Search Results for the EPA National Library Catalog

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Toxicity to biota of metal forms in natural water : proceedings of a workshop held in Duluth, Minnesota, October 7-8, 1975 / 1976
Toxicokinetics of Selected Xenobiotics in 'Hexagenia limbata'. 1988
Toxicology handbook, mammalian and aquatic data : toxicological evaluation of pesticides / 1979
Toxics Study of the Lower Calcasieu River. 1990
Trace Organic Contaminants in Anthropogenically Acidified Surface Waters. 1992
Transport and Transformation of Contaminants Near the Sediment-Water Interface. Chapter 1. Introduction. 1994
Travertine [electronic resource] / 2005
Treatment of Lake Charles East, Indiana sediments with fly ash / 1979
Tributyltin: {microform} position document 4. Tributyltin antifoulants: notice of intent to cancel; denial of applicaations for registration; partial conclusion of special review. 1988
Trophic structure modifications by planktivorous fish in aquatic microcosms / 1977
Turbidity : water quality standards criteria summaries : a compilation of state/federal criteria. 1988
U.S. Fish and Wildlife Service biological opinion on selected pesticides : dated June 14, 1989. 1989
Upper Mississippi River water quality assessment report / 2002
Urban stormwater and combined sewer overflow impact on receiving water bodies : proceedings of the national conference, Orlando, Florida November 26-28, 1979 / 1980
Use and Nutritional Value of 'Artemia' as a Food Source. 1986
Use of aquatic lethality tests to estimate safe toxicant concentrations for initial ecolological risk assessments / 1989
Use of Ecoregions in Biological Monitoring. 1992
Use of forest site index for evaluating terrestrial resources at risk from acidic deposition {microfiche} 1990
Use of immunotoxicity assays in aquatic biology research. 1999
Use of Periphyton in the Development of Biocriteria. 1994
Use of Pesticides in Suburban Homes and Gardens and Their Impact on the Aquatic Environment. 1972
User guide: acute to chronic estimation / 1999
User's manual for the instream sediment-contaminant transport model SERATRA / 1982
Uses of Environmental Maps in Determining Areas of Noncompliance. 1977
Validity of ambient toxicity tests for predicting biological impact, Ohio River, near Wheeling, West Virginia / 1986
Validity of effluent and ambient toxicity tests for predicting biological impact, Kanawha River, Charleston, West Virginia / 1986
Validity of laboratory tests for predicting copper toxicity in streams / 1976
Vascular Aquatic Plants in Acid Mine Water of the Monongahela River, West Virginia. 1971
Volunteer Lake Monitoring Program, 1989. Volume 6. Southwestern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 7. Southern Illinois Region. 1990
WASTOX (Water Quality Analysis Simulation for Toxics), a Framework for Modeling the Fate of Toxic Chemicals in Aquatic Environments. Part 2. Food Chain. 1985
Water and the Future of Humanity Revisiting Water Security. [electronic resource] : 2014
Water for Texas : proceedings of the annual conference (13th), November 25-26, 1968. Conference theme: Meeting Texas Water Needs/ 1968
Water Pollution Control. Waste Treatment and Water Treatment. Selected Biological Reference on Fresh and Marine Waters. 1966
Water pollution investigation : lower Green Bay and lower Fox River / 1975
Water Pollution Investigation: Ashtabula Area. 1975
Water quality and flushing of five Puget Sound marinas 1980
Water quality assessment of proposed effluent guidelines for the pulp, paper, and paperboard industry. 1993
Water Quality Baseline Assessment for Cleveland Area. Lake Erie. Volume I. Synthesis. 1974
Water Quality Criteria Data Book, Volume V, Effects of Chemicals on Aquatic Life. 1973
Water quality criteria data book. selected data from the literature through 1968 / Volume 3, Effects of chemicals on aquatic life : 1971
Water quality criteria for aquatic life / 1957
Water Quality Criteria for Aquatic Life. 1957
Water quality criteria research of the U.S. Environmental Protection Agency : proceedings of an EPA-sponsored Symposium on Marine, Estuarine and Fresh Water Quality, presented at the 26th annual meeting of the AIBS, August 1975 / 1976
Water quality criteria, 1972 : a report of the Committee on Water Quality Criteria, Environmental Studies Board, National Academy of Sciences, National Academy of Engineering, Washington, D.C., 1972. 1974
Water quality effects of hyporheic processing / 2000
Water quality guidance for the Great Lakes system : supplementary information document (SID). 1995
Water quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98 / 2000
Water Quality Requirements of Aquatic Insects. 1973
Water quality standards for the 21st century : proceedings of the Third National Conference, Las Vegas, Nevada, August 31-September 3, 1992 / 1992
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