What is their mortality risk for radon-induced lung cancer

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Reference no: EM131005417

1. Consider people who receive an annual radon exposure (EEC basis) of 0.11 MBq h m-3 for the first 30 years of their lives. At age 30, through radon reduction remediation actions, they decrease their annual exposure to 0.02 MBq h m-3 for the remainder of their lives.

(a) What is their mortality risk for radon-induced lung cancer?

(b) If they had not undertaken remedial measures, what would be their radon mortality risk?

2. Estimate how many radon-caused lung cancer deaths there are every year in the U.S. if everyone were exposed to the U.S. residential average radon con centration of 1.25 pCi/L 75% of the time. Assume an equilibrium factor of F = 0.5. Assume a population of 250 million. State and justify any other assumptions you make.

Reference no: EM131005417

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