EnvironmentalIntermediateColorado Exam

A Colorado homeowner discovers naturally occurring uranium in the soil of their property in a mountain area. The primary concern is:

AA. Uranium always contaminates ground water at dangerous levels
BB. Natural uranium decay can produce radon gas, which may accumulate in the home and poses lung cancer riskCorrect
CC. Uranium soil contamination must be reported to the EPA immediately, though specifics can vary by situation
DD. Only properties built before 1960 can have uranium contamination

Why B. Natural uranium decay can produce radon gas, which may accumulate in the home and poses lung cancer risk Is Correct

Answer B: B. Natural uranium decay can produce radon gas, which may accumulate in the home and poses lung cancer risk

Colorado has significant uranium deposits, particularly in mountain regions. As uranium naturally decays, it produces radon gas, which can seep into buildings.

Exam Tip: Environmental

Environmental questions test knowledge of hazards like asbestos, lead-based paint, radon, and mold. Know the disclosure requirements and when a professional inspection is required. CERCLA liability is strict, joint, and several.

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