"Contract number 68-01-6058, project number WA-80-A055."Oct. 1980.Cover title: Definitions, water quality standards criteria summaries, a compilation of State/Federal criteria.Includes bibliographical references.Mode of access: Internet
"EPA 440/4-90-005.""May 1990."Shipping list no.: 90-513-P.Cover title.Mode of access: Internet
Title from PDF cover (viewed on September 28, 2017).This archived document is maintained by the Stat...
"PB85-227049.""Jan. 1985"--Technical report data sheet."U.S. Environmental Protection Agency, Office...
"Contract number 68-01-6058, project number WA-80-A055."Oct. 1980.Cover title: Other elements, water...
"Contract number 68-01-6058, project number WA-80-A055.""September, 1980.""United States Environment...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
"Contract number 68-01-6058, project number WA-80-A055."Oct. 1980.Cover title: Antidegradation polic...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
Cover title: Water quality standards, criteria summaries, a com pilation of State/Federal criteria.I...
"Contract number 68-01-6058, project number WA-80A055."Sept. l980."United States Environmental Prote...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
Project no. WA-80-A055.Contract no. 68-01-6058.Oct. 1980.Bibliography: p. [iii-v].Mode of access: In...
Project no. WA-80-A055.Contract no. 68-01-6058.Oct. 1980.Bibliography: p. [iii-v].Mode of access: In...
"October 1982.""Draft."Cover title.Includes bibliographies.Mode of access: Internet
Includes appendices.Final version of Water quality criteria, the 1968 report of the National Technic...
"EPA 440/4-90-005.""May 1990."Shipping list no.: 90-513-P.Cover title.Mode of access: Internet
Title from PDF cover (viewed on September 28, 2017).This archived document is maintained by the Stat...
"PB85-227049.""Jan. 1985"--Technical report data sheet."U.S. Environmental Protection Agency, Office...
"Contract number 68-01-6058, project number WA-80-A055."Oct. 1980.Cover title: Other elements, water...
"Contract number 68-01-6058, project number WA-80-A055.""September, 1980.""United States Environment...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
"Contract number 68-01-6058, project number WA-80-A055."Oct. 1980.Cover title: Antidegradation polic...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
Cover title: Water quality standards, criteria summaries, a com pilation of State/Federal criteria.I...
"Contract number 68-01-6058, project number WA-80A055."Sept. l980."United States Environmental Prote...
"Contract number 68-01-6058, project number WA-80-A055."Sept. l980."United States Environmental Prot...
Project no. WA-80-A055.Contract no. 68-01-6058.Oct. 1980.Bibliography: p. [iii-v].Mode of access: In...
Project no. WA-80-A055.Contract no. 68-01-6058.Oct. 1980.Bibliography: p. [iii-v].Mode of access: In...
"October 1982.""Draft."Cover title.Includes bibliographies.Mode of access: Internet
Includes appendices.Final version of Water quality criteria, the 1968 report of the National Technic...
"EPA 440/4-90-005.""May 1990."Shipping list no.: 90-513-P.Cover title.Mode of access: Internet
Title from PDF cover (viewed on September 28, 2017).This archived document is maintained by the Stat...
"PB85-227049.""Jan. 1985"--Technical report data sheet."U.S. Environmental Protection Agency, Office...