Environmental

Maine's radon testing recommendation is particularly important because Maine has:

AHigher than average radon levels due to granite bedrock geology✓ Correct
BNo natural radon — it only comes from man-made sources
CRadon levels below the EPA action level statewide
DRadon only in coastal properties

Explanation

Maine's granite bedrock geology contributes to above-average radon levels in many areas. The Maine CDC recommends testing all homes, especially those with basements or slab foundations.

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