y, Cao S, Xu X, Qiu J, Chen M, Wang D, Guan D, Wang C, Wang X, Dong B, Huang H, Zhao N, Jin L, Bai Y, Duan X, Liu Q, Zhang Y. Metals compositions of indoor PM2.5, health risk assessment, and birth outcomes in Lanzhou, China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2016; 188:325. [PMID: 27147238 DOI: 10.1007/s10661-016-5319-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 04/21/2016] [Indexed: 05/27/2023]
Abstract
The study aimed to investigate the metal compositions in indoor PM2.5 and the potential health risks they pose to residents of an urban area in China. A total of 41 and 54 households were surveyed in February and September 2013, respectively. The results showed that the indoor concentrations of metals varied depending on the types of cooking fuels used. All measured concentrations of metals were highest among households using coal for cooking. In the majority of households, non-carcinogenic risks were posed by the use of coal. The carcinogenic risks posed by chromium (VI) and arsenic were generally higher among households using coal for cooking than among those using gas or electricity. The multivariate linear regression model suggested a potential adverse effect from arsenic and cadmium on birth weight and gestational weeks. This study also found that cooking fuel was the most significant factor that contributed to the differences in concentrations of metals in indoor PM2.5 and highlighted the importance of using clean energy for cooking and heating.
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Affiliation(s)
- Yaqun Zhang
- School of Civil Engineering and Mechanics, Lanzhou University, 222 South Tianshui Road, Chengguan District, Lanzhou, Gansu, 730000, China
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
- Department of Environmental Health Sciences, Yale School of Public Health, LEPH 440, 60 College street, New Haven, CT, 06510, USA
| | - Suzhen Cao
- Department of Environmental Pollution and Health, Chinese Research Academy of Environmental Sciences, Ministry of Environmental Protection of the People's Republic of China, 8 Dayangfang Beiyuan Road, Chaoyang District, Beijing, 100012, China
| | - Xiaoying Xu
- Gansu Provincial Maternity and Child-care Hospital, 143 North Qilihe Street, Qilihe District, Lanzhou, Gansu, 730050, China
| | - Jie Qiu
- Gansu Provincial Maternity and Child-care Hospital, 143 North Qilihe Street, Qilihe District, Lanzhou, Gansu, 730050, China
| | - Mingxia Chen
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
| | - Dennis Wang
- Department of Environmental Health Sciences, Yale School of Public Health, LEPH 440, 60 College street, New Haven, CT, 06510, USA
| | - Donghong Guan
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
| | - Chengyuan Wang
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
| | - Xiao Wang
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
| | - Bowen Dong
- Gansu Academy of Environmental Sciences, 225 Yanerwan Road, Chengguan District, Lanzhou, Gansu, 730020, China
| | - Huang Huang
- Department of Environmental Health Sciences, Yale School of Public Health, LEPH 440, 60 College street, New Haven, CT, 06510, USA
| | - Nan Zhao
- Department of Environmental Health Sciences, Yale School of Public Health, LEPH 440, 60 College street, New Haven, CT, 06510, USA
| | - Lan Jin
- Yale School of Forestry and Environmental Studies, 195 Prospect Street, New Haven, CT, 06511, USA
| | - Yana Bai
- School of Civil Engineering and Mechanics, Lanzhou University, 222 South Tianshui Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Xiaoli Duan
- Department of Environmental Pollution and Health, Chinese Research Academy of Environmental Sciences, Ministry of Environmental Protection of the People's Republic of China, 8 Dayangfang Beiyuan Road, Chaoyang District, Beijing, 100012, China
| | - Qing Liu
- Gansu Provincial Maternity and Child-care Hospital, 143 North Qilihe Street, Qilihe District, Lanzhou, Gansu, 730050, China.
| | - Yawei Zhang
- Department of Environmental Health Sciences, Yale School of Public Health, LEPH 440, 60 College street, New Haven, CT, 06510, USA.
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Neisi A, Goudarzi G, Akbar Babaei A, Vosoughi M, Hashemzadeh H, Naimabadi A, Mohammadi MJ, Hashemzadeh B. Study of heavy metal levels in indoor dust and their health risk assessment in children of Ahvaz city, Iran. TOXIN REV 2016. [DOI: 10.1080/15569543.2016.1181656] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Li Y, Pi L, Hu W, Chen M, Luo Y, Li Z, Su S, Gan Z, Ding S. Concentrations and health risk assessment of metal(loid)s in indoor dust from two typical cities of China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:9082-9092. [PMID: 26832866 DOI: 10.1007/s11356-016-6045-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 01/04/2016] [Indexed: 06/05/2023]
Abstract
Eleven trace metal(loid)s were determined in the household dust samples from Chengdu and Tianjin, China, and related human exposure and health risk to metal(loid)s via indoor dust intake were evaluated. The trace metal(loid)s were found to be highly concentrated and polluted in the indoor environment of Chengdu and Tianjin, especially for Cu, Zn, Cd, Sb, and Pb, of which the enrichment factors exceeding 5. Metal(loid) levels in the indoor dust samples exhibited no statistical differences between the two cities, with the exception of Sb, which was detected higher in the Chengdu samples. Bioaccessibilities in stomach phase of each element were estimated, Cd, Pb, and Sr exhibited higher bioaccessibility, and Sb showed the lowest bioaccessibility in both Chengdu and Tianjin. Dust ingestion was the main metal(loid) exposure pathway for Chengdu and Tianjin inhabitants, followed by dermal contact, dust inhalation accounted for less than 1 % of the total daily metal(loid) intakes and thus could be negligible. Children suffered more risk when exposure to metal(loid)s via indoor dust intake due to their higher frequency of hand to mouth activities. Risk evaluation indicated that, for most Chengdu and Tianjin inhabitants, there is little non-cancer and carcinogen risk when exposure to indoor dust. However, there is a potential non-cancer and carcinogen risk for children and adults in Chengdu, in the case of highly exposed scenario based on the current study.
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Affiliation(s)
- Yiwen Li
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Lu Pi
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Wenli Hu
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Mengqin Chen
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Yan Luo
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Zhi Li
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Shijun Su
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Zhiwei Gan
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
| | - Sanglan Ding
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
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Lin Y, Fang F, Wang F, Xu M. Pollution distribution and health risk assessment of heavy metals in indoor dust in Anhui rural, China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:565. [PMID: 26260049 DOI: 10.1007/s10661-015-4763-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 07/20/2015] [Indexed: 05/28/2023]
Abstract
Zn, Pb, Cu, Cr, V, Ni, Co, and As concentrations of indoor dust in Anhui rural were determined by inductively coupled plasma-optical emission spectroscopy (ICP-OES). The degrees of metal pollution in indoor dust ranked as follows: Zn > Pb > Cr > Cu > V > Ni > Co > As, on average. The arithmetic means of Zn, Pb, Cu, Cr, V, Ni, Co, and As were 427.17, 348.73, 107.05, 113.68, 52.64, 38.93, 10.29, and 4.46 mg/kg, respectively. These were higher than background values of Anhui soil for Zn, Pb, Cu, Cr, and Ni, especially for Pb with the mean value of 13.21 times the background value. Heavy metal concentrations of indoor dust were different from different rural areas. House type (bungalows or storied house), sweeping frequency, and external environment around the house (such as the road grade) affected heavy metal concentrations in indoor dust. The results of factor analysis and correlation analysis indicated that Cu, Cr, Ni, Zn, and Co concentrations were mainly due to interior paint, metal objects, and building materials. Pb and As concentrations were due to vehicle emissions. V concentration was mainly of natural source. Average daily doses for the exposure pathway of the studied heavy metals decreased in children in the following order: hand-to-mouth ingestion > dermal contact > inhalation. The non-carcinogenic risks of heavy metals ranked as Pb > V > Cr > Cu > Zn > As > Co > Ni, and the carcinogenic risks of metals decreased in the order of Cr > Co > As > Ni. The non-carcinogenic hazard indexes and carcinogenic risks of metals in indoor dust were both lower than the safe values.
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Affiliation(s)
- Yuesheng Lin
- College of Live Sciences, Anhui Normal University, Wuhu, 241000, China
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Reis AP, Costa S, Santos I, Patinha C, Noack Y, Wragg J, Cave M, Sousa AJ. Investigating relationships between biomarkers of exposure and environmental copper and manganese levels in house dusts from a Portuguese industrial city. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2015; 37:725-744. [PMID: 26055455 DOI: 10.1007/s10653-015-9724-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 05/29/2015] [Indexed: 06/04/2023]
Abstract
This study reports on data obtained from a pilot survey focusing on house dust and toenail metal(loids) concentrations in residents living in the industrial city of Estarreja. The study design hereby described aims at investigating relationships between human toenails and both copper and manganese levels in settled house dusts. A total of 21 households and 30 individuals were recruited for the pilot study: 19 households corresponding to 27 residents living near the industrial complex, forming the exposed group, plus 2 households and 3 residents from residential areas with no anticipated environmental contaminants that were used for comparison. Factorial analysis was used for source identification purposes. Investigation on the potential influence of environmental factors over copper and manganese levels in the toenails was carried out via questionnaire data and multiple correspondence analysis. The results show that copper concentrations are more elevated in the indoor dusts, while manganese concentrations are more elevated in the outdoor dust samples. The geometrical relationships in the datasets suggest that the backyard soil is a probable source of manganese to the indoor dust. Copper and manganese contents in the toenail clippings are more elevated in children than in adults, but the difference between the two age groups is not statistically significant (p > 0.05). Investigation of environmental factors influencing the exposure-biomarker association indicates a probable relationship between manganese contents in indoor dust and manganese levels in toenail clippings, a result that is partially supported by the bioaccessibility estimates. However, for copper, no relationship was found between indoor dusts and the biomarkers of exposure.
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Affiliation(s)
- A P Reis
- GEOBIOTEC, Departmento de Geociências, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal,
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50
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Yang YY, Liu LY, Guo LL, Lv YL, Zhang GM, Lei J, Liu WT, Xiong YY, Wen HM. Seasonal concentrations, contamination levels, and health risk assessment of arsenic and heavy metals in the suspended particulate matter from an urban household environment in a metropolitan city, Beijing, China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:409. [PMID: 26048587 DOI: 10.1007/s10661-015-4611-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 05/19/2015] [Indexed: 06/04/2023]
Abstract
The levels and health risks of arsenic and heavy metals (As, Ba, Cd, Co, Cr, Cu, Mn, Ni, Pb, and Zn) in the suspended particulate matter (SPM) collected from an urban household environment in Beijing of China for 12 months were investigated. The mean concentrations of the studied toxic elements were higher and lower than crustal abundance and PM2.5 in the urban outdoors of Beijing. The concentrations of the studied elements displayed significant seasonality. The highest concentrations of the total elements occurred in winter, followed by autumn, while the lowest concentrations were recorded in summer. Based on the calculated values of enrichment factor (EF) and geoaccumulation index (Igeo), the levels for As and Cu were heavily contaminated, while those for Cd, Pb, and Zn were extremely contaminated. As and Pb might pose risks to children and adults via ingestion exposure. The accumulative risks of multi-elements resulted from dermal contact and inhalation exposures were not negligible. More attention should be paid to reducing the non-carcinogenic and carcinogenic health risks posed by the toxic elements bound to urban household SPM particles via ingestion, inhalation, and dermal contact exposure.
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Affiliation(s)
- Y Y Yang
- Key Laboratory of Environmental Change and Natural Disaster, Ministry of Education, Beijing Normal University, Beijing, 100875, China,
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