Method 365.5 : Determination of Orthophosphate in Estuarine and Coastal Waters by Automated Colorimetric Analysis /

Methods for the Determination of Chemical Substances in Marine and Estuarine Environmental Matrices.
Published: (1997)

Technical guidance manual : estuarine & coastal marine waters.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion X - Texas-Louisiana Coastal and Mississippi alluvial plains, including all or parts of the states of Texas, Louisiana, Mississippi, Arkansas, Tennessee, Kentucky, Missouri, and Illinois, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion XIV-eastern coastal plain including all or parts of the states of South Carolina, North Carolina, Georgia, Virginia, Maryland, Delaware, New Jersey, New York, Connecticut, Rhode Island, Massachuset, New Hampshire, Maine and the authorized Tribes within the Ecoregion.
Published: (2000)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion IIi-xeric west including all or parts of the states of Washington, Oregon, California, Nevada, Idaho, Wyoming, Montana, Utah, Colorado, New Mexico, Arizona, Texas and the authorized tribes within the ecoregion.
Published: (2000)

Method 445.0 : in vitro determination of chlorophyll a and pheophytin a in marine and freshwater algae by fluorescence /
by: Arar, Elizabeth J.
Published: (1997)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion II-western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized tribes within the ecoregion.
Published: (2000)

Analytical methods : guidelines establishing test procedures for the analysis of pollutants--analytical methods for biological pollutants in ambient water--proposed rule.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VII-mostly glaciated dairy region including all or parts of the states of New York, Pennsylvania, Michigan, Wisconsin, Minnesota, Ohio, Indiana, Illinois, Iowa and the authorized Tribes within the Ecoregion.
Published: (2000)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion IV-great plains grass and shrublands including all or parts of: North Dakota, South Dakota, Montana, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, New Mexico, and Texas, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion V-south central cultivated great plains including all or parts of the states of Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, Texas, and New Mexico, and the authorized Tribes within the Ecoregion.
Published: (2001)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VI-corn belt And northern great plains including all or parts of the states of South Dakota, North Dakota, Nebraska, Minnesota, Iowa, Illinois, Wisconsin, Indiana, Michigan, Ohio and the authorized Tribes within the Ecoregion.
Published: (2000)

Method 446.0 : in vitro determination of chlorophylls a, b, c1 + c2 and pheopigments in marine and freshwater algae by visible spectrophotometry /
by: Arar, Elizabeth J.
Published: (1997)

Method 1602 : Male-specific (F+) and Somatic Coliphage in Water by Single Agar Layer (SAL) Procedure.
Published: (2001)

Method 447.0 : determination of chlorophylls a and b and identification of other pigments of interest in marine and freshwater algae using high performance liquid chromatography with visible wavelength detection /
by: Arar, Elizabeth J.
Published: (1997)

Method 549.2 : determination of diquat and paraquat in drinking water by liquid-solid extraction and high performance liquid chromatography with ultraviolet detection /
by: Hodgeson, J. W.
Published: (1997)

Improved enumeration methods for the recreational water quality indicators : Enterococci and Escherichia coli.
Published: (2000)

Laws/regulations : federally promulgated standards : withdrawal of certain federal human health and aquatic life water quality criteria applicable to Vermont, the District of Columbia, Kansas and New Jersey.
Published: (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.
Published: (2002)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion I - Willamette and central valleys including all or parts of the states of Washington, Oregon, and California, and the authorized tribes within the region.
Published: (2001)

Guidance for the determination of appropriate methods for the detection of section 313 water priority chemicals.
Published: (1994)

Water quality : processes and policy /
Published: (1999)

Fact sheet : 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, analysis and sampling procedures.
Published: (2006)

Quality criteria for water 1986.
Published: (1986)

Water effluent trading /
by: Anderson, Robert C. (Robert Campbell), 1945-
Published: (1995)

Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for wetlands in nutrient dcoregion XIII-southern Florida coastal plain including all or parts of the state of Florida and the authorized tribes within the ecoregion.
Published: (2000)

Water pollution and water supply study performance data : fact sheet.
Published: (2001)

Memorandum of agreement between the Department of the Army and the Environmental Protection Agency : the determination of mitigation under the Clean Water Act Section 404(b)(1) guidelines.
Published: (1990)

Strategy for water quality standards and criteria : setting priorities to strengthen the foundation for protecting and restoring the nation's waters.
Published: (2006)

Strategy for water quality standards and criteria.
Published: (2003)

National recommended water quality criteria.
Published: (2006)

Water security : national and global issues.
Published: (2010)

State and tribal water quality standards-notice of EPA approvals.
Published: (1998)

Revision of national recommended water quality criteria 2002 : fact sheet.
Published: (2002)

Water quality criteria and standards plan-priorities for the future : fact sheet.
Published: (1998)

Water sector policy review and strategy formulation : a general framework.
Published: (1995)