Environmental

Coal ash from power plants in NC is regulated as a potential environmental hazard because it may contain:

AAsbestos fibers
BArsenic, mercury, lead, and other heavy metals that can contaminate groundwater✓ Correct
CRadon gas
DPCBs from electrical equipment

Explanation

Coal combustion residuals (coal ash) can contain toxic heavy metals including arsenic, mercury, and lead. NC has experienced coal ash pond failures that contaminated nearby water sources.

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