From the PHILADELPHIA INQUIRER:
New Jersey and Pennsylvania are among a number of states plentiful in radon. For more than a decade, state and federal governments have held off in regulating how much of the gas should be allowed in drinking water. The New Jersey Department of Environmental Protection is analyzing data as it considers its next step.
… excess radon is found in underground aquifers, not in water drawn from rivers, where the gas escapes. …
Pennsylvania, which has elevated radon levels across most of the eastern half of the state, does not regulate radon and also is awaiting a decision by the EPA, said a representative for the Pennsylvania Department of Environmental Protection…
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