When drinking water is disinfected with chlorine, an undesired byproduct, chloroform (CHCl3), may form. Suppose a 70-kg person drinks 2 L of water every day for 70 years with a chloroform concentration of 0.08 mg/L (the drinking water standard). Potency factor for chloroform = 6.1 x 10-3 (mg/kg-day)-1 The upper-bound cancer risk for this individual. a. 0.545 b. 5.45x10-6 c. 5.45x10-4 d. 5.45x10-10 e. 14x10-6
When drinking water is disinfected with chlorine, an undesired byproduct, chloroform (CHCl3), may form. Suppose a 70-kg person drinks 2 L of water every day for 70 years with a chloroform concentration of 0.08 mg/L (the drinking water standard). Potency factor for chloroform = 6.1 x 10-3 (mg/kg-day)-1 The upper-bound cancer risk for this individual. a. 0.545 b. 5.45x10-6 c. 5.45x10-4 d. 5.45x10-10 e. 14x10-6
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter16: Biomass Energy
Section: Chapter Questions
Problem 4P
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When drinking water is disinfected with chlorine, an undesired byproduct, chloroform
(CHCl3), may form. Suppose a 70-kg person drinks 2 L of water every day for 70 years
with a chloroform concentration of 0.08 mg/L (the drinking water standard).
Potency factor for chloroform = 6.1 x 10-3 (mg/kg-day)-1
The upper-bound cancer risk for this individual.
a. 0.545
b. 5.45x10-6
c. 5.45x10-4
d. 5.45x10-10
e. 14x10-6
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