Class Exercise # 2 - SolutionEstimation of Intake: Adult Inhalation of Vapors

CA(mg/m3) x IR(m3/d) x EF(d/yr) x ED(yr)

Intake =

BW(kg) x AT(yr x d/yr)

0.01 mg/m3 x 20 m3/d x 350 d/yr x 30 yr

Benzene =

70 kg x 70 yr x 365 d/yr

= 1.17 x 10-3 mg/kg-day

1.0 mg/m3 x 20 m3/d x 350 d/yr x 30 yr

Toluene =

70 kg x 30 yr x 365 d/yr

= 0.27 mg/kg-day

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