Suppose 10 million people are exposed to a carcinogen that poses an individual lifetime (70-yr) cancer risk of 10^-4. (a) How many cancers per year might be caused by this carcinogen? (b) If spending $1 per year per person (for an indefinitely long time) to reduce exposure to that carcinogen reduces that risk to 10^-5, what would be the cost of each cancer avoided?

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter1: Integrated Solid Waste Management
Section: Chapter Questions
Problem 1.13P
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Suppose 10 million people are exposed to a carcinogen that poses an individual lifetime (70-yr) cancer risk of 10^-4.

(a) How many cancers per year might be caused by this carcinogen?
(b) If spending $1 per year per person (for an indefinitely long time) to reduce exposure to that carcinogen reduces that risk to 10^-5, what would be the cost of each cancer avoided?

 

Expert Solution
Step 1

Given 

Lifetime = 70 years

Risk = 10-4cancer/person

Population = 10 x 10people

 

To find

(a) Cancer rate per year

(b) Cost for each cancer avoided

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