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Administrative determination EPA clarifies that Ferric Ferrocyanide is one of the "Cyanides" in the

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2003] 2003

Ambient aquatic life water quality criteria for atrazine

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2003] 2003

Approval of EPA methods 1664, revision A, and 9071B for determination of oil and grease and non-pola

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1999] 1999

Bacterial water quality standards for recreational waters, freshwater and marine waters : status rep

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2003] 2003

Clean water rule challenges must begin in Federal District Courts, Supreme Court holds

Mulligan, Stephen P., author.
[Washington, D.C.] : Congressional Research Service, 2018- 2018

Compilation of national recommended water quality criteria and EPA's process for deriving new and re

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1998] 1998

Data quality objectives and statistical design support for development of a monitoring protocol for

[Research Triangle Park, NC] : United States Environmental Protection Agency, Microbial Exposure Research Branch, Microbiological and Chemical Exposure Assessment Research Division, National Exposure Research Laboratory, [1999] 1999

Ecoregional nutrient criteria fact sheet.

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2001] 2001

Ecoregional nutrient criteria fact sheet.

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2002] 2002

EPA guidance on application of state mixing zone policies in EPA-issued NPDES Permits

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1996] 1996

Fact sheet guidelines establishing test procedures for the analysis of pollutants under the Clean Wa

[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Water, [2006] 2006

Federal wetlands policy : protecting the environment or breaching constitutional rights? : hearing b

United States. Congress. House. Committee on Government Reform.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O. [Congressional Sales Office], 2001. 2001

Guidelines establishing test procedures for the analysis of pollutants under the Clean Water Act, Na

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2002] 2002

Improved enumeration methods for the recreational water quality indicators Enterococci and Escherich

[Washington, D.C.] : United States Environmental Protection Agency, Office of Science and Technology, [2000] 2000

Method 349.0 determination of ammonia in estuarine and coastal waters by gas segmented continuous fl

Zhang, Jia-Zhong.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 353.4 Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented C

Zhang, Jia-Zhong.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 365.5 Determination of Orthophosphate in Estuarine and Coastal Waters by Automated Colorimetr

Zimmermann, Carl F.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 366.0 Determination of Dissolved Silicate in Estuarine and Coastal Waters by Gas Segmented Co

Zhang, Jia-Zhong.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 440.0 : determination of carbon and nitrogen in sediments and particulates of estuarine/coast

Zimmermann, Carl F.
[Cincinnati, OH] : U.S. Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 445.0 in vitro determination of chlorophyll a and pheophytin a in marine and freshwater algae

Arar, Elizabeth J.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 446.0 in vitro determination of chlorophylls a, b, c1 + c2 and pheopigments in marine and fre

Arar, Elizabeth J.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 447.0 determination of chlorophylls a and b and identification of other pigments of interest

Arar, Elizabeth J.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 549.2 determination of diquat and paraquat in drinking water by liquid-solid extraction and h

Hodgeson, J. W.
[Cincinnati, OH] : United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, [1997] 1997

Method 1602 Male-specific (F+) and Somatic Coliphage in Water by Single Agar Layer (SAL) Procedure.

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2001] 2001

Microbeads : an emerging water quality issue

Copeland, Claudia, author.
[Washington, D.C.] : Congressional Research Service, 2018- 2018

National beach guidance and required performance criteria for grants

Washington, D.C. : United States Environmental Protection Agency, Office of Water, 2002. 2002

National recommended water quality criteria

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, [2006] 2006

A national water initiative : coordinating and improving federal research on water : hearing before

United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Energy and Environment.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008. 2008

Revision of national recommended water quality criteria 2002 fact sheet.

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2002] 2002

State and tribal water quality standards-notice of EPA approvals

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1998] 1998

Strategy for water quality standards and criteria setting priorities to strengthen the foundation fo

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2006] 2006

Water pollution and water supply study performance data fact sheet.

[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2001 2001