Journal
CHEMOSPHERE
Volume 220, Issue -, Pages 1126-1140Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2019.01.001
Keywords
Organochlorine; Pesticides; Human health; Environmental impacts; Risk assessment
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Organochlorine pesticides (OCP5) are generally categorized as chlorinated cyclodienes, chlorodiphenyl-ethanes, chlorinated benzenes and cyclohexanes. The presence of OCP residues in foodstuffs, water, soil, sediments, blood serum and air has generated a surge of global interest. This is due to their severe environmental and health ill-effects. OCPs are characteristically described as persistent and bio-accumulating substances prone to long-range transportation. The aim of this present study is to assess the environmental and health risks associated with OCP residues. Published works on OCPs in surface water, sediments and fish samples were reviewed. Possible non-carcinogenic (Hazard Quotient, HQ and Hazard Index, HI) and carcinogenic (Cancer Risk, CR) health effects of OCP5 were assessed in fish samples. High concentrations of OCP residues were determined in environmental samples from African countries. The non-carcinogenic health assessment of OCPs in most fish samples from Nigeria revealed HI values greater than 1.0 establishing their adverse effects. The CR data of OCPs in fish samples also showed values higher than the permissible standard of 1.0 x 10(-4) indicating possible development of cancer through fish consumption. (C) 2019 Elsevier Ltd. All rights reserved.
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