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Alghamdi MA, Hassan SK, Shetaya WH, Al Sharif MY, Nawab J, Khoder MI. Polycyclic aromatic hydrocarbons in indoor mosques dust in Saudi Arabia: Levels, source apportionment, human health and carcinogenic risk assessment for congregators. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174331. [PMID: 38945247 DOI: 10.1016/j.scitotenv.2024.174331] [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: 04/18/2024] [Revised: 06/13/2024] [Accepted: 06/25/2024] [Indexed: 07/02/2024]
Abstract
Mosques are important places for Muslims where they perform their prayers. The congregators are exposed to hazardous pollutants such as polycyclic aromatic hydrocarbons (PAHs) associated with dust. However, studies on PAHs exposure in religious places are scarce. Air-condition filter (ACF) dust can correspond to air quality to a certain extent, since dust particles derived from indoor and outdoor places stick to it. Therefore, the present study aimed to evaluate the 16 EPA PAHs in ACF dust from mosques to determine their levels, profiles, sources and risks. Average Σ16 PAHs concentrations were 1039, 1527, 2284 and 5208 ng/g in AC filter dust from mosques in residential (RM), suburban (SM), urban (UM) and car repair workshop (CRWM), respectively, and the differences were statistically significant (p < 0.001). Based on the molecular diagnostic PAH ratios, PAHs in mosques dust is emitted from local incomplete fuel combustion, as well as complete fossil fuels combustion sources (pyrogenic), petroleum spills, crude and fuel oil, traffic emissions, and other possible sources of industrial emissions in different functional areas. The incremental lifetime cancer risks (ILCRs) values for children and adults across the different types of mosques follow the order: CRWM > UM > SM > RM. ILCRs values for both children and adults were found in order: dermal contact > ingestion > inhalation. The cancer risk levels via ingestion for children were relatively higher than the adults. The values of cancer risk for children and adults via dermal contact and ingestion (except in RM) were categorized in the 'potentially high risk' category (> 10-4). The mean values of total cancer risks (CR) for children (5.74 × 10-3) and adults (5.07 × 10-3) in mosques also exceeded the accepted threat value (>10-4). Finally, it is recommended that regular and frequent monitoring of PAHs should be carried out in mosques to improve the quality and maintain the health of congregators around the globe.
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Affiliation(s)
- Mansour A Alghamdi
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia.
| | - Salwa K Hassan
- Air Pollution Research Department, Environment and Climate Change Research Institute, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt
| | - Waleed H Shetaya
- Air Pollution Research Department, Environment and Climate Change Research Institute, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt
| | - Marwan Y Al Sharif
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia
| | - Javed Nawab
- Department of Environmental Sciences, Kohat University of Science & Technology, Kohat, Pakistan
| | - Mamdouh I Khoder
- Air Pollution Research Department, Environment and Climate Change Research Institute, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt
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Kumar B, Verma VK, Kumar S. Atmospheric polycyclic aromatic hydrocarbons in India: geographical distribution, sources and associated health risk-a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:186. [PMID: 38695998 DOI: 10.1007/s10653-024-01969-6] [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: 07/05/2023] [Accepted: 03/25/2024] [Indexed: 06/17/2024]
Abstract
Atmospheric distribution of polycyclic aromatic hydrocarbons and associated human health risks have been studied in India. However, a comprehensive overview is not available in India, this review highlights the possible sources, and associated cancer risks in people living in different zones of India. Different databases were searched for the scientific literature on polycyclic aromatic hydrocarbons in ambient air in India. Database searches have revealed a total of 55 studies conducted at 139 locations in India in the last 14 years between 1996 and 2018. Based on varying climatic conditions in India, the available data was analysed and distributed with four zone including north, east, west/central and south zones. Comparatively higher concentrations were reported for locations in north zone, than east, west/central and south zones. The average concentrations of ∑PAHs is lower in east zone, and concentrations in north, west/central and south zones are higher by 1.67, 1.47, and 1.12 folds respectively than those in east zone. Certain molecular diagnostic ratios and correlation receptor models were used for identification of possible sources, which aided to the conclusion that both pyrogenic and petrogenic activities are the mixed sources of PAH emissions to the Indian environment. Benzo(a)pyrene toxicity equivalency for different zones is estimated and presented. Estimated Chronic daily intake (CDI) due to inhalation of PAHs and subsequently, cancer risk (CR) is found to be ranging from extremely low to low in various geographical zones of India.
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Affiliation(s)
- Bhupander Kumar
- Central Pollution Control Board, East Arjun Nagar, Delhi, 110032, India.
| | | | - Sanjay Kumar
- Central Pollution Control Board, East Arjun Nagar, Delhi, 110032, India
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Sadouni F, Asgari HM, Amanipoor H, Heidari M, Mojiri-Forushani H. Integrative assessment of urban dust polycyclic aromatic hydrocarbons using ground and satellite data in Iran. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1052. [PMID: 37589823 DOI: 10.1007/s10661-023-11602-1] [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: 02/07/2023] [Accepted: 07/12/2023] [Indexed: 08/18/2023]
Abstract
Recently, for quick urbanization and industrialization, pollutants, especially urban dust, have posed many threats to the human environment. Polycyclic aromatic hydrocarbons (PAHs) are regarded as the main dangerous pollutants that are widespread, persistent, and carcinogenic. The present work aimed to investigate the contamination and sources of PAHs, as well as to assess the risk of cancer for 16 priority PAHs, in urban dust samples in Ahvaz, Isfahan, and Shiraz cities in Iran. We measured PAH concentrations by gas chromatography-mass spectrometry (GC-MS). The average concentrations of the 16 PAHs in Ahvaz, Isfahan, and Shiraz were 6215.11, 7611.03, and 7810.37 μg kg-1, respectively. The domination of low-molecular-weight (LMW) PAHs was observed in Ahvaz, while maximum contribution was observed for high-molecular-weight (HMW) PAHs in Esfahan and Shiraz. For PAHs' source identification, diagnostic ratio, correlation analysis, clustering, and positive matrix factorization (PMF) model were used. PAHs had a combustion (coal and wood, oil, fossil fuels) and gasoline/diesel engine emissions in all cities. Comparative studies suggest that the PAH compounds' level is higher in the research area than in other countries, except for China and India. Also, the pollution of urban dust PAHs has increased over time compared to previous studies in the same cities. The cancer risk from exposure to dust contaminated with PAHs was assessed using the Incremental Lifetime Cancer Risk (ILCR) model. According to the findings, a high risk of exposure to cancer was observed in Ahvaz, Isfahan, and Shiraz. However, compared to adults, children are at higher risk of cancer in their daily lives via dermal contact and unconscious ingestion. Based on the ILCR values, the risk of cancer is in the order of Shiraz > Isfahan > Ahvaz. To assess air pollutants and their effects on urban dust, TROPOMI onboard the Sentinel-5P data were used in the studied cities during 2018-2021. The results show that Ahvaz has different high levels of CO compared to the other 2 cities. Also, Isfahan has different high levels of NO2 compared to the other 2 cities, but Shiraz has different low levels of O3. According to satellite time series data, the trend of the Aerosol Absorbing Index (AAI) has been increasing, while there was a decreasing trend in AAI from the beginning of the COVID-19 pandemic until 12 months later. Therefore, the natural and anthropogenic sources of urban dust PAHs have been increasing in all studied cities. Our findings show that PAH compounds in urban dust pose a significant threat to human health. Therefore, strategic management and planning are vital in reducing urban dust pollution.
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Affiliation(s)
- Fatemeh Sadouni
- Department of Environment, College of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran
| | - Hossien Mohammad Asgari
- Department of Environment, College of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran.
| | - Hakimeh Amanipoor
- Department of Geology, College of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran
| | - Majid Heidari
- Department of Geology, College of Marine Natural Resources, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran
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Barhoumi B, Guigue C, Touil S, Johnson-Restrepo B, Driss MR, Tedetti M. Hydrocarbons in the atmospheric gas phase of a coastal city in Tunisia: Levels, gas-particle partitioning, and health risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:162986. [PMID: 36958548 DOI: 10.1016/j.scitotenv.2023.162986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 05/17/2023]
Abstract
Many studies have focused on aliphatic hydrocarbons and polycyclic aromatic hydrocarbons (AHs and PAHs) in different environmental compartments, especially atmospheric particles (aerosols), due to their adverse effects on the environment and human health. However, much less information is currently available on the content of AHs and PAHs in the atmospheric gas phase, which is a major reservoir of volatile and photoreactive compounds. Here, for the first time, we assessed the levels, gas-particle partitioning, human health risks and seasonal variations of AHs and PAHs in the atmospheric gas-phase of Bizerte city (Tunisia, North Africa) over a one-year period (March 2015-January 2016). Σ34PAH concentration in the gas phase over the period ranged from 6.7 to 90.6 ng m-3 and on average was 2.5 times higher in the cold season than in the warm season. Σ28AH concentration in the gas phase over the period ranged from 14.0 to 35.9 ng m-3, with no clear seasonal variations. In the gas phase, hydrocarbons were dominated by low-molecular-weight (LMW) compounds, i.e. 3- and 4-ring for PAHs and < n-C24 for AHs. Gas-phase concentrations of PAHs and AHs accounted for up to 80 % of the total (gas + particle phases) atmospheric concentrations of PAHs and AHs. Further analysis of gas-particle partitioning showed that LMW hydrocarbons preferential accumulated in the gas phase, and that gas-particle partitioning was not in equilibrium but dominated by absorption processes into the aerosol organic matter. Benzo[a]pyrene toxic equivalency quotient (BaP-TEQ) in the gas phase represented on average 37 % of the total atmospheric BaP-TEQ concentration, which was always higher in the cold season. Atmospheric gas is a significant factor in the risks of cancer associated with inhalation of ambient air. The Monte Carlo simulation-based exposure assessment model predicted that outdoor air exposure to PAHs does not pose a cancer risk to infants, but the children, adolescent, and adult populations may face a lower cancer risk during the warm season and a higher risk in the cold season.
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Affiliation(s)
- Badreddine Barhoumi
- Laboratory of Hetero-Organic Compounds and Nanostructured Materials (LR18ES11), Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia; Aix Marseille Univ, Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France.
| | - Catherine Guigue
- Aix Marseille Univ, Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France
| | - Soufiane Touil
- Laboratory of Hetero-Organic Compounds and Nanostructured Materials (LR18ES11), Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Boris Johnson-Restrepo
- Environmental Chemistry Research Group, School of Exact and Natural Sciences, University Campus of San Pablo, University of Cartagena, Zaragocilla, Carrera 50 No. 24-99, Cartagena, 130015, Colombia
| | - Mohamed Ridha Driss
- Laboratory of Hetero-Organic Compounds and Nanostructured Materials (LR18ES11), Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Marc Tedetti
- Aix Marseille Univ, Université de Toulon, CNRS, IRD, MIO UM 110, 13288 Marseille, France
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Compositional and seasonal differences of gas and particle phase polycyclic aromatic hydrocarbons (PAHs) over the southern Baltic Sea coast. Sci Rep 2022; 12:21005. [PMID: 36471002 PMCID: PMC9723112 DOI: 10.1038/s41598-022-25666-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
In this study, 16 USEPA-prioritized PAHs in gas- and particle-phase (PAHg+p), associated chemical and meteorological parameters, and backward trajectory simulations were explored in a coastal city in Poland, between April 2019 and May 2020. This study reports several important aspects of PAHg+p, i.e. variation, composition, distribution profiles, impact of weather conditions, and correlation analysis between target PAH compounds and influencing inorganic gaseous pollutants. Specifically, higher and more variable concentrations of total PAHg+p (mean ± SD, ng m-3) were observed during winter (36.38 ± 24.19) compared to autumn (22.3 ± 17.44), summer (21.52 ± 13.30) and spring (19.90 ± 13.13). A distribution profile of parent PAHg+p was as follows: 3-ring > 4-ring > 2-ring > 5-ring > 6-ring, although their relative contribution to the total PAHs showed statistically significant differences between seasons (p < 0.05). Precipitation-driven loss of ΣPAHg+p was lower in the warm period than in the cold one, reflecting higher PAH concentrations in winter. A seasonal model-based analysis of incremental lifetime cancer risk showed a higher potential cancer risk for children than those for adult females and males. The adverse health impacts associated with PAH exposure via inhalation route indicate the need for implementation of pollution-control policies in this region.
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Jiang L, Xiao Q, Zhang J, Zhao Y, Chen L, Lu S. Association between fetal exposure to polycyclic aromatic hydrocarbons and low birth weight: a case-control study in Shenzhen, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:88779-88787. [PMID: 35840835 DOI: 10.1007/s11356-022-21965-6] [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: 04/25/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
The potential hazards of polycyclic aromatic hydrocarbons (PAHs) on fetus development have raised widespread concerns in recent years, although current epidemiological findings are conflicting. The aim of this case-control study was to investigate the relationship between PAH concentrations in maternal serum and low birth weight (LBW). A questionnaire survey was conducted among 144 (72 pairs) neonates with normal or LBW and their mothers at four different hospitals in Shenzhen, China. Peripheral blood from primiparas and umbilical cord blood from neonates were collected. Concentrations of PAHs were determined by gas chromatography-mass spectrometry. The detection frequencies of PAHs were relatively higher in the peripheral blood samples, while levels of low molecular weight PAHs were greater than high molecular weight PAHs in both peripheral and umbilical cord blood samples. Phenanthrene was frequently detected in blood samples from the case and control groups. Logistic regression analysis showed that acenaphthene in peripheral blood was positively associated with LBW (p < 0.05). This study found a relationship between exposure to certain PAHs and LBW, although future studies are needed to confirm these results.
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Affiliation(s)
- Lei Jiang
- Shenzhen Maternity & Child Healthcare Hospital, Southern Medical University, Shenzhen, 518028, China
| | - Qinru Xiao
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, China
| | - Jianqing Zhang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Yang Zhao
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, China
| | - Lihua Chen
- Shenzhen Maternity & Child Healthcare Hospital, Southern Medical University, Shenzhen, 518028, China
| | - Shaoyou Lu
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, China.
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Jiang Q, Zhang X, Liu T, Shi J, Gu X, Xiao J, Fang J. Assessment of the temporal variability and health risk of atmospheric particle-phase polycyclic aromatic hydrocarbons in a northeastern city in China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:64536-64546. [PMID: 35471760 DOI: 10.1007/s11356-022-20378-9] [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: 12/03/2021] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
In this study, we examined the sources and temporal variability of 16 polycyclic aromatic hydrocarbons (PAHs) found in fine particulate matter (PM2.5) in a typical industrial city in northern China. We also evaluated the incremental lifetime cancer risk (ILCR) from the inhalation of these PAHs. Atmospheric PM2.5 samples were collected for 7 consecutive days each month from 2014 to 2019, and the 16 PAHs were measured using multiplex gas chromatography-tandem mass spectrometry. The carcinogenic risk of PAH exposure was assessed using the inhalation unit risk (IUR) and cancer slope factor (CSF) methods. The annual average concentrations of PM2.5 for each year from 2014 to 2019 were 102.87±55.25, 86.92±60.43, 69.17±37.74, 58.20±59.15, 56.01±34.52, and 52.54±58.15 µg m-3, and the annual average ΣPAH concentrations were 56.03±81.09, 47.99±79.30, 40.41±57.31, 33.57±51.79, 43.23±74.80, and 25.20±50.91 ng m-3, respectively. Source identification, using diagnostic ratio analysis, indicated that the major PAH sources were coal/biomass combustion, fuel combustion, and traffic emissions. A health risk assessment showed that the ILCR from PAH inhalation decreased throughout the study period and varied with age. The IUR and CSF methods both showed that the adult ILCR exceeded 1.0×10-6. These findings demonstrate the importance of addressing the carcinogenic risk of PM2.5-bound PAHs, particularly in adults.
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Affiliation(s)
- Qizheng Jiang
- Hebei University of Science & Technology, No. 26 Yuxiangjie, Yuhua District, Shijiazhuang, 050018, China
- China CDC Key Laboratory of Environment and Human Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China
| | - Xianhui Zhang
- Jinan Center for Disease Control and Prevention, Jinan, 250021, China
| | - Tong Liu
- Harbin Center for Disease Control and Prevention, Harbin, 150056, China
| | - Jie Shi
- Harbin Center for Disease Control and Prevention, Harbin, 150056, China
| | - Xiaolin Gu
- Harbin Center for Disease Control and Prevention, Harbin, 150056, China
| | - Jieying Xiao
- Hebei University of Science & Technology, No. 26 Yuxiangjie, Yuhua District, Shijiazhuang, 050018, China.
| | - Jianlong Fang
- China CDC Key Laboratory of Environment and Human Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China
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Verma PK, Sah D, Satish R, Rastogi N, Kumari KM, Lakhani A. Atmospheric chemistry and cancer risk assessment of Polycyclic Aromatic Hydrocarbons (PAHs) and Nitro-PAHs over a semi-arid site in the Indo-Gangetic plain. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 317:115456. [PMID: 35751260 DOI: 10.1016/j.jenvman.2022.115456] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 02/04/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) and Nitro-PAHs were collected over a year at a traffic dominated site in Agra, to determine the dominant partitioning mechanism. During the entire sampling period, total PAHs and Nitro-PAHs were 3465 ± 3802 and 26.1 ± 25.9 ng m-3 respectively. The gas-particle partitioning behavior of PAHs was studied by applying the Pankow model, Absorption model, and Dual model. Amongst all the partitioning models, the Dual model fits well and indicates that the partitioning of PAHs at the traffic site in Agra depends on both the physical adsorption of PAHs on the Total Suspended Particulate (TSP) surface and absorption of PAHs into the organic layer present on the TSP surface. Pankow model indicates that PAHs are emitted from the source close to the sampling point and due to this PAHs do not get enough time to get partitioned in between both the phases. Incremental lifetime Cancer Risk (ILCR) shows that adults and children are more prone to cancer risk in comparison to infants for both PAHs and Nitro-PAHs. Cancer risk by inhalation was minimum in comparison to both ingestion and dermal exposure. Nitro-PAHs in the particulate phase were high enough to exceed the minimum permissible limit (10-6) of causing cancer by ingestion and dermal exposure.
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Affiliation(s)
- Puneet Kumar Verma
- Department of Chemistry, Dayalbagh Educational Institute, Agra, 282005, India
| | - Dinesh Sah
- Department of Chemistry, Dayalbagh Educational Institute, Agra, 282005, India
| | - Rangu Satish
- Geosciences Division, Physical Research Laboratory, Navrangpura, Ahmedabad, 380009, India
| | - Neeraj Rastogi
- Geosciences Division, Physical Research Laboratory, Navrangpura, Ahmedabad, 380009, India
| | - K Maharaj Kumari
- Department of Chemistry, Dayalbagh Educational Institute, Agra, 282005, India
| | - Anita Lakhani
- Department of Chemistry, Dayalbagh Educational Institute, Agra, 282005, India.
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Ediagbonya TF, Oyinlusi OC, Okungbowa EG, Uche JI. Environmental and human health risk assessments of polycyclic aromatic hydrocarbons in particulate matter in Nigeria. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:569. [PMID: 35794293 DOI: 10.1007/s10661-022-10260-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: 01/05/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are an important organic group in particulate matter which has attracted much attention among the scientific community in terms of health risk because of their carcinogenic, mutagenic, and ubiquitous nature in the environment. In this study, PAHs in particulate matter in Okitipupa were determined. Indoor and outdoor particle samples were sampled with the aid of SKC Air Check XR5000 high-volume gravimetric sampler, and analyzed using gas chromatography flame ionization detector (GC-FID). The results obtained showed that high molecular weight PAHs (5-ring, 6-ring PAHs) had higher mean concentration than low molecular weight PAHs (2-ring, 3-ring PAHs), in both indoor and outdoor particulate matter. Health risk assessments from exposure to these PAHs were also determined using toxicity equivalence quotient (TEQ), mutagenicity equivalence quotient (MEQ), incremental life cancer risk (ILCR), and hazard quotient (HQ). Dibenz(a,h)anthracene had the highest mean concentration across the sample location in both indoor and outdoor with values ranging from 33 to 31 and 90 to 93 µg/m3 respectively. The total mean concentration in outdoor PAHs ranged from 280 to 329 µg/m3, while total mean concentration in indoor PAHs ranged from 74 to 104 µg/m3. The incremental lifetime cancer risk in indoor ranged from 6.9 × 10-7 to 1.2 × 10-5, while the ILCR in outdoor ranged from 8.5 × 10-6 to 1.0 × 10-5. The hazard quotient in indoor ranged from 7.6 × 10-5 to 2.2 × 10-3, while the HQ in outdoor ranged from 10 × 10-4 to 1.4 × 10-3. These values are within the WHO permissible limit, and therefore underscores the danger associated with the inhalation of polycyclic aromatic hydrocarbons in Okitipupa.
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Affiliation(s)
| | - Olalekan Charles Oyinlusi
- Department of Chemical Sciences, Olusegun Agagu University of Science and Technology, Okitipupa, Nigeria
| | - Enosakhare Godwin Okungbowa
- Department of Radiography and Radiation Science, School of Basic Medical Sciences, College of Medical Sciences, University of Benin, Benin City, Edo State, Nigeria
| | - Joseph Ifeanyi Uche
- Department of Chemical Sciences, University of Delta, Agbor, Delta State, Nigeria
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Wu M, Luo J, Huang T, Lian L, Chen T, Song S, Wang Z, Ma S, Xie C, Zhao Y, Mao X, Gao H, Ma J. Effects of African BaP emission from wildfire biomass burning on regional and global environment and human health. ENVIRONMENT INTERNATIONAL 2022; 162:107162. [PMID: 35247686 DOI: 10.1016/j.envint.2022.107162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
The vegetation burning caused by wildfires can release significant quantities of aerosols and toxic chemicals into the atmosphere and result in health risk. Among these emitted pollutants, Benzo(a)pyrene (BaP), the most toxic congener of 16 parent PAHs (polycyclic aromatic hydrocarbons), has received widespread concerns because of its carcinogenicity to human health. Efforts have been made to investigate the environmental and health consequences of wildfire-induced BaP emissions in Africa. Still, uncertainties remain due to knowledge and data gaps in wildfire incidences and biomass burning emissions. Based on a newly-developed BaP emission inventory, the present study assesses quantitatively the BaP environment cycling in Africa and its effects on other continents from 2001 to 2014. The new inventory reveals the increasing contribution of BaP emission from African wildfires to the global total primarily from anthropogenic sources, accounting for 48% since the 2000 s. We identify significantly higher BaP emissions and concentrations across sub-Saharan Africa, where the annual averaged BaP concentrations were as high as 5-8 ng/m3. The modeled BaP concentrations were implemented to estimate the lifetime cancer risk (LCR) from the inhalation exposure to BaP concentrations. The results reveal that the LCR values in many African countries exceeded the acceptable risk level at 1 × 10-6, some of which suffer from very high exposure risk with the LCR>1 × 10-4. We show that the African BaP emission from wildfires contributed, to some extent, BaP contamination to Europe as well as other regions, depending on source proximity and atmospheric pathways under favorable atmospheric circulation patterns.
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Affiliation(s)
- Min Wu
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Jinmu Luo
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Tao Huang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lulu Lian
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Tianlei Chen
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Shijie Song
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhanxiang Wang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Shuxin Ma
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Chaoran Xie
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yuan Zhao
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Xiaoxuan Mao
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Hong Gao
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Jianmin Ma
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China; Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
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Fouad MM, El-Gendy AS, Khalil MMH, Razek TMA. Polycyclic aromatic hydrocarbons (PAHs) in Greater Cairo water supply systems. JOURNAL OF WATER AND HEALTH 2022; 20:680-691. [PMID: 35482384 DOI: 10.2166/wh.2022.312] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) pose a constant threat to the environment and public health. There are numerous activities in the Greater Cairo area that emit and release significant amounts of PAHs. Concentrations of these PAHs are released into the air and mixed with surface water, limiting its use. In this study, 17 PAH compounds are mapped at eight sites along the Nile River and its tributaries in Greater Cairo. In addition, their removal efficiency is evaluated with the conventional treatment in eight water treatment plants. PAHs were analyzed using GC-MS from January to December 2018. Naphthalene, anthracene, fluorene, pyrene, and phenanthrene were detected. The total amount of PAHs in raw water was highest in Shamal Helwan (1,325 ± 631 ng/l) and lowest in Mostorod (468 ± 329 ng/l), and the removal ranged from 25 to 31%. Further research is needed to integrate other techniques to reduce PAHs using the conventional treatment, and more efforts should be made to reduce the presence and release of PAHs in raw water.
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Affiliation(s)
- Mahmoud M Fouad
- Quality and Environmental Affairs Department, Holding Company for Water and Wastewater, 11687 Rod El Farag, Cairo, Egypt E-mail: ,
| | - Ahmed S El-Gendy
- Department of Construction Engineering, School of Sciences and Engineering, The American University in Cairo, New Cairo, Egypt
| | - Mostafa M H Khalil
- Chemistry Department, Faculty of Science, Ain Shams University, 11566 Abbassia, Cairo, Egypt
| | - Taha M A Razek
- Environmental Basic Sciences, Institute for Environmental Studies and Research, Ain Shams University, Cairo, Egypt
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12
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Alghamdi MA, Hassan SK, Al Sharif MY, Khoder MI, Harrison RM. On the nature of polycyclic aromatic hydrocarbons associated with sporting walkways dust: Concentrations, sources and relative health risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 781:146540. [PMID: 33794462 DOI: 10.1016/j.scitotenv.2021.146540] [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: 01/18/2021] [Revised: 02/19/2021] [Accepted: 03/13/2021] [Indexed: 06/12/2023]
Abstract
Sporting walkways (SW) are a new innovation which may prove popular in many cities. As there is currently no information on possible health risks associated with their use, concentrations of polycyclic aromatic hydrocarbons (PAHs) associated with deposited dust sampled on SW in Jeddah, Saudi Arabia, have been measured and interpreted in relation to sources and cancer risk. The average ∑PAHs (16 compounds) ranged between 1357 ng/g in residential areas and 3764 ng/g in central urban areas, with suburban areas between. The congener profile and diagnostic ratios of PAHs indicate a predominant source associated with petroleum combustion (pyrogenic source), most probably vehicular emissions. Carcinogenic potential is estimated from the sum of carcinogenic compound concentrations weighted by their individual potency relative to benzo(a)pyrene, and is found to be similar to household dust sampled in the same city, and lower than many other indoor and outdoor (road) dusts sampled across the world.
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Affiliation(s)
- Mansour A Alghamdi
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia
| | - Salwa K Hassan
- Air Pollution Research Department, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt
| | - Marwan Y Al Sharif
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia
| | - Mamdouh I Khoder
- Air Pollution Research Department, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt
| | - Roy M Harrison
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia; Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
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13
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Hong WJ, Jia H, Yang M, Li YF. Distribution, seasonal trends, and lung cancer risk of atmospheric polycyclic aromatic hydrocarbons in North China: A three-year case study in Dalian city. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 196:110526. [PMID: 32224369 DOI: 10.1016/j.ecoenv.2020.110526] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 03/17/2020] [Accepted: 03/19/2020] [Indexed: 06/10/2023]
Abstract
Atmospheric monitoring data of polycyclic aromatic hydrocarbons (PAHs) over a three-year period were collected from an urban site in Dalian, northeast China. The status of PAHs in the atmosphere in Dalian were evaluated by assessing concentration levels, congener profiles, seasonal trends, primary source, inhalation exposure and the risk of developing lung cancer risk. Average concentrations were recorded for 53 PAHs (95 ± 40 ng/m3), 16 EPA priority PAHs (68 ± 33 ng/m3), 26 alkylated PAHs (17 ± 7.6 ng/m3) and 4 high-molecular-weight (302 Da) PAHs (1.3 ± 1.3 ng/m3). Atmospheric PAH concentrations in winter were almost twice as high as those recorded in the summer, possibly due to enhanced local emissions and long-range transport of atmospheric PAHs during the winter. PAH congeners were dominated by phenatherene, fluoranthene, pyrene and fluorene, accounting for 46.0% of total ∑53PAH concentrations. Ship/vehicle emission and mixed combustion were identified as the main sources of PAHs using diagnostic PAH concentration ratios and principal component analysis-multiple linear regression. Benzo(a)pyrene toxicity equivalent concentration had an average content of 32 ± 37 ng/m-3 over the sampling period, with dibenzo(a,h)anthracene (50.7%) and dibenzo(a,l)pyrene (26.4%) being the largest contributors. The risk of developing lung cancer due to inhalation exposure to outdoor PAHs was calculated at 12.0‰ using the overall population attributable fraction (PAF). Our results estimate that, due to PAH exposure in Dalian, the average excess lung cancer risk during a person's lifetime is 35.7 cancer cases per one million inhabitants.
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Affiliation(s)
- Wen-Jun Hong
- Institute of Environmental and Health Sciences, College of Quality and Safety Engineering, China Jiliang University, Hangzhou, 310018, China; International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), Dalian Maritime University, Dalian, 116026, China.
| | - Hongliang Jia
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), Dalian Maritime University, Dalian, 116026, China
| | - Meng Yang
- Dalian Environmental Monitoring Centre, Dalian, 116023, China; International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), Dalian Maritime University, Dalian, 116026, China
| | - Yi-Fan Li
- IJRC-PTS, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China; International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), Dalian Maritime University, Dalian, 116026, China
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14
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Alghamdi MA, Hassan SK, Alzahrani NA, Al Sharif MY, Khoder MI. Classroom Dust-Bound Polycyclic Aromatic Hydrocarbons in Jeddah Primary Schools, Saudi Arabia: Level, Characteristics and Health Risk Assessment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E2779. [PMID: 32316605 PMCID: PMC7215388 DOI: 10.3390/ijerph17082779] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/10/2020] [Accepted: 04/16/2020] [Indexed: 12/20/2022]
Abstract
Data concerning polycyclic aromatic hydrocarbons (PAHs) in Jeddah's schools, Saudi Arabia, and their implications for health risks to children, is scarce. Classroom air conditioner filter dusts were collected from primary schools in urban, suburban and residential areas of Jeddah. This study aimed to assess the characteristics of classroom-dust-bound PAHs and the health risks to children of PAH exposure. Average PAH concentrations were higher in urban schools than suburban and residential schools. Benzo (b)fluoranthene (BbF), benzo(ghi)perylene (BGP), chrysene (CRY) and Dibenz[a,h]anthracene (DBA) at urban and suburban schools and BbF, BGP, fluoranthene (FLT) and indeno (1, 2, 3, -cd)pyrene (IND) at residential schools were the dominant compounds in classroom dust. PAHs with five aromatic rings were the most abundant at all schools. The relative contribution of the individual PAH compounds to total PAH concentrations in the classroom dusts of schools indicate that the study areas do share a common source, vehicle emissions. Based on diagnostic ratios of PAHs, they are emitted from local pyrogenic sources, and traffic is the significant PAH source, with more significant contributions from gasoline-fueled than from diesel cars. Based on benzo[a]pyrene equivalent (BaPequi) calculations, total carcinogenic activity (TCA) for total PAHs represent 21.59% (urban schools), 20.99% (suburban schools), and 18.88% (residential schools) of total PAH concentrations. DBA and BaP were the most dominant compounds contributing to the TCA, suggesting the importance of BaP and DBA as surrogate compounds for PAHs in this schools. Based on incremental lifetime cancer risk (ILCingestion, ILCRinhalation, ILCRdermal) and total lifetime cancer risk (TLCR)) calculations, the order of cancer risk was: urban schools > suburban schools > residential schools. Both ingestion and dermal contact are major contributors to cancer risk. Among PAHs, DBA, BaP, BbF, benzo(a)anthracene (BaA), benzo(k)fluoranthene (BkF), and IND have the highest ILCR values at all schools. LCR and TLCR values at all schools were lower than 10-6, indicating virtual safety. DBA, BaP and BbF were the predominant contributors to cancer effects in all schools.
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Affiliation(s)
- Mansour A. Alghamdi
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia; (M.Y.A.S.); (M.I.K.)
| | - Salwa K. Hassan
- Air Pollution Department, National Research Centre, El Behooth Str., Dokki, Giza 12622, Egypt;
| | - Noura A. Alzahrani
- Office of Education/South Jeddah (Girls), Department of Primary Grades, Ministry of Education, Jeddah 23524, Saudi Arabia;
| | - Marwan Y. Al Sharif
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia; (M.Y.A.S.); (M.I.K.)
| | - Mamdouh I. Khoder
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, P.O. Box 80208, Jeddah 21589, Saudi Arabia; (M.Y.A.S.); (M.I.K.)
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15
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Mohammed AM, Ibrahim YH, Saleh IA. Estimation of hospital admission respiratory disease cases attributed to exposure to SO 2 and NO 2 in two different sectors of Egypt. Afr Health Sci 2019; 19:2892-2905. [PMID: 32127865 PMCID: PMC7040343 DOI: 10.4314/ahs.v19i4.11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Air Q2.2.3 was used to predicted hospital admissions respiratory disease cases due to SO2 and NO2 exposure in two sectors of Egypt during December 2015 to November 2016. Levels were 19, 22 µg/m3 at Ain Sokhna sector and 92, 78 µg/m3 at Shoubra El-Khaima sector for SO2 and NO2, respectively. These levels were less than the Egyptian Permissible limits (125 µg/m3 in urban and 150 µg/m3 in industrial for SO2, 150 µg/m3 in urban and industrial for NO2). Results showed that relative risks were 1.0330 (1.0246 - 1.0414) and 1.0229 (1.0171 - 1.0287) at Ain Sokhna sector while they were 1.0261 (1.0195 - 1.0327) and 1.0226 (1.0169 - 1.0283) at Shoubra El-Khaima sector for SO2 and NO2, respectively. The highest cases of HARD were found in Shoubra El-Khaima sector; 311 cases at 120 - 129 µg/m3 of SO2 and 234 cases at 120 - 129 µg/m3 of NO2. While, in Ain Sokhna, HARD were 18 cases at 50 - 59 µg/m3 of SO2 and 15 cases at 60 - 69 µg/m3 of NO2. The excess cases found in Shoubra El-Khaima sector as compared to those in Ain Sokhna sector, may be attributed to the higher density of population and industries in Shoubra El-Khaima sector.
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Affiliation(s)
- Atef Mf Mohammed
- Air Pollution Research Department, Environmental Research Division, National Research Centre, Giza, Egypt
| | - Yasser H Ibrahim
- Air Pollution Research Department, Environmental Research Division, National Research Centre, Giza, Egypt
| | - Inas A Saleh
- Air Pollution Research Department, Environmental Research Division, National Research Centre, Giza, Egypt
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16
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Kalisa E, Archer S, Nagato E, Bizuru E, Lee K, Tang N, Pointing S, Hayakawa K, Lacap-Bugler D. Chemical and Biological Components of Urban Aerosols in Africa: Current Status and Knowledge Gaps. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E941. [PMID: 30875989 PMCID: PMC6466367 DOI: 10.3390/ijerph16060941] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 12/22/2022]
Abstract
Aerosolized particulate matter (PM) is a complex mixture that has been recognized as the greatest cause of premature human mortality in low- and middle-income countries. Its toxicity arises largely from its chemical and biological components. These include polycyclic aromatic hydrocarbons (PAHs) and their nitro-derivatives (NPAHs) as well as microorganisms. In Africa, fossil fuel combustion and biomass burning in urban settings are the major sources of human exposure to PM, yet data on the role of aerosols in disease association in Africa remains scarce. This review is the first to examine studies conducted in Africa on both PAHs/NPAHs and airborne microorganisms associated with PM. These studies demonstrate that PM exposure in Africa exceeds World Health Organization (WHO) safety limits and carcinogenic PAHs/NPAHs and pathogenic microorganisms are the major components of PM aerosols. The health impacts of PAHs/NPAHs and airborne microbial loadings in PM are reviewed. This will be important for future epidemiological evaluations and may contribute to the development of effective management strategies to improve ambient air quality in the African continent.
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Affiliation(s)
- Egide Kalisa
- Institute for Applied Ecology New Zealand, School of Science, Auckland University of Technology, Auckland 1142, New Zealand.
- School of Sciences, College of Science and Technology, University of Rwanda, P.O. Box 4285, Kigali, Rwanda.
| | - Stephen Archer
- Institute for Applied Ecology New Zealand, School of Science, Auckland University of Technology, Auckland 1142, New Zealand.
| | - Edward Nagato
- Institute of Natural and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan.
| | - Elias Bizuru
- School of Sciences, College of Science and Technology, University of Rwanda, P.O. Box 4285, Kigali, Rwanda.
| | - Kevin Lee
- Institute for Applied Ecology New Zealand, School of Science, Auckland University of Technology, Auckland 1142, New Zealand.
| | - Ning Tang
- Institute of Natural and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan.
| | - Stephen Pointing
- Yale NUS-College and Department of Biological Sciences, National University of Singapore, Singapore 138527, Singapore.
| | - Kazuichi Hayakawa
- Institute of Natural and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan.
| | - Donnabella Lacap-Bugler
- Institute for Applied Ecology New Zealand, School of Science, Auckland University of Technology, Auckland 1142, New Zealand.
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17
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Javed W, Iakovides M, Stephanou EG, Wolfson JM, Koutrakis P, Guo B. Concentrations of aliphatic and polycyclic aromatic hydrocarbons in ambient PM 2.5 and PM 10 particulates in Doha, Qatar. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2019; 69:162-177. [PMID: 30199331 DOI: 10.1080/10962247.2018.1520754] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Organic carbon (OC), elemental carbon (EC), and 90 organic compounds (36 polycyclic aromatic hydrocarbons [PAHs], 25 n-alkane homologues, 17 hopanes, and 12 steranes) were concurrently quantified in atmospheric particulate matter of PM2.5 and PM10. The 24-hr PM samples were collected using Harvard Impactors at a suburban site in Doha, Qatar, from May to December 2015. The mass concentrations (mean ± standard deviation) of PM2.5 and PM10 were 40 ± 15 and 145 ± 70 µg m-3, respectively, exceeding the World Health Organization (WHO) air quality guidelines. Coarse particles comprised 70% of PM10. Total carbonaceous contents accounted for 14% of PM2.5 and 10% of PM10 particulate mass. The major fraction (90%) of EC was associated with the PM2.5. In contrast, 70% of OC content was found in the PM2.5-10 fraction. The secondary OC accounted for 60-68% of the total OC in both PM fractions, indicating photochemical conversions of organics are much active in the area due to higher air temperatures and solar radiations. Among the studied compounds, n-alkanes were the most abundant group, followed by PAHs, hopanes, and steranes. n-Alkanes from C25 to C35 prevailed with a predominance of odd carbon numbered congeners (C27-C31). High-molecular-weight PAHs (5-6 rings) also prevailed, within their class, with benzo[b + j]fluoranthene (Bb + jF) being the dominant member. PAHs were mainly (80%) associated with the PM2.5 fraction. Local vehicular and fugitive emissions were predominant during low-speed southeasterly winds from urban areas, while remote petrogenic/biogenic emissions were particularly significant under prevailing northwesterly wind conditions. Implications: An unprecedented study in Qatar established concentration profiles of EC, OC, and 90 organic compounds in PM2.5 and PM10. Multiple tracer organic compounds for each source can be used for convincing source apportionment. Particle concentrations exceeded WHO air quality guidelines for 82-96% of the time, revealing a severe problem of atmospheric PM in Doha. Dominance of EC and PAHs in fine particles signifies contributions from combustion sources. Dependence of pollutants concentrations on wind speed and direction suggests their significant temporal and spatial variability, indicating opportunities for improving the air quality by identifying sources of airborne contaminants.
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Affiliation(s)
- Wasim Javed
- a Mechanical Engineering Program , Texas A&M University at Qatar , Doha , Qatar
| | - Minas Iakovides
- b Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry , University of Crete , Heraklion , Greece
- c The Cyprus Institute , Aglantzia , Republic of Cyprus
| | - Euripides G Stephanou
- b Environmental Chemical Processes Laboratory (ECPL), Department of Chemistry , University of Crete , Heraklion , Greece
- c The Cyprus Institute , Aglantzia , Republic of Cyprus
| | - Jack M Wolfson
- d Department of Environmental Health , Harvard T.H. Chan School of Public Health , Boston , MA , USA
| | - Petros Koutrakis
- d Department of Environmental Health , Harvard T.H. Chan School of Public Health , Boston , MA , USA
| | - Bing Guo
- a Mechanical Engineering Program , Texas A&M University at Qatar , Doha , Qatar
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18
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Hassan SK, Mohammed AMF, Khoder MI. Characterization and Health Risk Assessment of Human Exposure to PAHs in Dust Deposited on Leaves of Street Trees in Egypt. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2018.1517810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Salwa K. Hassan
- Air Pollution Research Department, National Research Centre, Giza, Egypt
| | | | - Mamdouh I. Khoder
- Air Pollution Research Department, National Research Centre, Giza, Egypt
- Environmental Sciences Department, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
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Li B, Wu S, Zhou S, Wang T, Wang C. Spatiotemporal distribution and dynamic modeling of atmospheric gaseous polycyclic aromatic hydrocarbons in a rapidly urbanizing city: Nanjing, China. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:2603-2616. [PMID: 30006853 DOI: 10.1007/s10653-018-0126-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 05/15/2018] [Indexed: 06/08/2023]
Abstract
Multiple studies have evaluated the concentration and lung cancer risk of polycyclic aromatic hydrocarbons (PAHs). However, the monitoring and dynamic modeling of PAHs with a high resolution were relatively insufficient. We investigated the spatiotemporal distribution of gaseous PAH concentrations using passive air samplers with high sampling density in an industrial city of Nanjing, China (January and October 2015) and found that the gaseous PAH concentrations in western Nanjing were higher than those in eastern Nanjing, mainly because of emission source distribution and wind action. There were notable seasonal changes in PAH concentrations: winter > autumn > spring > summer. We developed an atmospheric PAH dynamic model with a high resolution of 1 km2 based on the advection-diffusion equation and coupled with an emissions inventory and atmospheric transportation processes. Acenaphthene was selected as a proxy for gaseous PAHs. The modeled acenaphthene concentrations were similar to the concentrations measured. Moreover, we used the model to identify the impact of meteorological factors on gaseous PAHs via scenario analysis and found that a narrow-range temperature change and even heavy rainfall may not significantly affect atmospheric gaseous PAH concentrations, whereas the wind played an important part in transferring PAHs and changing their geographic distribution.
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Affiliation(s)
- Baojie Li
- Key Laboratory of Coastal Zone Exploitation and Protection, Ministry of Land and Resources, Nanjing, 210017, People's Republic of China
- School of Geographic and Oceanographic Sciences, Nanjing University, 163 Xianlin Road, Nanjing, 210023, People's Republic of China
| | - Shaohua Wu
- Institute of land and urban-rural development, Zhejiang University of Finance & Economics, 18 Xueyuan Street, Hangzhou, 310018, People's Republic of China.
| | - Shenglu Zhou
- Key Laboratory of Coastal Zone Exploitation and Protection, Ministry of Land and Resources, Nanjing, 210017, People's Republic of China.
- School of Geographic and Oceanographic Sciences, Nanjing University, 163 Xianlin Road, Nanjing, 210023, People's Republic of China.
| | - Teng Wang
- School of Geographic and Oceanographic Sciences, Nanjing University, 163 Xianlin Road, Nanjing, 210023, People's Republic of China
| | - Chunhui Wang
- Key Laboratory of Coastal Zone Exploitation and Protection, Ministry of Land and Resources, Nanjing, 210017, People's Republic of China
- School of Geographic and Oceanographic Sciences, Nanjing University, 163 Xianlin Road, Nanjing, 210023, People's Republic of China
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20
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Particle-Bound Polycyclic Aromatic Hydrocarbon in the Atmosphere of Heavy Traffic Areas in Greater Cairo, Egypt: Status, Source, and Human Health Risk Assessment. ATMOSPHERE 2018. [DOI: 10.3390/atmos9100368] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Airborne particulate samples were collected from three main squares (Ramsis, El Giza, and Sphinx) representing heavy traffic areas in Greater Cairo during the period of December 2015–February 2016, and analysed for polycyclic aromatic hydrocarbon (PAHs). The maximum concentrations of particle-bound PAHs were observed at El Giza, while the minimum levels were recorded at Sphinx. The levels of particle-bound PAHs in the square areas of Greater Cairo are higher than those found in many different locations in Egypt and around the world.The distribution of individual particle-bound PAHs as well as PAH categories, depending on the ring number in Ramsis, El Giza, and Sphinx, wasquite similar. This similarity implies similar emission sources of PAHs in the three square areas, with vehicle exhaust emissions being the dominant one. Benzo[b]fluoranthene (BbF), benzo[ghi]perylene (BGP), and indeno[1,2,3-cd]pyrene(IND) were the most abundant PAH compounds. Diagnostic concentration ratios of PAH compounds in the three square locations suggest that both petrogenic and pyrogenic sources emit these compounds. Moreover, they originate mainly from traffic emissions in the study areas. Based on the calculated benzo[a]pyrene equivalent (BaPeq) for the individual particle-bound PAH compounds, health risks associated with the inhalation of these compounds were assessed. Total carcinogenic activity (TCA) for all measured PAHs represented 20.03% (El Giza), 20.40% (Ramsis), and 20.60% (Sphinx) of the total PAH concentrations. Benzo[a]pyrene (BaP) and dibenz[a,h]anthracene (DBA) were the highest contributors to the total health risks; these accounted for 42.72% and 38.50% (El Giza), 41.79% and 39.17% (Ramsis), and 42.92% and 37.78% (Sphinx) of the TCA of all PAH compounds, respectively. These results indicate the importance of BaP and DBA as surrogate compounds for PAHs in the atmosphere of square areas of Greater Cairo.
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21
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Dat ND, Chang MB. Review on characteristics of PAHs in atmosphere, anthropogenic sources and control technologies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 609:682-693. [PMID: 28763665 DOI: 10.1016/j.scitotenv.2017.07.204] [Citation(s) in RCA: 192] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/21/2017] [Accepted: 07/23/2017] [Indexed: 05/18/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds composed of multiple aromatic rings. PAHs are ubiquitous atmospheric pollutants which are well-recognized as carcinogenic, teratogenic and genotoxic compounds. PAHs are released from incomplete combustion or pyrolysis of materials containing carbon and hydrogen, such as coal, oil, wood and petroleum products. Understanding the characteristics of PAHs in atmosphere, source profiles and technologies available for controlling PAHs emission is essential to reduce the impacts of PAHs. This paper offers an overview on concentration and distribution of atmospheric PAHs, emission factors and distribution of PAHs in different sources, and available control technologies. Characteristics of atmospheric PAHs vary with meteorological conditions and emission sources, while characteristics of PAHs emission depend on burned material and combustion condition. Combination of some technologies may be necessary for effective removal of both low-ring and high-ring PAHs.
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Affiliation(s)
- Nguyen-Duy Dat
- Graduate Institute of Environmental Engineering, National Central University, Chungli 320, Taiwan
| | - Moo Been Chang
- Graduate Institute of Environmental Engineering, National Central University, Chungli 320, Taiwan.
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22
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Romagnoli P, Vichi F, Balducci C, Imperiali A, Perilli M, Paciucci L, Petracchini F, Cecinato A. Air quality study in the coastal city of Crotone (Southern Italy) hosting a small-size harbor. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25260-25275. [PMID: 28929369 DOI: 10.1007/s11356-017-0126-8] [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: 03/06/2017] [Accepted: 09/05/2017] [Indexed: 06/07/2023]
Abstract
Particulate polycyclic aromatic hydrocarbons (PAHs), n-alkanes, and gaseous pollutants were collected from the harbor and the urban area of Crotone (Southern Italy) in October 2015. The atmospheric concentrations of organic substances associated to PM10 were determined daily, while gaseous pollutants (BTEX, O3, SO2, NOx, NO2, and NH3) were monitored on monthly basis by means of diffusive sampling. Total PAHs reached, on the average, 1.56 ± 0.72, 0.33 ± 0.14, and 0.59 ± 0.37 ng/m3 at the urban monitoring stations (Fiore, Fermi) and at the harbor, respectively. The percent distribution and diagnostic concentration ratios of PAHs were similar at Fermi and harbor, whereas differences were found through comparison with Fiore site. Biogenic n-alkanes (n-C29, and n-C31) were the most abundant components, indicating the important impact of terrestrial higher plants in all sites. On the other hand, n-C23-n-C25 homologs originated from incomplete combustion of fossil fuel were not negligible (CPI2.5 = 2.4) in harbor, confirming the role of anthropogenic sources there. Inside the harbor, SO2 concentrations ranged from 5.6 to 14.8 μg/m3 showing the maximum value within the old part of the harbor (touristic port). A statistical significant difference between the harbor and the surroundings was indeed observed for this pollutant, which is a specific marker of ship emissions. The other gaseous species monitored did not exhibit the same distribution, with exception of NH3 and benzene, whose concentration values ranged from 2.8 to 6.9 μg/m3 and 0.3 to 1.4 μg/m3, respectively, and peaked at the same harbor site. Similarities were found in NOx, NO2, and O3 concentration distributions, showing high values in the New Port area.
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Affiliation(s)
- Paola Romagnoli
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy.
| | - Francesca Vichi
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Catia Balducci
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Andrea Imperiali
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Mattia Perilli
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Lucia Paciucci
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Francesco Petracchini
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
| | - Angelo Cecinato
- National Research Council of Italy, Institute of Atmospheric Pollution Research (CNR-IIA), Via Salaria km 29.3, P.O. Box 10, I-00015, Monterotondo, RM, Italy
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Verma PK, Sah D, Kumari KM, Lakhani A. Atmospheric concentrations and gas-particle partitioning of polycyclic aromatic hydrocarbons (PAHs) and nitro-PAHs at Indo-Gangetic sites. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2017; 19:1051-1060. [PMID: 28745351 DOI: 10.1039/c7em00168a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Aerosol samples in the dual-phase (gaseous and particulate) were collected simultaneously for the first time in Agra at a rural and a traffic dominated site during post-monsoon and winter seasons to investigate the gas-particle partitioning of polycyclic aromatic hydrocarbons (PAHs). The samples were collected using a high volume sampler on quartz micro-fiber filter papers and polyurethane foam plugs for particulate and gas phases respectively. The samples were extracted in a mixture of DCM and n-hexane. 16 priority PAHs and two nitro-PAHs were analyzed using gas chromatograph-mass spectrometry. The total concentration of PAHs (gas + particulate) was 4015 and 624 ng m-3 at the traffic and rural sites respectively. Two and three ring PAHs were dominant in the gas phase while four, five and six ring PAHs were abundant in the particle phase. A statistically significant correlation (r2 = 0.69-0.98, p < 0.001) for log Kpvs. was obtained for individual PAHs at both sites where slopes varied between -2.83 and -0.04 at the traffic site and from -3.15 to -0.06 at the rural site. Regression statistics of Clausius-Clapeyron plots suggest that the concentration of highly volatile PAHs in the atmosphere is influenced by temperature. The gas-particle partitioning coefficient Kp in its logarithmic form correlated with 1/T (r2 = 0.5-0.95, p < 0.001) and a positive slope for individual PAHs was found. In health risk assessment DbA was found to be the most carcinogenic and mutagenic as compared to other PAHs followed by BaP. 1-NPyr had a larger contribution to BaP-TEQ than 3-NFla.
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Affiliation(s)
- Puneet Kumar Verma
- Department of Chemistry, Dayalbagh Educational Institute, Agra, U.P., India 282005.
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Wang T, Xia Z, Wu M, Zhang Q, Sun S, Yin J, Zhou Y, Yang H. Pollution characteristics, sources and lung cancer risk of atmospheric polycyclic aromatic hydrocarbons in a new urban district of Nanjing, China. J Environ Sci (China) 2017; 55:118-128. [PMID: 28477805 DOI: 10.1016/j.jes.2016.06.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 06/12/2016] [Accepted: 06/15/2016] [Indexed: 06/07/2023]
Abstract
This paper focused on the pollution characteristics, sources and lung cancer risk of atmospheric polycyclic aromatic hydrocarbons (PAHs) in a new urban district of Nanjing, China. Gaseous and aerosol PM2.5 (particulate matter with aerodynamic diameter smaller than 2.5μm) samples were collected in spring of 2015. Sixteen PAHs were extracted and analyzed after sampling. Firstly, arithmetic mean concentrations of PAHs and BaPeq (benzo[a]pyrene equivalent) were calculated. The mean concentrations of PAHs were 29.26±14.13, 18.14±5.37 and 48.47±16.03ng/m3 in gas phase, particle phase and both phases, respectively. The mean concentrations of BaPeq were 0.87±0.51, 2.71±2.17 and 4.06±2.31ng/m3 in gas phase, particle phase and both phases, respectively. Secondly, diagnostic ratios and principal component analysis were adopted to identify the sources of PAHs and the outcomes were the same: traffic exhaust was the predominant source followed by fuel combustion and industrial process. Finally, incremental lung cancer risk (ILCR) induced by whole year inhalation exposure to PAHs for population groups of different age and gender were estimated based on a Monte Carlo simulation. ILCR values caused by particle phase PAHs were greater than those caused by gas phase PAHs. ILCR values for adults were greater than those for other age groups. ILCR values caused by total (gas+particle) PAHs for diverse groups were all greater than the significant level (l0-6), indicating high potential lung cancer risk. Sensitivity analysis results showed that cancer slope factor for BaP inhalation exposure and BaPeq concentration had greater impact than body weight and inhalation rate on the ILCR.
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Affiliation(s)
- Tao Wang
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China.
| | - Zhonghuan Xia
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China; State Key Laboratory Cultivation Base of Geographical Environment Evolution (Jiangsu Province), Nanjing 210023, China.
| | - Minmin Wu
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
| | - Qianqian Zhang
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
| | - Shiqi Sun
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
| | - Jing Yin
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
| | - Yanchi Zhou
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Environment, Nanjing Normal University, Nanjing 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
| | - Hao Yang
- Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
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Zhu Q, Zheng M, Liu G, Zhang X, Dong S, Gao L, Liang Y. Particle size distribution and gas-particle partitioning of polychlorinated biphenyls in the atmosphere in Beijing, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:1389-1396. [PMID: 27783242 DOI: 10.1007/s11356-016-7936-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 10/19/2016] [Indexed: 06/06/2023]
Abstract
Size-fractionated samples of urban particulate matter (PM; ≤1.0, 1.0-2.5, 2.5-10, and >10 μm) and gaseous samples were simultaneously obtained to study the distribution of polychlorinated biphenyls (PCBs) in the atmosphere in Beijing, China. Most recent investigations focused on the analysis of gaseous PCBs, and much less attention has been paid to the occurrence of PCBs among different PM fractions. In the present study, the gas-particle partitioning and size-specific distribution of PCBs in atmosphere were investigated. The total concentrations (gas + particle phase fractions) of Σ12 dioxin-like PCBs, Σ7 indicator PCBs, and ΣPCBs were 1.68, 42.1, and 345 pg/m3, respectively. PCBs were predominantly in the gas phase (86.8-99.0 % of the total concentrations). The gas-particle partition coefficients (K p ) of PCBs were found to be a significant linear correlated with the subcooled liquid vapor pressures (P L0) (R 2 = 0.83, P < 0.01). The slope (m r ) implied that the gas-particle partitioning of PCBs was affected both by the mechanisms of adsorption and absorption. In addition, the concentrations of PCBs increased as the particle size decreased (>10, 2.5-10, 1.0-2.5, and ≤1.0 μm), with most of the PCBs contained in the fraction of ≤1.0 μm (53.4 % of the total particulate concentrations). Tetra-CBs were the main homolog in the air samples in the gas phase and PM fractions, followed by tri-CBs. This work will contribute to the knowledge of PCBs among different PM fractions and fill the gap of the size distribution of particle-bound dioxin-like PCBs in the air.
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Affiliation(s)
- Qingqing Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Minghui Zheng
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
- Institute of Environment and Health, Jianghan University, Wuhan, 430056, China.
| | - Guorui Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xian Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shujun Dong
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lirong Gao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yong Liang
- Institute of Environment and Health, Jianghan University, Wuhan, 430056, China
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Haiba NS, Hassan IA. Monitoring and Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in the Atmosphere of Alexandria City, Egypt. Polycycl Aromat Compd 2016. [DOI: 10.1080/10406638.2016.1200102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- N. S. Haiba
- Department of Chemistry and Physics, Faculty of Education, Alexandria University, Alexandria, Egypt
| | - I. A. Hassan
- Air Pollution Laboratory (APL), Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia
- Faculty of Science, Alexandria University, Alexandria, Egypt
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Cuadras A, Rovira E, Marcé RM, Borrull F. Lung cancer risk by polycyclic aromatic hydrocarbons in a Mediterranean industrialized area. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:23215-23227. [PMID: 27604127 DOI: 10.1007/s11356-016-7566-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 08/31/2016] [Indexed: 06/06/2023]
Abstract
This study focuses on characterizing the chronic risk assessment from inhalation of polycyclic aromatic hydrocarbons (PAHs) for people living near the largest chemical complex in the Mediterranean area. Eighteen PAHs were determined in the atmospheric gas and particle phases, counting PM10 and total suspended particles. The lifetime lung cancer risk from PAH exposure was estimated, and the contribution was assessed by phases. The results obtained with the continuous lifetime scenario were compared with those obtained with different chronic scenarios. The estimated chronic risk was also compared with those reported in previous studies. PAHs were present at higher concentration in the gas phase (>84 %) with a major contribution of the most volatile PAHs, and an equitable distribution of heavy PAHs between gas and particle phases was observed. Petroleum combustion and traffic emissions were suggested as the main sources, but the influence of petrogenic sources cannot be ruled out. The estimated average lifetime lung cancer risk in this study ranged between 3.2 × 10-5 and 4.3 × 10-5. The gas phase accounted for the most significant contribution to the total risk (>60 %). Fluoranthene (FluT), dibenzo(a,h)anthracene (DahA) and benzo(a)pyrene (BaP), as a whole, made the greatest contribution to the total risk (>80 %). BaP-bound PM10 accounted for a small contribution of the total risk (10 %). Chronic exposures lower than total lifetime hours could even pose a risk >10-5. The results also showed that BaP-bound PM10, according to current legislation, may not be a good indicator of the real risk by PAH exposure. Concerning previous studies, the economic situation may have an impact on reducing the cancer risk by PAH inhalation.
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Affiliation(s)
- Anna Cuadras
- Observatory of Health and Environment of Tarragona, Public Health Agency of Catalonia, Health Department, Generalitat de Catalunya, Av. Maria Cristina, 54, 43002, Tarragona, Spain
| | - Enric Rovira
- Observatory of Health and Environment of Tarragona, Public Health Agency of Catalonia, Health Department, Generalitat de Catalunya, Av. Maria Cristina, 54, 43002, Tarragona, Spain
| | - Rosa Maria Marcé
- Department of Organic Chemistry and Analytical Chemistry, Universitat Rovira i Virgili, Marcel·lí Domingo s/n, Campus Sescelades, 43007, Tarragona, Spain.
- Chemistry Technology Center (CTQ), Marcel·lí Domingo, s/n. Campus Sescelades, 43007, Tarragona, Spain.
| | - Francesc Borrull
- Department of Organic Chemistry and Analytical Chemistry, Universitat Rovira i Virgili, Marcel·lí Domingo s/n, Campus Sescelades, 43007, Tarragona, Spain
- Chemistry Technology Center (CTQ), Marcel·lí Domingo, s/n. Campus Sescelades, 43007, Tarragona, Spain
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Chofre C, Gil-Moltó J, Galindo N, Varea M, Caballero S. Characterization of hydrocarbons in aerosols at a Mediterranean city with a high density of palm groves. ENVIRONMENTAL MONITORING AND ASSESSMENT 2016; 188:509. [PMID: 27502520 DOI: 10.1007/s10661-016-5517-7] [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: 01/19/2016] [Accepted: 07/28/2016] [Indexed: 06/06/2023]
Abstract
Samples of PM1 and PM10 were collected for 1 year at an urban background station in the city of Elche (southeastern Spain) and analyzed to determine the content of n-alkanes and polycyclic aromatic hydrocarbons (PAHs). A few samples were also gathered at a second sampling point established at one of the several palm tree gardens of the city in order to evaluate the influence of biogenic emissions on the urban levels of n-alkanes. Diagnostic parameters obtained for aliphatic hydrocarbons (carbon maximum number (C max), carbon preference index (CPI), and wax n-alkane content (%WNA)) revealed a higher contribution of biogenic n-alkanes in PM10 than in PM1. Moreover, the values of %WNA indicated that the levels of n-alkanes in Elche were more affected by emissions from terrestrial vegetation than in other urban areas, particularly in the palm tree grove location (%WNA = 29 for PM10). PAH diagnostic ratios pointed to traffic as the main anthropogenic source of hydrocarbons in Elche, with predominance of diesel versus gasoline vehicle emissions. The average levels of total PAHs (~1 ng m(-3)) were noticeably lower than the values registered at other urban areas in Europe, most likely because emissions from other sources are scarce. Both aliphatic and aromatic hydrocarbons showed higher levels in the cold season due to the lower atmospheric dispersion conditions, the increase in traffic exhaust emissions, and the lower ambient temperatures that reduce the evaporation of semivolatile species.
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Affiliation(s)
- Carolina Chofre
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de la Universidad S/N, 03202, Elche, Spain
| | - Juan Gil-Moltó
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de la Universidad S/N, 03202, Elche, Spain.
| | - Nuria Galindo
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de la Universidad S/N, 03202, Elche, Spain
| | - Montse Varea
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de la Universidad S/N, 03202, Elche, Spain
| | - Sandra Caballero
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de la Universidad S/N, 03202, Elche, Spain
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Paulik LB, Donald CE, Smith BW, Tidwell LG, Hobbie KA, Kincl L, Haynes EN, Anderson KA. Emissions of Polycyclic Aromatic Hydrocarbons from Natural Gas Extraction into Air. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:7921-9. [PMID: 27400263 PMCID: PMC5134738 DOI: 10.1021/acs.est.6b02762] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Natural gas extraction, often referred to as "fracking", has increased rapidly in the United States in recent years. To address potential health impacts, passive air samplers were deployed in a rural community heavily affected by the natural gas boom. Samplers were analyzed for 62 polycyclic aromatic hydrocarbons (PAHs). Results were grouped based on distance from each sampler to the nearest active well. Levels of benzo[a]pyrene, phenanthrene, and carcinogenic potency of PAH mixtures were highest when samplers were closest to active wells. PAH levels closest to natural gas activity were comparable to levels previously reported in rural areas in winter. Sourcing ratios indicated that PAHs were predominantly petrogenic, suggesting that PAH levels were influenced by direct releases from the earth. Quantitative human health risk assessment estimated the excess lifetime cancer risks associated with exposure to the measured PAHs. At sites closest to active wells, the risk estimated for maximum residential exposure was 0.04 in a million, which is below the U.S. Environmental Protection Agency's acceptable risk level. Overall, risk estimates decreased 30% when comparing results from samplers closest to active wells to those farthest from them. This work suggests that natural gas extraction is contributing PAHs to the air, at levels that would not be expected to increase cancer risk.
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Affiliation(s)
- L. Blair Paulik
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Carey E. Donald
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Brian W. Smith
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Lane G. Tidwell
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Kevin A. Hobbie
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Laurel Kincl
- College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon 97331, United States
| | - Erin N. Haynes
- Department of Environmental Health, University of Cincinnati, Cincinnati, Ohio 45267, United States
| | - Kim A. Anderson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331, United States
- Corresponding Author: 1007 Ag & Life Sciences Building, Corvallis, Oregon 97331, United States; Phone: 541-737-8501; Fax: 541-737-0497;
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Hong WJ, Jia H, Ma WL, Sinha RK, Moon HB, Nakata H, Minh NH, Chi KH, Li WL, Kannan K, Sverko E, Li YF. Distribution, Fate, Inhalation Exposure and Lung Cancer Risk of Atmospheric Polycyclic Aromatic Hydrocarbons in Some Asian Countries. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:7163-74. [PMID: 27268081 DOI: 10.1021/acs.est.6b01090] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
A large-scale monitoring program, the Asia Soil and Air Monitoring Program (Asia-SAMP), was conducted in five Asian countries, including China, Japan, South Korea, Vietnam, and India. Air samples were collected using passive air samplers with polyurethane foam disks over four consecutive 3-month periods from September 2012 to August 2013 to measure the seasonal concentrations of 47 polycyclic aromatic hydrocarbons (PAHs), including 21 parent and 26 alkylated PAHs, at 176 sites (11 background, 83 rural, and 82 urban). The annual concentrations of total 47 PAHs (∑47PAHs) at all sites ranged from 6.29 to 688 ng/m(3) with median of 82.2 ng/m(3). Air concentrations of PAHs in China, Vietnam, and India were greater than those in Japan and South Korea. As expected, the air concentrations (ng/m(3)) were highest at urban sites (143 ± 117) followed by rural (126 ± 147) and background sites (22.4 ± 11.4). Significant positive correlations were found between PAH concentrations and atmosphere aerosol optical depth. The average benzo(a)pyrene equivalent concentration (BaPeq) was 5.61 ng/m(3). It was estimated that the annual BaPeq concentrations at 78.8% of the sampling sites exceeded the WHO guideline level. The mean population attributable fraction (PAF) for lung cancer due to inhalation exposure to outdoor PAHs was on the order 8.8‰ (0.056-52‰) for China, 0.38‰ (0.007-3.2‰) for Japan, 0.85‰ (0.042-4.5‰) for South Korea, 7.5‰ (0.26-27‰) for Vietnam, and 3.2‰ (0.047-20‰) for India. We estimated a number of lifetime excess lung cancer cases caused by exposure to PAHs, which the concentrations ranging from 27.8 to 2200, 1.36 to 108, 2.45 to 194, 21.8 to 1730, and 9.10 to 720 per million people for China, Japan, South Korea, Vietnam, and India, respectively. Overall, the lung cancer risk in China and Vietnam were higher than that in Japan, South Korea, and India.
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Affiliation(s)
- Wen-Jun Hong
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), College of Environmental Science and Engineering, Dalian Maritime University , Dalian 116026, China
| | - Hongliang Jia
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), College of Environmental Science and Engineering, Dalian Maritime University , Dalian 116026, China
| | - Wan-Li Ma
- IJRC-PTS, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology , Harbin 150090, China
| | | | - Hyo-Bang Moon
- IJRC-PTS, Department of Marine Sciences and Convergent Technology, Hanyang University , 55 Hanyangdaehak-ro, Sangnok-gu, Ansan city, Gyeonggi-do 426-791, Republic of Korea
| | - Haruhiko Nakata
- IJRC-PTS, Graduate School of Science and Technology, Kumamoto University , 2-39-1 Kurokami, Kumamoto 860-8555, Japan
| | - Nguyen Hung Minh
- DIOXIN LABORATORY, Center for Environmental Monitoring (CEM), Vietnam Environmental Administration (VEA) , 556 Nguyen Van Cu, Long Bien, Ha Noi, Vietnam
| | - Kai Hsien Chi
- Institute of Environmental and Occupational Health Sciences, National Yang Ming University , Taipei 112, Taiwan
| | - Wen-Long Li
- IJRC-PTS, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology , Harbin 150090, China
| | - Kurunthachalam Kannan
- IJRC-PTS, Wadsworth Center, New York State Department of Health, Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany , Empire State Plaza, P.O. Box 509, Albany, New York 12201-0509, United States
| | - Ed Sverko
- IJRC-PTS, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology , Harbin 150090, China
| | - Yi-Fan Li
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), College of Environmental Science and Engineering, Dalian Maritime University , Dalian 116026, China
- IJRC-PTS, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology , Harbin 150090, China
- IJRC-PTS-NA , Toronto, M2N 6X9, Canada
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Bayraktar H, Paloluoğlu C, Turalioğlu FS, Gaga EO. A multipoint (49 points) study of dry deposition of polycyclic aromatic hydrocarbons (PAHs) in Erzurum, Turkey by using surrogated snow surface samplers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:12400-12413. [PMID: 26983812 DOI: 10.1007/s11356-016-6427-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 03/07/2016] [Indexed: 06/05/2023]
Abstract
Dry deposition of atmospheric 18 polycyclic aromatic hydrocarbon (PAH) components was investigated in the scope of the study by using surrogate snow samplers at 49 different sampling points in and around the city center of Erzurum, Turkey. Snow was sampled twice, the first of which was taken immediately after the first fresh snow cover and placed into aluminum trays to obtain dry deposition surface while the second sample was taken from the snow cover (accumulated snow) exposed to an 8-day dry deposition period and then analyzed and extracted. All the samples taken from the samplers were extracted using solid and liquid phase extraction and analyzed through GC-MS. It was observed that at the end of an 8-day dry period, snow samples enriched 5.5 times more in PAH components than the baseline. PAH deposition was determined to be influenced mainly by coal, mixed source, traffic, diesel fuel, and petrol fuel at 43, 27, 20, 8, and 2 % of sampling points, respectively. Local polluting sources were found to be effective on the spatial distribution of dry deposition of PAH components in urban area.
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Affiliation(s)
- Hanefi Bayraktar
- Faculty of Engineering, Department of Environmental Engineering, Atatürk University, 25240, Erzurum, Turkey.
| | - Cihan Paloluoğlu
- Faculty of Engineering, Department of Environmental Engineering, Atatürk University, 25240, Erzurum, Turkey
| | - Fatma S Turalioğlu
- Faculty of Engineering, Department of Environmental Engineering, Atatürk University, 25240, Erzurum, Turkey
| | - Eftade O Gaga
- Engineering Faculty, Department of Environmental Engineering, Anadolu University, Eskişehir, Turkey
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Gregoris E, Barbaro E, Morabito E, Toscano G, Donateo A, Cesari D, Contini D, Gambaro A. Impact of maritime traffic on polycyclic aromatic hydrocarbons, metals and particulate matter in Venice air. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:6951-6959. [PMID: 26681325 DOI: 10.1007/s11356-015-5811-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 11/13/2015] [Indexed: 06/05/2023]
Abstract
Harbours are important hubs for economic growth in both tourism and commercial activities. They are also an environmental burden being a source of atmospheric pollution often localized near cities and industrial complexes. The aim of this study is to quantify the relative contribution of maritime traffic and harbour activities to atmospheric pollutant concentration in the Venice lagoon. The impact of ship traffic was quantified on various pollutants that are not directly included in the current European legislation for shipping emission reduction: (i) gaseous and particulate PAHs; (ii) metals in PM10; and (iii) PM10 and PM2.5. All contributions were correlated with the tonnage of ships during the sampling periods and results were used to evaluate the impact of the European Directive 2005/33/EC on air quality in Venice comparing measurements taken before and after the application of the Directive (year 2010). The outcomes suggest that legislation on ship traffic, which focused on the issue of the emissions of sulphur oxides, could be an efficient method also to reduce the impact of shipping on primary particulate matter concentration; on the other hand, we did not observe a significant reduction in the contribution of ship traffic and harbour activities to particulate PAHs and metals. Graphical abstract Impact of maritime traffic on polycyclic aromatic hydrocarbons, metals and particulate matter and evaluation of the effect of an European Directive on air quality in Venice.
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Affiliation(s)
- Elena Gregoris
- Department of Environmental Science Informatics and Statistics, Ca' Foscari University of Venice, Via Torino 155, Venice Mestre, Italy.
- Institute for the Dynamics of Environmental Processes, National Research Council, Via Torino 155, Venice Mestre, Italy.
| | - Elena Barbaro
- Department of Environmental Science Informatics and Statistics, Ca' Foscari University of Venice, Via Torino 155, Venice Mestre, Italy
- Institute for the Dynamics of Environmental Processes, National Research Council, Via Torino 155, Venice Mestre, Italy
| | - Elisa Morabito
- Department of Environmental Science Informatics and Statistics, Ca' Foscari University of Venice, Via Torino 155, Venice Mestre, Italy
- Institute for the Dynamics of Environmental Processes, National Research Council, Via Torino 155, Venice Mestre, Italy
| | - Giuseppa Toscano
- Department of Environmental Science Informatics and Statistics, Ca' Foscari University of Venice, Via Torino 155, Venice Mestre, Italy
| | - Antonio Donateo
- Institute of Atmospheric Science and Climate, National Research Council, Str. prov. Lecce-Monteroni km 1.2, Lecce, Italy
| | - Daniela Cesari
- Institute of Atmospheric Science and Climate, National Research Council, Str. prov. Lecce-Monteroni km 1.2, Lecce, Italy
| | - Daniele Contini
- Institute of Atmospheric Science and Climate, National Research Council, Str. prov. Lecce-Monteroni km 1.2, Lecce, Italy
| | - Andrea Gambaro
- Department of Environmental Science Informatics and Statistics, Ca' Foscari University of Venice, Via Torino 155, Venice Mestre, Italy
- Institute for the Dynamics of Environmental Processes, National Research Council, Via Torino 155, Venice Mestre, Italy
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Karaca G. Spatial Distribution of Polycyclic Aromatic Hydrocarbon (PAH) Concentrations in Soils from Bursa, Turkey. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 70:406-417. [PMID: 26658619 DOI: 10.1007/s00244-015-0248-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 11/21/2015] [Indexed: 06/05/2023]
Abstract
The objectives of this study were to identify regional variations in soil polycyclic aromatic hydrocarbon (PAH) contamination in Bursa, Turkey, and to determine the distributions and sources of various PAH species and their possible sources. Surface soil samples were collected from 20 different locations. The PAH concentrations in soil samples were analyzed using gas chromatography-mass spectrometry (GC-MS). The total PAH concentrations (∑12 PAH) varied spatially between 8 and 4970 ng/g dry matter (DM). The highest concentrations were measured in soils taken from traffic+barbecue+ residential areas (4970 ng/g DM) and areas with cement (4382 ng/g DM) and iron-steel (4000 ng/g DM) factories. In addition, the amounts of ∑7 carcinogenic PAH ranged from 1 to 3684 ng/g DM, and between 5 and 74 % of the total PAHs consisted of such compounds. Overall, 4-ring PAH compounds (Fl, Pyr, BaA and Chr) were dominant in the soil samples, with 29-82 % of the ∑12 PAH consisting of 4-ring PAH compounds. The ∑12 BaPeq values ranged from 0.1 to 381.8 ng/g DM. Following an evaluation of the molecular diagnostic ratios, it was concluded that the PAH pollution in Bursa soil was related to pyrolytic sources; however, the impact of petrogenic sources should not be ignored.
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Affiliation(s)
- Gizem Karaca
- Department of Environmental Engineering, Faculty of Engineering, Uludag University, 16059, Nilüfer, Bursa, Turkey.
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Pollution Level, Sources, and Lung Cancer Risk of PM 10-Bound Polycyclic Aromatic Hydrocarbons (PAHs) in Summer in Nanjing, China. J CHEM-NY 2016. [DOI: 10.1155/2016/4546290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
This study concentrated on the pollution level, sources, and lung cancer risk of PM10-bound polycyclic aromatic hydrocarbons (PAHs) in summer in Nanjing, China. PM10 samples were collected in summer of the year 2015 in Nanjing. 16 USEPA (United States Environmental Protection Agency) priority PAHs were extracted and analyzed after sampling. The mean concentrations of PAHs and BaPeq were 7.49±2.60 and 1.21±0.24 ng/m3, respectively, being in a middle level among results from regions worldwide. According to the results of diagnostic ratios, PAHs originated mainly from traffic exhaust, especially diesel vehicle emissions. Owing to the inhalation exposure, the median values of incremental lung cancer risk (ILCR) were estimated to be 3.36×10-8, 2.50×10-8, 1.69×10-7, 2.54×10-8, 1.38×10-7, 1.18×10-7, 1.27×10-7, and 1.11×10-7 for boys, male adolescents, male adults, male seniors, girls, female adolescents, female adults, and female seniors, respectively, indicating low potential lung cancer risk.
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Hong Y, Chen J, Zhang F, Zhang H, Xu L, Yin L, Chen Y. Effects of urbanization on gaseous and particulate polycyclic aromatic hydrocarbons and polychlorinated biphenyls in a coastal city, China: levels, sources, and health risks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:14919-14931. [PMID: 25994262 DOI: 10.1007/s11356-015-4616-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 04/26/2015] [Indexed: 06/04/2023]
Abstract
Gas/particle distributions of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) were measured in Xiamen from May 2009 to March 2010 to evaluate the impacts of urbanization on the fate of persistent organic pollutants (POPs) in the atmospheric environment. In a newly developing area (NDA), the concentrations of 16 PAHs (gas + particle) were significantly higher than that a historically urbanized area (HUA) (p value <0.05), while the trend of 28 PCBs was reversed. Diagnostic ratios and principle component analysis (PCA) implied that atmospheric PAHs in the NDA were mainly derived from petrogenic combustion, including mixed sources of vehicle emissions, biomass burning and oil combustion, while pyrogenic combustion (e.g., traffic and coal combustion) was considered the major source of PAHs in the HUA. Atmospheric PCBs in both HUA and NDA were dominated by TriCBs and PeCBs related to the use of commercial mixtures (Aroclors 1242 and 1254). Based on the toxicological equivalent factor (TEF) approach, total benzo[a]pyrene equivalent values in the HUA and NDA were 1.12 and 2.02 ng m(-3), respectively, exceeding the standard threshold values (1.0 ng m(-3)) of China and WHO. Average daily intake of dioxin-like compounds was 0.2 pg kg(-1) day(-1) in the HUA, which are below the WHO tolerable daily intake level. The results showed that the contribution to the toxic equivalency (TEQ) was dominated by PCB169, PCB105, and PCB81.
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Affiliation(s)
- Youwei Hong
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China
- Department of Environmental Sciences, University of California, Riverside, CA, 92521, USA
| | - Jinsheng Chen
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China.
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China.
| | - Fuwang Zhang
- Environmental Monitoring Center of Fujian, Fuzhou, 350003, China
| | - Han Zhang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China.
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China.
| | - Lingling Xu
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China
| | - Liqian Yin
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China
| | - Yanting Chen
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, People's Republic of China
- Ningbo Urban Environment Observation and Research Station-NUEORS, Chinese Academy of Sciences, Ningbo, 315800, People's Republic of China
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Anderson KA, Szelewski MJ, Wilson G, Quimby BD, Hoffman PD. Modified ion source triple quadrupole mass spectrometer gas chromatograph for polycyclic aromatic hydrocarbon analyses. J Chromatogr A 2015; 1419:89-98. [PMID: 26454790 DOI: 10.1016/j.chroma.2015.09.054] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 09/14/2015] [Accepted: 09/15/2015] [Indexed: 11/25/2022]
Abstract
We describe modified gas chromatography electron-impact/triple-quadrupole mass spectrometry (GC-EI/MS/MS) utilizing a newly developed hydrogen-injected self-cleaning ion source and modified 9mm extractor lens. This instrument, with optimized parameters, achieves quantitative separation of 62 polycyclic aromatic hydrocarbons (PAHs). Existing methods historically limited rigorous identification and quantification to a small subset, such as the 16 PAHs the US EPA has defined as priority pollutants. Without the critical source and extractor lens modifications, the off-the-shelf GC-EI/MS/MS system was unsuitable for complex PAH analysis. Separations were enhanced by increased gas flow, a complex GC temperature profile incorporating multiple isothermal periods, specific ramp rates, and a PAH-optimized column. Typical determinations with our refined GC-EI/MS/MS have a large linear range of 1-10,000pgμl(-1) and detection limits of <2pgμl(-1). Included in the 62 PAHs, multiple-reaction-monitoring (MRM) mode enabled GC-EI/MS/MS identification and quantitation of several constituents of the MW 302 PAH isomers. Using calibration standards, values determined were within 5% of true values over many months. Standard curve r(2) values were typically >0.998, exceptional for compounds which are archetypally difficult. With this method benzo[a]fluorene, benzo[b]fluorene, benzo[c]fluorene were fully separated as was benzo[b]fluoranthene, benzo[k]fluoranthene, and benzo[j]fluoranthene. Chrysene and triphenylene, were sufficiently separated to allow accurate quantitation. Mean limits of detection (LODs) across all PAHs were 1.02±0.84pgμl(-1) with indeno[1,2,3-c,d] pyrene having the lowest LOD at 0.26pgμl(-1) and only two analytes above 2.0pgμl(-1); acenaphthalene (2.33pgμl(-1)) and dibenzo[a,e]pyrene (6.44pgμl(-1)).
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Affiliation(s)
- Kim A Anderson
- Department of Environmental and Molecular Toxicology, Corvallis, OR 97331, USA.
| | | | - Glenn Wilson
- Department of Environmental and Molecular Toxicology, Corvallis, OR 97331, USA
| | - Bruce D Quimby
- Agilent Technologies, Wilmington, DE 19808, United States
| | - Peter D Hoffman
- Department of Environmental and Molecular Toxicology, Corvallis, OR 97331, USA
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Paulik LB, Donald CE, Smith BW, Tidwell LG, Hobbie KA, Kincl L, Haynes EN, Anderson KA. Impact of natural gas extraction on PAH levels in ambient air. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:5203-10. [PMID: 25810398 PMCID: PMC4415607 DOI: 10.1021/es506095e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Natural gas extraction, often referred to as "fracking," has increased rapidly in the U.S. in recent years. To address potential health impacts, passive air samplers were deployed in a rural community heavily affected by the natural gas boom. Samplers were analyzed for 62 polycyclic aromatic hydrocarbons (PAHs). Results were grouped based on distance from each sampler to the nearest active well. PAH levels were highest when samplers were closest to active wells. Additionally, PAH levels closest to natural gas activity were an order of magnitude higher than levels previously reported in rural areas. Sourcing ratios indicate that PAHs were predominantly petrogenic, suggesting that elevated PAH levels were influenced by direct releases from the earth. Quantitative human health risk assessment estimated the excess lifetime cancer risks associated with exposure to the measured PAHs. Closest to active wells, the risk estimated for maximum residential exposure was 2.9 in 10 000, which is above the U.S. EPA's acceptable risk level. Overall, risk estimates decreased 30% when comparing results from samplers closest to active wells to those farthest. This work suggests that natural gas extraction may be contributing significantly to PAHs in air, at levels that are relevant to human health.
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Affiliation(s)
- L. Blair Paulik
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
| | - Carey E. Donald
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
| | - Brian W. Smith
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
| | - Lane G. Tidwell
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
| | - Kevin A. Hobbie
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
| | - Laurel Kincl
- College of Public Health and Human Sciences, Oregon State University, Corvallis, OR 97331
| | - Erin N. Haynes
- Department of Environmental Health, University of Cincinnati, Cincinnati, OH 45267
| | - Kim A. Anderson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331
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Alghamdi MA, Alam MS, Yin J, Stark C, Jang E, Harrison RM, Shamy M, Khoder MI, Shabbaj II. Receptor modelling study of polycyclic aromatic hydrocarbons in Jeddah, Saudi Arabia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 506-507:401-408. [PMID: 25460975 DOI: 10.1016/j.scitotenv.2014.10.056] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 09/23/2014] [Accepted: 10/17/2014] [Indexed: 06/04/2023]
Abstract
Measurements of 14 polycyclic aromatic hydrocarbons (PAH) have been made in Jeddah, Saudi Arabia, with a view to establishing the concentrations in this major city, and quantifying the contributions of major sources. Particulate and vapour forms have been sampled and analysed separately. The concentrations are compared to measurements from other sites in the Middle Eastern region and are towards the lower end of the range, being far lower than concentrations reported from Riyadh (Saudi Arabia), Assiut (Egypt) and Tehran (Iran) but broadly similar to those measured in Damascus (Syria) and higher than those measured in Kuwait. The partitioning between vapour and particle phases is similar to that in data from Egypt and China, but with many compounds showing a higher particle-associated percentage than in Birmingham (UK) possibly reflecting a higher concentration of airborne particulate matter in the former countries. Concentrations in Jeddah were significantly higher at a site close to the oil refinery and a site close to a major ring road than at a suburban site to the north of the city. Application of positive matrix factorisation to the pooled data elicited three factors accounting respectively for 17%, 33% and 50% of the measured sum of PAH and these are interpreted as arising from gasoline vehicles, industrial sources, particularly the oil refinery, and to diesel/fuel oil combustion.
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Affiliation(s)
- Mansour A Alghamdi
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed S Alam
- Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
| | - Jianxin Yin
- Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Christopher Stark
- Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Eunhwa Jang
- Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Roy M Harrison
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia; Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
| | - Magdy Shamy
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mamdouh I Khoder
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ibrahim I Shabbaj
- Department of Environmental Sciences, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
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Seasonal Variations in Health Hazards from Polycyclic Aromatic Hydrocarbons Bound to Submicrometer Particles at Three Characteristic Sites in the Heavily Polluted Polish Region. ATMOSPHERE 2014. [DOI: 10.3390/atmos6010001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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El-Mubarak AH, Rushdi AI, Al-Mutlaq KF, Bazeyad AY, Simonich SLM, Simoneit BRT. Occurrence of High Levels of Persistent Organic Pollutants (POPs) in Particulate Matter of the Ambient Air of Riyadh, Saudi Arabia. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2014. [DOI: 10.1007/s13369-014-1485-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Karaca G, Cindoruk SS, Tasdemir Y. Migration of polycyclic aromatic hydrocarbons (PAHs) in urban treatment sludge to the air during PAH removal applications. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2014; 64:568-577. [PMID: 24941705 DOI: 10.1080/10962247.2013.874380] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In the present study, the amounts of polycylic aromatic hydrocarbons (PAHs) penetrating into air during PAH removal applications from the urban treatment sludge were investigated. The effects of the temperature, photocatalyst type, and dose on the PAH removal efficiencies and PAH evaporation were explained. The sludge samples were taken from an urban wastewater treatment plant located in the city of Bursa, with 585,000 equivalent population. The ultraviolet C (UV-C) light of 254 nm wavelength was used within the UV applications performed on a specially designed setup. Internal air of the setup was vacuumed through polyurethane foam (PUF) columns in order to collect the evaporated PAHs from the sludge during the PAH removal applications. All experiments were performed with three repetitions. The PAH concentrations were measured by gas chromatography-mass spectrometry (GC-MS). It was observed that the amounts of PAHs penetrating into the air were increased with increase of temperature, and more than 80% of PAHs migrated to the air consisted of 3-ring compounds during the UV and UV-diethylamine (DEA) experiments at 38 and 53 degrees C. It was determined that 40% decrease was ensured in sigma12 (total of 12) PAH amounts with UV application and 13% of PAHs in sludge penetrated into the air. In the UV-TiO2 applications, a maximum 80% of sigma12 PAH removal was obtained by adding 0.5% TiO2 of dry weight of sludge. The quantity of PAH penetrating into air did not exceed 15%. UV-TiO2 applications ensured high levels of PAH removal in the sludge and also reduced the quantity of PAH penetrating into the air. Within the scope of the samples added with DEA, there was no increase in PAH removal efficiencies and the penetration of PAHs into air was not decreased. In light of these data, it was concluded that UV-TiO2 application is the most suitable PAH removal alternative that restricts the convection of PAH pollution.
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Donateo A, Gregoris E, Gambaro A, Merico E, Giua R, Nocioni A, Contini D. Contribution of harbour activities and ship traffic to PM2.5, particle number concentrations and PAHs in a port city of the Mediterranean Sea (Italy). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:9415-9429. [PMID: 24756672 DOI: 10.1007/s11356-014-2849-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 03/28/2014] [Indexed: 06/03/2023]
Abstract
In this work, an assessment of the impact of ship traffic and related harbour activities (loading/unloading of ships and hotelling in harbour) on PM 2.5 and particle number concentrations (PNC) separating the contribution associated to ship traffic from that of harbour-related activities is reported. Further, an assessment of the impact and environmental risks associated to polycyclic aromatic hydrocarbon (PAH) concentrations was performed. Results refer to the city of Brindisi (88,500 inhabitants) in the south-eastern part of Italy and its harbour (with yearly 9.5 Mt of goods, over 520,000 passengers and over 175,000 vehicles). PM2.5 and PNC concentrations show a clear daily pattern correlated with daily ship traffic pattern in the harbour. High temporal resolution measurements and correlations with wind direction were used to estimate the average direct contribution to measured concentrations of this source. The average relative contribution of ship traffic was 7.4% (±0.5%) for PM2.5 and 26% (±1%) for PNC. When the contribution associated to harbour-related activities is added, the percentages become 9.3% (±0.5%) for PM2.5 and 39% (±1%) for PNC. In the site analysed, air coming from the harbour/industrial sector was richer in PAHs (5.34 ng/m3) than air sampled from all directions (3.89 ng/m3). The major compounds were phenanthrene, fluoranthene and pyrene, but the congener profiles were different in the two direction sectors: air from the harbour/industrial sector was richer in phenanthrene and fluorene, which are the most abundant PAHs in ship emissions. Results showed that lighter PAHs are associated to the gas phase, while high molecular weight congeners are mostly present in the particulate phase. The impact on the site studied of the harbour/industrial source to PAHs was 56%(range, 29-87%).
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Affiliation(s)
- Antonio Donateo
- Istituto di Scienze dell'Atmosfera e del Clima, ISAC-CNR, 73100, Lecce, Italy,
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Gregoris E, Argiriadis E, Vecchiato M, Zambon S, De Pieri S, Donateo A, Contini D, Piazza R, Barbante C, Gambaro A. Gas-particle distributions, sources and health effects of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and polychlorinated naphthalenes (PCNs) in Venice aerosols. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 476-477:393-405. [PMID: 24486495 DOI: 10.1016/j.scitotenv.2014.01.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Revised: 01/07/2014] [Accepted: 01/08/2014] [Indexed: 06/03/2023]
Abstract
Air samples were collected in Venice during summer 2009 and 2012 to measure gas and particulate concentrations of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and polychlorinated naphthalenes (PCNs). PCB-11, considered a marker for non-Aroclor contamination of the environment, was found for the first time in the Venetian lagoon and in Europe. An investigation on sources has been conducted, evidencing traffic as the major source of PAHs, whereas PCBs have a similar composition to Aroclor 1248 and 1254; in 2009 a release of PCN-42 has been hypothesized. Toxicological evaluation by TCA and TEQ methods, conducted for the first time in Venice air samples, identified BaP, PCB-126 and PCB-169 as the most important contributors to the total carcinogenic activity of PAHs and the total dioxin-like activity of PCBs and PCNs.
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Affiliation(s)
- Elena Gregoris
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Elena Argiriadis
- Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Marco Vecchiato
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy; Department of Environment, Earth and Physical Sciences, University of Siena, Strada Laterina 8, 53100 Siena, Italy.
| | - Stefano Zambon
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Silvia De Pieri
- Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Antonio Donateo
- Institute of Atmospheric Sciences and Climate, Italian National Research Council (ISAC-CNR), Strada Provinciale Lecce-Monteroni km 1,2, 73100 Lecce, Italy.
| | - Daniele Contini
- Institute of Atmospheric Sciences and Climate, Italian National Research Council (ISAC-CNR), Strada Provinciale Lecce-Monteroni km 1,2, 73100 Lecce, Italy.
| | - Rossano Piazza
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Carlo Barbante
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
| | - Andrea Gambaro
- Institute for the Dynamics of Environmental Processes, Italian National Research Council (IDPA-CNR), Dorsoduro 2137, 30123 Venice, Italy; Department of Environmental Science, Informatics and Statistics (DAIS), University Ca' Foscari of Venice, Dorsoduro 2137, 30123 Venice, Italy.
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Abdallah MAE, Atia NN. Atmospheric concentrations, gaseous-particulate distribution, and carcinogenic potential of polycyclic aromatic hydrocarbons in Assiut, Egypt. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:8059-8069. [PMID: 24664637 DOI: 10.1007/s11356-014-2746-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 03/05/2014] [Indexed: 06/03/2023]
Abstract
The concentrations of 15 priority PAHs were determined in the atmospheric gaseous and particulate phases from nine sites across Assiut City, Egypt. While naphthalene, acenaphthene, and fluorene were the most abundant in the gaseous phase with average concentrations of 377, 184, and 181 ng/m(3), benzo[b]fluoranthene, chrysene, and benzo[g,h,i]perylene showed the highest levels in the particulate phase with average concentrations of 76, 6, and 52 ng/m(3). The average total atmospheric concentration of target PAHs (1,590 ng/m(3)) indicates that Assiut is one of the highest PAH-contaminated areas in the world. Statistical analysis revealed a significant difference between the levels of PAHs in the atmosphere of urban and suburban sites (P = 0.029 and 0.043 for gaseous and particulate phases, respectively). Investigation of diagnostic PAH concentration ratios revealed vehicular combustion and traffic exhaust emissions as the major sources of PAHs with a higher contribution of gasoline rather than diesel vehicles in the sampled areas. Benzo[a]pyrene has the highest contribution (average = 32, 4% for gaseous and particulate phases) to the total carcinogenic activity (TCA) of atmospheric PAHs. While particulate phase PAHs have higher contribution to the TCA, gaseous phase PAHs present at higher concentrations in the atmosphere are more capable of undergoing atmospheric reactions to form more toxic derivatives.
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Affiliation(s)
- Mohamed Abou-Elwafa Abdallah
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, 71526, Egypt,
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El-Mubarak AH, Rushdi AI, Al-Mutlaq KF, Bazeyad AY, Simonich SLM, Simoneit BRT. Identification and source apportionment of polycyclic aromatic hydrocarbons in ambient air particulate matter of Riyadh, Saudi Arabia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:558-67. [PMID: 23812790 DOI: 10.1007/s11356-013-1946-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Accepted: 06/17/2013] [Indexed: 05/23/2023]
Abstract
In an effort to assess the occurrence and sources of polycyclic aromatic hydrocarbons (PAHs) in the ambient air of Riyadh, Saudi Arabia, PM10 samples were collected during December 2010. Diagnostic PAH concentration ratios were used as a tool to identify and characterize the PAH sources. The results reflect high PM10 and PAH concentrations (particulate matter (PM) = 270-1,270 μg/m(3)). The corresponding average PAH concentrations were in the range of 18 ± 8 to 1,003 ± 597 ng/m(3) and the total concentrations (total PAHs (TPAHs) of 17 compounds) varied from 1,383 to 13,470 ng/m(3) with an average of 5,871 ± 2,830 ng/m(3). The detection and quantification limits were 1-3 and 1-10 ng/ml, respectively, with a recovery range of 42-80%. The ratio of the sum of the concentrations of the nine major non-alkylated compounds to the total (CPAHs/TPAHs) was 0.87 ± 0.10, and other ratios were determined to apportion the PM sources. The PAHs found are characteristic for emissions from traffic with diesel being a predominant source.
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Affiliation(s)
- Aarif H El-Mubarak
- Department of Plant Protection and Chair of Green Energy Research, College of Food and Agriculture Sciences, King Saud University, P. O. Box 2460, Riyadh, 11451, Saudi Arabia,
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Kaur S, Senthilkumar K, Verma VK, Kumar B, Kumar S, Katnoria JK, Sharma CS. Preliminary analysis of polycyclic aromatic hydrocarbons in air particles (PM10) in Amritsar, India: sources, apportionment, and possible risk implications to humans. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2013; 65:382-95. [PMID: 23695716 DOI: 10.1007/s00244-013-9912-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 04/30/2013] [Indexed: 05/26/2023]
Abstract
Preliminary analysis was performed to assess human health risks of exposure to 16 polycyclic aromatic hydrocarbons (PAHs) by way of inhalation by children and adults living in urban area of Amritsar, Punjab, India. In particular, the United States Environmental Protection Agency's (USEPA's) 16 priority PAH compounds were analyzed in air particulate matter (PM10) from different geographical locations by high-volume air sampler. Sum concentrations of PAHs (37-274 ng m(-3)) were comparable with those of other cities in India as well many cities on a global scale. Pyrene, naphthalene, acenaphthene, acenaphthylene, fluoranthene, fluorene, and dibenzo(a,h)anthracene accounted for >80% of ∑16PAH concentrations. Furthermore, the contribution of seven carcinogenic PAHs accounted for 12% of ∑16PAHs. The estimated carcinogenicity of PAHs in terms of benzo(a)pyrene toxic equivalency (BaPTEQ) was assessed and confirmed that dibenzo(a,h)anthracene was the dominant PAH contributor (88.7%) followed by benzo(a)pyrene (6.67%). Homolog pattern and diagnostic ratios of PAHs suggested that mixed pyrogenic sources--including biomass burning, coal combustion, and petrogenic sources, such as vehicular emissions--are dominant PAH sources in Amritsar. Health risk of adults and children by way of PAHs was assessed by estimating the lifetime average daily dose (LADD) and corresponding incremental lifetime cancer risk (ILCR) using USEPA guidelines. The assessed cancer risk (ILCR) was found to be within the acceptable range (10(-6)-10(-4)).
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Affiliation(s)
- Simerpreet Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar 143005, Punjab, India
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Slezakova K, Pires JCM, Castro D, Alvim-Ferraz MCM, Delerue-Matos C, Morais S, Pereira MC. PAH air pollution at a Portuguese urban area: carcinogenic risks and sources identification. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:3932-3945. [PMID: 23184127 DOI: 10.1007/s11356-012-1300-7] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 11/05/2012] [Indexed: 05/21/2023]
Abstract
This study aimed to characterize air pollution and the associated carcinogenic risks of polycyclic aromatic hydrocarbon (PAHs) at an urban site, to identify possible emission sources of PAHs using several statistical methodologies, and to analyze the influence of other air pollutants and meteorological variables on PAH concentrations.The air quality and meteorological data were collected in Oporto, the second largest city of Portugal. Eighteen PAHs (the 16 PAHs considered by United States Environment Protection Agency (USEPA) as priority pollutants, dibenzo[a,l]pyrene, and benzo[j]fluoranthene) were collected daily for 24 h in air (gas phase and in particles) during 40 consecutive days in November and December 2008 by constant low-flow samplers and using polytetrafluoroethylene (PTFE) membrane filters for particulate (PM10 and PM2.5 bound) PAHs and pre-cleaned polyurethane foam plugs for gaseous compounds. The other monitored air pollutants were SO2, PM10, NO2, CO, and O3; the meteorological variables were temperature, relative humidity, wind speed, total precipitation, and solar radiation. Benzo[a]pyrene reached a mean concentration of 2.02 ng m(-3), surpassing the EU annual limit value. The target carcinogenic risks were equal than the health-based guideline level set by USEPA (10(-6)) at the studied site, with the cancer risks of eight PAHs reaching senior levels of 9.98 × 10(-7) in PM10 and 1.06 × 10(-6) in air. The applied statistical methods, correlation matrix, cluster analysis, and principal component analysis, were in agreement in the grouping of the PAHs. The groups were formed according to their chemical structure (number of rings), phase distribution, and emission sources. PAH diagnostic ratios were also calculated to evaluate the main emission sources. Diesel vehicular emissions were the major source of PAHs at the studied site. Besides that source, emissions from residential heating and oil refinery were identified to contribute to PAH levels at the respective area. Additionally, principal component regression indicated that SO2, NO2, PM10, CO, and solar radiation had positive correlation with PAHs concentrations, while O3, temperature, relative humidity, and wind speed were negatively correlated.
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Affiliation(s)
- K Slezakova
- LEPAE, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465, Oporto, Portugal
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Khairy MA, Lohmann R. Source apportionment and risk assessment of polycyclic aromatic hydrocarbons in the atmospheric environment of Alexandria, Egypt. CHEMOSPHERE 2013; 91:895-903. [PMID: 23499221 DOI: 10.1016/j.chemosphere.2013.02.018] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 02/06/2013] [Accepted: 02/12/2013] [Indexed: 06/01/2023]
Abstract
In this study, three receptor models [factor analysis/multiple linear regression (FA/MLR), positive matrix factorization (PMF) and UNMIX] were applied seasonally to investigate the source apportionment of PAHs in the atmospheric environment of Alexandria, and a lifetime cancer risk was assessed. ∑44 (gas+particle) PAH concentrations varied from 330 to 1770ngm(-3) and 170-1290ngm(-3) in the summer and winter seasons respectively. PAH concentrations at the industrial sites were significantly higher than at the traffic and residential sites during the winter season (p<0.001). Summer PAH concentrations were significantly higher than the winter season at the traffic sites (p=0.027). Results obtained from the three receptor models were comparable. Vehicle emissions, both diesel and gasoline contributed on average 36.0-49.0% and 19.0-34.0% respectively, natural gas combustion 11.0-27.0% and, during the summer only, also evaporative/uncombusted petroleum sources 8.00-18.0%. Seasonal trends were found for the gasoline emission source. Overall, PMF and UNMIX models afforded better source identification than did FA/MLR. The lifetime cancer risk assessment showed that incremental lifetime cancer risks (ILTCRs) were greater than the acceptable level of 10(-6) through dermal and ingestion routes at all the investigated sites and through the inhalation route at the industrial and traffic sites only. Total ILTCRs (6.64×10(-3)-4.42×10(-2)) indicated high potential risks to the local residents.
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Affiliation(s)
- Mohammed A Khairy
- Graduate School of Oceanography, University of Rhode Island, 215 South Ferry Road, Narragansett, RI 02882, USA.
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Khairy MA, Lohmann R. Field validation of polyethylene passive air samplers for parent and alkylated PAHs in Alexandria, Egypt. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:3990-3998. [PMID: 22397460 DOI: 10.1021/es300012u] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Polyethylene samplers (PEs) were deployed at 11 locations in Alexandria, Egypt during summer and winter to test and characterize them as passive samplers for concentrations, sources, and seasonal variations of atmospheric concentrations of polycyclic aromatic hydrocarbons (PAHs). PE-air equilibrium was attained faster for a wider range of PAHs during the winter season possibly due to increased wind speeds. Calculated PE-air partitioning constants, K(PE-A), in our study [Log K(PE-A) = 0.9426 × Log K(OA) - 0.022 (n = 12, R(2) = 0.99, Std error = 0.053)] agreed with literature values within <46%. For parent (except naphthalene), mono- and dialkylated PAHs, active sampling based concentrations of PAHs were within an average factor of 1.4 (1.0-5.6) compared to the PE based values. For C(3-4) alkylated PAHs, K(PE-A) values were lower than predicted, on average by ~0.8 log units per carbon in the alkylation. Enthalpies of vaporization (ΔH(vap)) accurately corrected K(PE-A)s for temperature differences between winter and summer sampling. PAH profiles were dominated by naphthalene, phenanthrene, and alkylated phenanthrenes. Calculated diagnostic ratios indicated that PAHs originated mainly from vehicle emissions.
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Affiliation(s)
- Mohammed A Khairy
- Graduate School of Oceanography, University of Rhode Island, Narragansett, Rhode Island 02882, United States.
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