United States. Environmental Protection Agency. Office of Water. (2002). Guidelines establishing test procedures for the analysis of pollutants under the Clean Water Act, National Primary Drinking Water Regulations, and National Secondary Drinking Water Regulations, Methods Update, Final Rule. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Guidelines Establishing Test Procedures for the Analysis of Pollutants Under the Clean Water Act, National Primary Drinking Water Regulations, and National Secondary Drinking Water Regulations, Methods Update, Final Rule. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 2002.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Guidelines Establishing Test Procedures for the Analysis of Pollutants Under the Clean Water Act, National Primary Drinking Water Regulations, and National Secondary Drinking Water Regulations, Methods Update, Final Rule. United States Environmental Protection Agency, Office of Water, 2002.