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Example: Risk An environmental engineer who specializes in remediation of arsenic-contaminated soils spends about 120 days per year in the field on contaminated sites. On each of those days, the engineer intakes 60 mg airborne soil with arsenic concentrations averaging 200 mg/kg. Arsenic is carcinogenic having a slope factor of 15.1 (mg/kg/d)1. After how many years in this job will the engineer have exceeded a risk of 1 104 of developing cancer?

engineering   Civil-Engineering   
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    Can I get help with those problem please? Thank you! Example: Risk An environmental engineer who specializes in remediation of arsenic-contaminated soils spends about 120 days per year in the field on contaminated sites. On each of those days, the engineer intakes 60 mg airborne soil with arsenic concentrations averaging 200 mg/kg. Arsenic is carcinogenic having a slope factor of 15.1 (mg/kg/d)-1. After how many years in this job will the engineer have exceeded a risk of * 10-4 of...

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