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Table 1 Distribution of nighttime cumulative amounts of MP and EP metabolites of organophosphorus pesticides measured in the urine of children

From: Determination of no-observed effect level (NOEL)-biomarker equivalents to interpret biomonitoring data for organophosphorus pesticides in children

Metabolite

Total amounts in nighttime collections (nmol/kg body weight)a

 

Geometric mean

Minimum

Maximum

Percentiles

    

5

25

50

75

95

Methylphosphates

2.05

0.006

75.4

0.201

0.849

2.10

5.12

15.8

Ethylphosphates

0.233

0.004

7.34

0.031

0.114

0.241

0.547

1.37

Methyl + ethylphosphates

2.43

0.011

77.0

0.306

1.09

2.39

5.66

17.3

  1. Note: Methyl phosphates = the sum of dimethyl dithiophosphates (DMDTP), dimethyl thiophosphates (DMTP) and dimethyl phosphates (DMP); ethyl phosphates = the sum of diethyl dithiophosphates (DEDTP), diethyl thiophosphates (DETP) and diethyl phosphates (DEP).
  2. a Incomplete urine voids were excluded.
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Environmental Health

ISSN: 1476-069X