Abstract：
Background:Air pollution have led to severe problem of adverse health effect in the world. This study aimed to conduct the health risk assessment, cancer risk analysis, and non-cancer risk for exposure to volatile organic compounds (VOCs) and hydrogen sulfide (H 2 S) in petrochemical industry. Methods:In this cross-sectional research, 123 samples were collected in the ambient air in Iran during winter 2016. For sampling and analysis of VOCs and H 2 S, 3 methods (numbers 1500, 1501, and 6013) presented by the National Institute of Occupational Safety and Health (NIOSH) were used. For determination of risk assessment of chemical pollutants, semi-quantitative method presented by the Occupational Safety and Health Division, Singapore was used. Finally, for calculation of cancer risk analysis, Chronic Daily Intake (CDI) and calculation of non-cancer risk, Exposure Concentration (EC) were used. Results:Average concentration of benzene (2.12±0.95) in breathing zone of workers were higher than the Threshold Limit Values-Time Weighted Average (TLV-TWA) (P<0.05). Among chemical substance, benzene had very high rank of risk in petrochemical industry. Rank of risk for H 2 S, toluene, and xylene present in the breathing zone of workers was low. The mean cancer risk for workers exposed to benzene was estimated 8.78×10-3, in other words, 8.7 cancer per 1000 i.e. higher than the acceptable standard of 10-6. In our study, non-cancer risk for BTX was higher than the acceptable standard of 1. Conclusion:In particular, overall cancer and toxic risk can be associated with long term exposure to benzene.
journal_name
Iran J Public Healthjournal_title
Iranian journal of public healthauthors
Harati B,Shahtaheri SJ,Yousefi HA,Harati A,Askari A,Abdolmohamadi Ndoi
10.18502/ijph.v49i7.3587subject
Has Abstractpub_date
2020-07-01 00:00:00pages
1330-1338issue
7eissn
2251-6085issn
2251-6093pii
IJPH-49-1330journal_volume
49pub_type
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