EnvironmentalIntermediateColorado Exam

The EPA's Action Level for radon in a building is:

A2 pCi/L
B4 pCi/LCorrect
C8 pCi/L
D10 pCi/L

Why 4 pCi/L Is Correct

Answer B: 4 pCi/L

The EPA recommends mitigation when radon levels in a building reach 4 picocuries per liter (pCi/L) or higher. Colorado has naturally elevated radon levels due to uranium deposits in the soil and rock.

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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