A 70 kg adult male is exposed to cadmium-containing vapors at his worksite. If he inhales 20 m3 per work day and he works 8 hours a day, 5 days a week 48 weeks a years, for 30 years. What is the maximum allowable cadmium concentration in the air if the cancer risk is to be maintained below 10-6? How would the acceptble concentration change if the calculation wee repeated for a 50 kg woman?

A 70 kg adult male is exposed to cadmium-containing vapors at his worksite. If he inhales 20 m3 per work day and he works 8 hours a day, 5 days a week 48 weeks a years, for 30 years. What is the maximum allowable cadmium concentration in the air if the cancer risk is to be maintained below 10-6? How would the acceptble concentration change if the calculation wee repeated for a 50 kg woman?

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter5: Biomedical Electronics: Digital

Section: Chapter Questions

Problem 5Q

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A 70 kg adult male is exposed to cadmium-containing vapors at his worksite. If he inhales 20m3 per work day and he works 8 hours a day, 5 days a week, 48 weeks a year, for 30 years, what is the maximum allowable cadmium concentration in the air if the cancer risk is to be maintained below 10−6? How would the acceptable concentration change if the calculation were repeated for a 50 kg woman? A laboratory trial is conducted to evaluate the risks associated with consumption of pesticide-contaminated water. 45 out of 500 mice exposed to the pesticide-contaminated water develop stomach cancer. 11 out of 500 mice that were not exposed to the pesticide contaminated water also developed cancer. What are: a. the relative risk? b. the attributable risk? c. the odds ratio? Do these epidemiological statistics suggest a potential link between consumption of this water and stomach cancer?
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