Table 5

Absorbed permethrin dose estimated from volume-weighted concentrations (V) and amounts (A) of DCCA



Permethrin absorbed dose




Relative urinary flow rate
(A) Estimated from cumulative amounts (μg/kg bw/day)
(V) Estimated from volume-weighted concentrationsa (μg/kg bw/day)
V/A

Adults




     Urban





Lowestb
0.00354
0.0238
6.7

5th percentilec
0.0564
0.134
2.4

Mediand
0.00941
0.0137
1.5

95th percentilee
0.00571
0.00390
0.68

Highestf
0.0304
0.0111
0.37





     Rural





Lowestb
0.00143
0.00337
2.4

5th percentilec
0.0113
0.0295
2.6

Mediand
0.00573
0.00725
1.3

95th percentilee
0.00241
0.00108
0.45

Highestf
0.0203
0.0123
0.61





Children




     Urban





Lowestb
0.0185
0.0365
2.0

5th percentilec
0.00551
0.00833
1.5

Mediand
0.00537
0.00621
1.2

95th percentilee
0.0310
0.0170
0.55

Highestf
0.0258
0.00780
0.30





     Rural





Lowestb
0.00481
0.00941
2.0

5th percentilec
0.104
0.222
2.1

Mediand
0.00966
0.00970
1.0

95th percentilee
0.0183
0.0115
0.63

Highestf
0.0188
0.00980
0.52

aCalculated according to the method of Fenske et al. [37]

bAbsorbed dose estimates for the participant with the lowest urinary flow rate

cAbsorbed dose estimates for the participant with the urinary flow rate closest to the 5th percentile value

dAbsorbed dose estimates for the participants with the median urinary flow rate

eAbsorbed dose estimates for the participant with the urinary flow rate closest to the 95th percentile value

fAbsorbed dose estimates for the participant with the highest urinary flow rate

Fortin et al. Environmental Health 2008 7:55   doi:10.1186/1476-069X-7-55