1. National Primary Drinking Water Regulations: Filtration, Disinfection; Turbidity, Giardia lamblia, Viruses, Legionella, and Heterotrophic Bacteria. Proposed rule, 40 CFR parts 141 and 142;Fed. Reg.,1987
2. Preface;Wolman,1986
3. National Interim Primary Drinking Water Regulations Washington, D.C. 1977
4. Control of Trihalomethanes in Drinking Water. Final rule, 40 CFR part 141;National Interim Primary Drinking Water Regulations;Fed. Reg.,1979
5. Amendments, 40 CFR part 141;National Interim Primary Drinking Water Regulations;Fed. Reg.,1980