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  1. There are currently no enforceable regulations to control indoor radon levels; therefore, there is no legal recourse. EPA recommends mitigation if the radon level indoors is above 4 pCi/L; the national goal is to reduce indoor radon levels to outdoor levels, about 0.4 pCi/L. Clearly the school’s classrooms exceed these levels. Education and persuasion of the citizenry are methods that may motivate the community to take remedial action.

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