Drinking Water Contamination

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…due to inhalation during and after water use.[59] The EPA has also found that the ingestion of radon and its decay products poses significant cancer risks.[60] The EPA has acknowledged that the cancer risks from radon in both air and water are high and that while the airborne risk typically exceeds that arising from water, the cancer risk in water is higher than the cancer risk estimated to result from any other drinking water contaminant.[61]