National Primary Drinking Water Regulations; Radon-222, Proposed Rule, FEDERAL REGISTER November 2, 1999.
Proposed multimedia approach to reducing radon risks in indoor air while protecting public health from the highest levels of radon in drinking water. Includes proposed MCL and MCLGs for radon in drinking water.
|Office of Water - Office of Air and Radiation|
|Office of Ground Water and Drinking Water - Office of Indoor Air and Radiation|
|Malm, Sylvia;Schmidt, Anita|
|Federal Register (FR) Notice|