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human risk assessment

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Calculate the average daily dose (ADD) for each route of exposure.

Parameter Average Units Distribution
TCE concentration in water 225 ug/L Uniform
183 - 267 ug/L
Water intake 0.87 L/day Normal
Mean: 0.87 L/day
95th percentile: 2 L/day
TCE concentration in ambient air 0.86 ug/m3 Uniform
0.51 - 1.22 ug/m3
Breathing rate 13.1 m3/day Normal
Mean: 13.1 m3/day
95th percentile: 19.3 m3/day
TCE concentration in room during a shower 1033 ug/m3 Uniform
689 - 1378 ug/m3
Time per shower 10 minutes Normal
Mean: 10 minutes
Std dev.: 5 minutes
Body Weight 52 kg Normal
Mean: 52 kg
Std dev.: 10 kg
Exposure duration 10 years
Average lifetime 70 years
Cancer potency for inhalation 5.88E-6 kg-day/ug
Cancer potency for ingestion 1.1E-4 kg-day/ug

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