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Distribution and Ecotoxicological Risk Assessment of Persistent Organic Pollutants (POPs) In River Sediments from Delhi, India

Bhupander Kumar, Meenu Mishra, Gargi Goel, Richa Gaur, Singh Satish Kumar, Prakash Dev, Kumar Sanjay, Sharma Chandra Shekhar

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Abstract

Persistent organochlorine pesticides (OCPs) like hexachlorocyclohexane (HCH), and dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCBs) and their ecotoxicological risks were investigated in river bank sediments from Yamuna in Delhi, India. The concentration of HCH, DDT and PCBs ranges between 19.25-731.82 (208.17±20.66) ng g -1 , 80% of the PCBs contamination. Concentration of HCHs, DDT and PCBs did not exceed sediment quality guidelines with the exception of lindane which was above sediment guidelines as lindane formulation are registered in India for use in public health practices to control vector borne diseases. Keywords: Pesticides, POPs, HCH, DDT, PCBs, River Sediment, India

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What this paper is about

Persistent organochlorine pesticides (OCPs) like hexachlorocyclohexane (HCH), and dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCBs) and their ecotoxicological risks were investigated in river bank sediments from Yamuna in Delhi, India. The concentration of HCH, DDT and PCBs ranges between 19.25-731.82 (208.17±20.66) ng g -1 , 80% of the PCBs contamination. Concentration of HCHs, DDT and PCBs did not exceed sediment quality guidelines with the exception of lindane which was above sediment guidelines as lindane formulation are registered in India for use in public health practices to control vector borne diseases. Keywords: Pesticides, POPs, HCH, DDT, PCBs, River Sediment, India

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Available abstract

Persistent organochlorine pesticides (OCPs) like hexachlorocyclohexane (HCH), and dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCBs) and their ecotoxicological risks were investigated in river bank sediments from Yamuna in Delhi, India. The concentration of HCH, DDT and PCBs ranges between 19.25-731.82 (208.17±20.66) ng g -1 , 80% of the PCBs contamination. Concentration of HCHs, DDT and PCBs did not exceed sediment quality guidelines with the exception of lindane which was above sediment guidelines as lindane formulation are registered in India for use in public health practices to control vector borne diseases. Keywords: Pesticides, POPs, HCH, DDT, PCBs, River Sediment, India

Key concepts: Lindane, Hexachlorocyclohexane, Pollutant, Organochlorine pesticide, Sediment, Environmental science, Environmental chemistry, Pesticide

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Distribution and Ecotoxicological Risk Assessment of Persistent Organic Pollutants (POPs) In River Sediments from Delhi, India — Research Paper | ScholarLens