Regulations.gov document: U.S. Environmental Protection Agency. Memorandum to Stephen Clark, ODW from Warren Peters, PAB and Chris Nelson, ORP regarding Preliminary Risk Assessment for Radon Emissions from Drinking Water Treatment
Facilities, (June 28, 1988). 19 pages. [EPA, 1988c] [PHASE-III-RADS-III-D3-66] — retained record — High Signal
Regulations.gov document: U.S. Environmental Protection Agency. Memorandum to Stephen Clark, ODW from Warren Peters, PAB and Chris Nelson, ORP regarding Preliminary Risk Assessment for Radon Emissions from Drinking Water Treatment
Facilities, (June 28, 1988). 19 pages. [EPA, 1988c] [PHASE-III-RADS-III-D3-66]