United States. Environmental Protection Agency. Office of Water. (2002). Analysis of national occurrence of the 1998 contaminant candidate list (CCL) regulatory determination priority contaminants in public water systems. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Analysis of National Occurrence of the 1998 Contaminant Candidate List (CCL) Regulatory Determination Priority Contaminants in Public Water Systems. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 2002.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Analysis of National Occurrence of the 1998 Contaminant Candidate List (CCL) Regulatory Determination Priority Contaminants in Public Water Systems. United States Environmental Protection Agency, Office of Water, 2002.