title: Health risk assessment of organochlorine pesticides with emphasis on DDTs and HCHs in abandoned agricultural soils.
abstract: The aim of this study was to evaluate the consequence of changing land use from agriculture land to other use purposes with respect to OCPs non-cancer and cancer risk on human health, based on concentrations of DDTs and HCHs in soils collected from 55 locations representing 12 different land use types. There were no non-cancer risks of DDTs and γ-HCHs on adults and children, and there were very low cancer risks of DDD, o,p'-DDE, DDT, α-HCH, β-HCH, γ-HCH based on their total concentrations in all samples. Nonetheless, there were significant correlations of DDT to its metabolites (DDE and DDD) (r = 0.506 and r = 0.648) and DDE to DDD (r = 0.438) both at p < 0.01. OCP levels should be routinely monitored in different environmental media and food in order to verify whether there is fresh input. Their potential risks on human health should also be assessed.
authors.affiliation: Croucher Institute for Environmental Sciences, and Department of Biology, Hong Kong Baptist University, Hong Kong, PR China.
authors.forename: Yu Bon
authors.initials: YB
authors.lastname: Man
authors.forename: Ka Lai
authors.initials: KL
authors.lastname: Chow
authors.forename: Hong Sheng
authors.initials: HS
authors.lastname: Wang
authors.forename: Ka Yan
authors.initials: KY
authors.lastname: Lau
authors.forename: Xiao Lin
authors.initials: XL
authors.lastname: Sun
authors.forename: Sheng Chun
authors.initials: SC
authors.lastname: Wu
authors.forename: Kwai Chung
authors.initials: KC
authors.lastname: Cheung
authors.forename: Shan Shan
authors.initials: SS
authors.lastname: Chung
authors.forename: Ming Hung
authors.initials: MH
authors.lastname: Wong
mesh_terms: D000328:Adult; D000383:Agriculture; D002648:Child; D003634:DDT / Q000633:toxicity*; D004784:Environmental Monitoring / Q000379:methods; D062665:Epidemiological Monitoring; D001556:Hexachlorocyclohexane / Q000032:analysis* / Q000633:toxicity; D006723:Hong Kong / Q000453:epidemiology; D006801:Humans; D006843:Hydrocarbons, Chlorinated; D009369:Neoplasms / Q000453:epidemiology*; D010575:Pesticides / Q000032:analysis* / Q000633:toxicity; D018570:Risk Assessment; D012307:Risk Factors; D012987:Soil / Q000032:analysis; D012989:Soil Pollutants / Q000032:analysis* / Q000633:toxicity; D055815:Young Adult
chemical_list: D006843:Hydrocarbons, Chlorinated; D010575:Pesticides; D012987:Soil; D012989:Soil Pollutants; D001556:Hexachlorocyclohexane; D003634:DDT