1. Proposed Rule for Radionuclides;USEPA;Fed. Reg.,1991
2. USEPA's Proposed Radon MCL: Too Low, Too High, or Just Right?;Pontius;Jour. AWWA,1992
3. Congress to Decide Fate of Radon Standard;Pontius;Jour. AWWA,1994
4. P.L. 102-389 Sec. 591, as cited in the Congressional Record---Senate S15103 1992
5. Uncertainty Analysis of Risks Associated With Exposure to Radon in Drinking Water;USEPA,1993