1. Legislative History of the Safe Drinking Water Act. Serial 97--9 Congressional Research Service, Library of Congress Washington, D.C. 1982
2. A Legislative History of the Safe Drinking Water Act Amendments 1983--1992 Congressional Research Service, Library of Congress Washington, D.C. 1993
3. USEPA Technical and Economic Capacity of States and Public Water Systems to Implement Drinking Water Regulations: Report to Congress. EPA 810/R-93/001, 1993
4. USEPA Sanitary Survey of Drinking Water Systems on Federal Water Resource Developments 1971