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The Impact of Pesticides - Academy Publish

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Table 2. Biological reference values (BRVs) for specific metabolites <strong>of</strong> six differentpesticides in 24-h urine collection <strong>of</strong> workers<strong>Pesticides</strong>OP insecticidesChlorpyrifosUrinarybiomarkerBRV a(nmol/kgbw/day)Urinecollection(following theonsetexposure)3,5,6-TCP 26 24-h urine76 48-h urineTotal APs 45 24-h urine99 48-h urineReference dose usedto derive the BRV0.23 µmol/kg/day(NOEL based on anoral exposure inhumans)MalathionParathionMCA 44 24-h urineDCA 13MCA + 62DCATotal APs 57Total 119metabolitesp-NP 6 12-h urine24 24-h urineTotal APs 2 12-h urine15 24-h urine0.61 µmol/kg/day(NOEL based on anoral exposure inhumans)18.2 µmol/kg/day(NOEL based on adermal exposure inhumans)Carbamate insecticidesCarbaryl1-naphthol 32 24-h urinePhthalimide fungicidesCaptanTHPI 21.5 24-h urineFolpetPI 0.04 24-h urinePA eq 32 24-h urinepesticide and adjusted for the body weight.0.3 µmol/kg/day(NOAEL based onab oral exposure inhumans)chronic oral RfD <strong>of</strong>0.125 mg/kg bw/daychronic oral RfD <strong>of</strong>0.09 mg/kg bw/daya BRV corresponds to mean cumulative amounts <strong>of</strong> the studied metabolite measuredin 12- or 24-h urine <strong>of</strong> workers exposed to the specific<strong>Academy</strong><strong>Publish</strong>.org - <strong>The</strong> <strong>Impact</strong> <strong>of</strong> <strong>Pesticides</strong>122

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