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Niu H, Su X, Li Q, Zhao J, Hou M, Dong S, Yan X, Sun J, Feng J. Dimethylsiloxanes in dust from nine indoor microenvironments of Henan Province: Occurrence and human exposure assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166546. [PMID: 37625713 DOI: 10.1016/j.scitotenv.2023.166546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Dimethylsiloxanes (MSs) are widely used in daily life and industry, with indoors being the main release site. Detecting the levels of MSs in indoor dust is essential for assessing the risks of human exposure. In this study, the content of MSs (D3-D8 and L3-L16) was quantified in indoor dust samples from nine microenvironments of Henan Province. The detection frequency of the targets ranged from 5.00 % to 100 %. The sum concentration of dimethylsiloxanes (TSi) was in a range of 463-3.32 × 104 ng·g-1 (median: 1.92 × 103 ng·g-1). The sum concentration of linear dimethylsiloxanes (TLSi) from all microenvironments was higher than the sum concentration of cyclic dimethylsiloxanes (TCSi), which was consistent with previously reported results. D7 and D8 were the main cyclic dimethylsiloxane, which had similar sources based on Spearman correlation analysis (p < 0.001). Moreover, D8 was detected with high levels in indoor dust for the first time, which warrants further exploration. L8-L16 were the main linear dimethylsiloxanes, which may have been due to their widespread use in electronic equipment and office equipment. The Spearman analysis found that total organic carbon (TOC) in indoor dust had weak effect on MSs. Additionally, relatively high MS levels were recorded in high people-flow working microenvironments. Accordingly, the exposure doses of MSs via indoor dust intake were estimated for different age groups using the model of worst-case exposure and median concentration. Toddlers had the highest EDIs (95th percentile concentration, 90.7 ng·kg-1-bw·d-1) to MSs.
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Affiliation(s)
- Haoran Niu
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Xianfa Su
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Qian Li
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Jiahui Zhao
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Manyun Hou
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Shuying Dong
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Xu Yan
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Jianhui Sun
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China
| | - Jinglan Feng
- School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China.
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Matheson S, Fleck R, Lockwood T, Gill RL, Irga PJ, Torpy FR. Fuelling phytoremediation: gasoline degradation by green wall systems-a case study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:118545-118555. [PMID: 37917253 DOI: 10.1007/s11356-023-30634-1] [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: 05/04/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023]
Abstract
The capacity for indoor plants including green wall systems to remove specific volatile organic compounds (VOCs) is well documented in the literature; however under realistic settings, indoor occupants are exposed to a complex mixture of harmful compounds sourced from various emission sources. Gasoline vapour is one of the key sources of these emissions, with several studies demonstrating that indoor occupants in areas surrounding gasoline stations or with residentially attached garages are exposed to far higher concentrations of harmful VOCs. Here we assess the potential of a commercial small passive green wall system, commercially named the 'LivePicture Go' from Ambius P/L, Australia, to drawdown VOCs that comprise gasoline vapour, including total VOC (TVOC) removal and specific removal of individual speciated VOCs over time. An 8-h TVOC removal efficiency of 42.45% was achieved, along with the complete removal of eicosane, 1,2,3-trimethyl-benzene, and hexadecane. Further, the green wall also effectively reduced concentrations of a range of harmful benzene derivatives and other VOCs. These results demonstrate the potential of botanical systems to simultaneously remove a wide variety of VOCs, although future research is needed to improve upon and ensure efficiency of these systems over time and within practical applications.
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Affiliation(s)
- Stephen Matheson
- Plants and Environmental Quality Research Group (PEQR), School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, Australia.
| | - Robert Fleck
- Plants and Environmental Quality Research Group (PEQR), School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, Australia
| | - Thomas Lockwood
- Hyphenated Mass Spectrometry Laboratory (HyMaS), School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, Australia
| | - Raissa L Gill
- Plants and Environmental Quality Research Group (PEQR), School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, Australia
- Productive Coasts, Climate Change Cluster, Faculty of Science, University of Technology Sydney, Ultimo, Australia
| | - Peter J Irga
- Plants and Environmental Quality Research Group (PEQR), School of Civil and Environmental Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, Australia
| | - Fraser R Torpy
- Plants and Environmental Quality Research Group (PEQR), School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, Australia
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Odo DB, Yang IA, Dey S, Hammer MS, van Donkelaar A, Martin RV, Dong GH, Yang BY, Hystad P, Knibbs LD. A cross-sectional analysis of long-term exposure to ambient air pollution and cognitive development in children aged 3-4 years living in 12 low- and middle-income countries. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120916. [PMID: 36563987 DOI: 10.1016/j.envpol.2022.120916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/31/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Exposure to ambient air pollution may affect cognitive functioning and development in children. Unfortunately, there is little evidence available for low- and middle-income countries (LMICs), where air pollution levels are highest. We analysed the association between exposure to ambient fine particulate matter (≤2.5 μm [PM2.5]) and cognitive development indicators in a cross-sectional analysis of children (aged 3-4 years) in 12 LMICs. We linked Demographic and Health Survey data, conducted between 2011 and 2018, with global estimates of PM2.5 mass concentrations to examine annual average exposure to PM2.5 and cognitive development (literacy-numeracy and learning domains) in children. Cognitive development was assessed using the United Nations Children's Fund's early child development indicators administered to each child's mother. We used multivariable logistic regression models, adjusted for individual- and area-level covariates, and multi-pollutant models (including nitrogen dioxide and surface-level ozone). We assessed if sex and urban/rural status modified the association of PM2.5 with the outcome. We included 57,647 children, of whom, 9613 (13.3%) had indicators of cognitive delay. In the adjusted model, a 5 μg/m3 increase in annual all composition PM2.5 was associated with greater odds of cognitive delay (OR = 1.17; 95% CI: 1.13, 1.22). A 5 μg/m3 increase in anthropogenic PM2.5 was also associated with greater odds of cognitive delay (OR = 1.05; 95% CI: 1.00, 1.10). These results were robust to several sensitivity analyses, including multi-pollutant models. Interaction terms showed that urban-dwelling children had greater odds of cognitive delay than rural-dwelling children, while there was no significant difference by sex. Our findings suggest that annual average exposure to PM2.5 in young children was associated with adverse effects on cognitive development, which may have long-term consequences for educational attainment and health.
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Affiliation(s)
- Daniel B Odo
- School of Public Health, The University of Queensland, Herston, QLD 4006, Australia; College of Health Sciences, Arsi University, Asela, Ethiopia.
| | - Ian A Yang
- Thoracic Program, The Prince Charles Hospital, Metro North Hospital and Health Service, Brisbane, Australia; UQ Thoracic Research Centre, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Sagnik Dey
- Centre for Atmospheric Sciences, Indian Institute of Technology Delhi, New Delhi, India; Arun Duggal Centre of Excellence for Research in Climate Change and Air Pollution, Indian Institute of Technology Delhi, New Delhi, India
| | - Melanie S Hammer
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, MO, United States
| | - Aaron van Donkelaar
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, MO, United States
| | - Randall V Martin
- Department of Energy, Environmental & Chemical Engineering, Washington University in St. Louis, St. Louis, MO, United States
| | - Guang-Hui Dong
- Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Bo-Yi Yang
- Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Perry Hystad
- College of Public Health and Human Sciences, Oregon State University, USA
| | - Luke D Knibbs
- School of Public Health, The University of Sydney, Camperdown, NSW 2006, Australia
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Current State of Indoor Air Phytoremediation Using Potted Plants and Green Walls. ATMOSPHERE 2021. [DOI: 10.3390/atmos12040473] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Urban civilization has a high impact on the environment and human health. The pollution level of indoor air can be 2–5 times higher than the outdoor air pollution, and sometimes it reaches up to 100 times or more in natural/mechanical ventilated buildings. Even though people spend about 90% of their time indoors, the importance of indoor air quality is less noticed. Indoor air pollution can be treated with techniques such as chemical purification, ventilation, isolation, and removing pollutions by plants (phytoremediation). Among these techniques, phytoremediation is not given proper attention and, therefore, is the focus of our review paper. Phytoremediation is an affordable and more environmentally friendly means to purify polluted indoor air. Furthermore, studies show that indoor plants can be used to regulate building temperature, decrease noise levels, and alleviate social stress. Sources of indoor air pollutants and their impact on human health are briefly discussed in this paper. The available literature on phytoremediation, including experimental works for removing volatile organic compound (VOC) and particulate matter from the indoor air and associated challenges and opportunities, are reviewed. Phytoremediation of indoor air depends on the physical properties of plants such as interfacial areas, the moisture content, and the type (hydrophobicity) as well as pollutant characteristics such as the size of particulate matter (PM). A comprehensive summary of plant species that can remove pollutants such as VOCs and PM is provided. Sources of indoor air pollutants, as well as their impact on human health, are described. Phytoremediation and its mechanism of cleaning indoor air are discussed. The potential role of green walls and potted-plants for improving indoor air quality is examined. A list of plant species suitable for indoor air phytoremediation is proposed. This review will help in making informed decisions about integrating plants into the interior building design.
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Gao P, Liu D, Guo L, He C, Lin N, Xing Y, Yao C, Wu B, Zheng Z, Wang Y, Hang J. Ingestion bioaccessibility of indoor dust-bound PAHs: Inclusion of a sorption sink to simulate passive transfer across the small intestine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 659:1546-1554. [PMID: 31096364 DOI: 10.1016/j.scitotenv.2018.12.459] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 12/29/2018] [Accepted: 12/30/2018] [Indexed: 06/09/2023]
Abstract
In this study, we investigated the levels of 12 priority polycyclic aromatic hydrocarbons (PAH12) pollutants, bioaccessible PAH12, and sorption sink for PAH12 by a silicone sheet of indoor dust samples, which were collected from teachers' offices (n = 17), students' offices (n = 17), laboratory (n = 11), and experimental center (n = 9), using an in vitro digestive model. In PAH12, bioaccessible PAH12, and sorption sink PAH12, benzo[b]fluoranthene (BbF), phenanthrenes (Phe), and fluoranthene (FLA) were labeled respectively the most significant PAHs (6.61 ± 4.42 μg/g, 0.16 ± 0.11 μg/g, and 0.08 ± 0.06 μg/g) after indoor dust ingestion, whereas the proportions of anthracene (Ant), benzo(g,h,i)perylene (BghiP), and BghiP (0.34 ± 0.17, 0.03 ± 0.03 and 0.01 ± 0.01 μg/g) were low. Based on benzo[a]pyrene- equivalent carcinogenic concentrations, the mean daily exposure of bioaccessible PAH12 and sorption sink for PAH12 by indoor dust ingestion was 4.07 × 10-3 ± 1.73 × 10-3 and 3.23 × 10-3 ± 1.36 × 10-3 μg/day in the experimental center; 4.01 × 10-3 ± 2.05 × 10-3 and 1.46 × 10-3 ± 6.72 × 10-4 μg/day in students' offices; 8.25 × 10-4 ± 2.33 × 10-4 and 5.15 × 10-4 ± 1.37 × 10-4 μg/day in laboratory; and 7.05 × 10-4 ± 4.12 × 10-5 and 2.82 × 10-4 ± 4.36 × 10-5 μg/day in teachers' offices, respectively. Our results indicated that the passive transfer fraction of PAH12 (44.07%-67.36% in this case) is therefore large and needs to be considered in exposure and risk assessments.
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Affiliation(s)
- Peng Gao
- Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Dantong Liu
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Li Guo
- Department of Respiratory Medicine, The Affiliated Tumor Hospital of Harbin Medical University, Harbin 150001, China
| | - Chuan He
- Department of Civil and Environmental Engineering, Imperial College London, London SW7 2AZ, UK
| | - Nan Lin
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yanfeng Xing
- Heilongjiang Province Environmental Monitoring Center, Harbin 150056, China
| | - Changhao Yao
- Heilongjiang Province Environmental Monitoring Center, Harbin 150056, China
| | - Bing Wu
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zelin Zheng
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yue Wang
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jian Hang
- Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China.
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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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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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Indoor exposure and adverse birth outcomes related to fetal growth, miscarriage and prematurity-a systematic review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2014; 11:5904-33. [PMID: 24896737 PMCID: PMC4078555 DOI: 10.3390/ijerph110605904] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 05/19/2014] [Accepted: 05/21/2014] [Indexed: 11/24/2022]
Abstract
The purpose of this review was to summarize existing epidemiological evidence of the association between quantitative estimates of indoor air pollution and all-day personal exposure with adverse birth outcomes including fetal growth, prematurity and miscarriage. We carried out a systematic literature search of MEDLINE and EMBASE databases with the aim of summarizing and evaluating the results of peer-reviewed epidemiological studies undertaken in “westernized” countries that have assessed indoor air pollution and all-day personal exposure with specific quantitative methods. This comprehensive literature search identified 16 independent studies which were deemed relevant for further review and two additional studies were added through searching the reference lists of all included studies. Two reviewers independently and critically appraised all eligible articles using the Critical Appraisal Skills Programme (CASP) tool. Of the 18 selected studies, 14 adopted a prospective cohort design, three were case-controls and one was a retrospective cohort study. In terms of pollutants of interest, seven studies assessed exposure to electro-magnetic fields, four studies assessed exposure to polycyclic aromatic hydrocarbons, four studies assessed PM2.5 exposure and three studies assessed benzene, phthalates and noise exposure respectively. Furthermore, 12 studies examined infant growth as the main birth outcome of interest, six examined spontaneous abortion and three studies assessed gestational age at birth and preterm delivery. This survey demonstrates that there is insufficient research on the possible association of indoor exposure and early life effects and that further research is needed.
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Besis A, Katsoyiannis A, Botsaropoulou E, Samara C. Concentrations of polybrominated diphenyl ethers (PBDEs) in central air-conditioner filter dust and relevance of non-dietary exposure in occupational indoor environments in Greece. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 188:64-70. [PMID: 24556227 DOI: 10.1016/j.envpol.2014.01.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 01/23/2014] [Accepted: 01/25/2014] [Indexed: 06/03/2023]
Abstract
Polybrominated Diphenyl Ethers (PBDEs) are ubiquitous in the indoor environment owing to their use in consumer products and various studies around the world have found higher concentrations indoors than outdoors. Central air conditioner (A/C) systems have been widely used in many workplaces, therefore, studying of PBDEs in central A/C filter dust is useful to better understand the occurrences and health implications of PBDEs in indoor environments. The present study examined the occurrence of PBDEs in central A/C filter dust collected from various workplaces (n = 20) in Thessaloniki, Greece. The sum concentrations of 21 target congeners (∑21PBDE) in A/C dust ranged between 84 and 4062 ng g(-1) with a median value of 1092 ng g(-1), while BDE-209 was found to be the most abundant BDE congener. The daily intake via dust ingestion of PBDEs estimated for the employees of the occupational settings ranged from 3 to 45 ng day(-1) (median 12 ng day(-1)).
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Affiliation(s)
- Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Athanasios Katsoyiannis
- Norwegian Institute for Air Research NILU, High North Research Centre for Climate and the Environment (FRAM Centre), NO-9296 Tromsø, Norway
| | - Elisavet Botsaropoulou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
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Pieri F, Katsoyiannis A, Martellini T, Hughes D, Jones KC, Cincinelli A. Occurrence of linear and cyclic volatile methyl siloxanes in indoor air samples (UK and Italy) and their isotopic characterization. ENVIRONMENT INTERNATIONAL 2013; 59:363-71. [PMID: 23892293 DOI: 10.1016/j.envint.2013.06.006] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 06/10/2013] [Accepted: 06/12/2013] [Indexed: 05/06/2023]
Abstract
The occurrence of linear- and cyclic-volatile methyl siloxanes (lVMSs and cVMSs, respectively) in various indoor environments, occupational and domestic, in Italy and in the United Kingdom was studied. The results show that the cVMSs are the most abundant, detected in average concentrations that in some cases were as high as 170μgm(-3). Our study highlights the differences that can be observed between various indoor environments (e.g. domestic like bathrooms, bedrooms, or occupational) and between two countries. In most cases, the concentrations found in the UK are higher than in the respective indoor environments in Italy. The assessment of exposure to these two countries for adults and children revealed significant differences both not only in the levels of exposure, but also in the patterns. In Italy, the biggest part of the exposure to VMSs takes place domestically, whereas in the UK, it is observed for occupational environments. Additionally, the compound specific isotopic analysis was employed as a source identification technique. The results are promising mainly for D5 that occurs in higher concentrations, but not for the less abundant lVMSs and cVMSs.
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Affiliation(s)
- F Pieri
- Department of Chemistry, University of Florence, Via della Lastruccia 3, 50019 Sesto Fiorentino, Florence, Italy
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