Monitoring and risk assessment of exposure to organochlorine pesticides through the water supply system, case of Karkheh River in southwest Iran

In this investigation, the concentration of some organochlorine pesticides (OCPs) was monitored in the Karkheh River and the risk assessment of exposure to these pesticides residue through the water supply system was calculated. The mean concentrations of Lindane, Heptachlor, Chlordane, Dieldrin, En...

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Bibliographic Details
Published in:Journal of environmental health science and engineering 2022-08, Vol.20 (2), p.881-888
Main Authors: Fard, Neematollah Jaafarzadeh Haghighi, Fard, Masoud Panahi, Haghighipur, Sadegh, Fard, Ebrahim Sharifi, Jorfi, Sahand
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Environment
Environmental Economics
Environmental Engineering/Biotechnology
Environmental Health
Environmental Law/Policy/Ecojustice
Iran
Organochlorine compounds
Pesticides
Quality of Life Research
Research Article
Risk assessment
Waste Management/Waste Technology
Water-supply
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Summary:In this investigation, the concentration of some organochlorine pesticides (OCPs) was monitored in the Karkheh River and the risk assessment of exposure to these pesticides residue through the water supply system was calculated. The mean concentrations of Lindane, Heptachlor, Chlordane, Dieldrin, Endrin, DDT were 0.135, 0.123, 0.077, 0.081, 0.076, 0.01 µg/L, respectively. The average risk of Lindane, Heptachlor, Chlordane, Dieldrin, DDT, and Endrin for adults was 1.2 E-6, 1.1E-6, 7E-7, 7.6E-7, 9E-8, 7E-7 or non-carcinogenic risks to adults decreased in Dieldrin > Chlordane > Heptachlor > Endrine > DDT > lindane. The hazard index for all organochlorine pesticides was less than 1. These results did not raise concerns about the health of people exposed to studied pesticides. Total concentrations of all OCPs in the Karkheh River were below guidelines for individual pesticides. The hazard quotient showed that the consumption of treated water from the Susangard drinking water treatment plant has no non-cancerous effects. The HI was less than 1 that indicating the risk of exposure to a mixture of OCPs was not significant. Developing policies to reduce the use of pesticides and the use of suitable management practices could be implemented to lower the pesticide levels in the Karkheh River.
ISSN:2052-336X
2052-336X
DOI:10.1007/s40201-022-00828-9