Search Results for the EPA National Library Catalog

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Proceedings of the National Symposium on Freshwater Inflow to Estuaries / 1981
Productivity study of the Roanoke River above Niagra Dam in Virginia 1977
Proposed methodology for specifying atrazine levels of concern for protection of plant communities in freshwater ecosystems / 2012
Proposed technical basis for establishing sediment quality criteria for nonionic organic chemicals using equilibrium partitioning / 1991
Publications and reports : in-house and extramural research, Coastal Pollution Branch, through October 31, 1976 / 1977
Publications and reports : Marine and Freshwater Ecology Branch 1978
Quantitative baseline inventory of the aquatic macroinvertebrate and periphyton communities of the South Platte and Saint Vrain Rivers, Fort Saint Vrain Nuclear Generating Statio 1974
Range-wide assessment of habitat suitability for Roanoke logperch (Percina rex) / 2007
Rapid bioassessment protocols for use in wadeable streams and rivers : periphyton, benthic macroinvertebrates and fish / 1999
Rare and endangered fish of Illinois 1973
Rationale for sampling and interpretation of ecological data in the assessment of freshwater ecosystems : a symposium sponsored by ASTM Committee D-19 on Water, Philadelphia, PA, 31 Oct.-1 Nov. 1983 / 1986
Reaction Mass of Diethylene Glycol Dibenzoate and Dipropylene Glycol Dibenzoate. 2012
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in and near Stillwater Wildlife Management Area, Churchill County, Nevada, 1986-87 / 1990
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Columbia Basin Project, Washington, 1991-92 1995
Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, Final 1987
Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, Final Environmental Assessment 1987
Redear sunfish in Florida 1969
Reductive Dechlorination of Dichlorophenols in Anaerobic Pond Sediments (Chapter 13). 1991
Reference reach fish community report. 1997
References for the identification of freshwater macroinvertebrates / 1972
Regiospecific Dechlorination of Pentachlorophenol by Dichlorophenol-Adapted Microorganisms in Freshwater, Anaerobic Sediment Slurries. 1991
Relationships between fish and aquatic plants a plan of study / 1993
Report / 1949
Report from the Science Advisory Board (SAB) Lookout Panel on freshwater ecosystems. 1997
Report of the Federal Advisory Committee on the Total Maximum Daily Load (TMDL) Program. 1998
Report of the Quality Management Work Group / 1987
Report on the Acute Toxicity of Tk 12 869/a to Rainbow Trout (salmo Gairdneri) with Cover Letter dated 010987. 2000
Report on the ecological assessment of streams in the vicinity of General Electric/Shepherd Farm Superfund site, March 1994. 1994
Report on the impacts of commercial dredging on the fishery of the lower Kansas River 1982
Report on zinc and freshwater fish 1973
Reservoir fisheries and limnology. 1971
Response of phytoplankton to water quality in the Chowan River system 1979
Response of the Spokane River periphyton community to primary sewage effluent and continued investigation of Long Lake : project completion report / 1975
Response of tolerant organisms to specific pollutants 1968
Response of tolerant organisms to specific pollutants / 1967
Results from an Acute Toxicity to Water Fleas (Daphnia Magna) and Results from a 72-hour Growth Inhibition Test using Freshwater Micro Algae Selenastrum Capricornutum (Raphidocellus Subcapitata) with 3-Hydroxy-N-Phenylaniline. 2011
Results from an Aquatic Toxicity Study in the Freshwater Plant, Lemna Gibba with 6-Ethoxy-N-methyl-1, 3-5triazine-2, 4-diamine (Star 1). 2009
Results of a Freshwater Algal Growth Inhibition Test on Desmodesmus Subspicatus with Coco Alkylamines. 2013
Results of a Freshwater Algal Growth Inhibition Test with AgiSyn 740. 2015
Results of a Freshwater Algal Growth Inhibition Test with NeoRad R-449. 2015
Results of a Freshwater Green Algal (Pseudokirchneriella Subcapitata) Test with N-((2-Hydroxy- 5-Nonylphenyl) Methyl)-N-Methylglycine Sodium Salt. 2012
Results of a GLP Acute Toxicity Test with an Experimental Pesticide on the Growth of the Freshwater Diatom (Navicula pelliculosa). 2015
Results of a Growth Inhibition Test on the Freshwater Aquatic Plant Lemna Gibba. (Confidential). 2011
Results of a Local Lymph Node Assay (LLNA) and a Freshwater Alga and Cyanobacteria, Growth Inhibition Test. 2012
Results of a Toxicity Study in Freshwater Algae with a R&D Proprietary Mixture Containing 50% of Methyl 2-(((((4,6-dimethoxy- 2-pyrimidinyl) amino)carbonyl)amino) sulfonyl)-6- (Trifluoromethyl) -3-pyridinecarboxylate Monosodium Salt. 2010
Results of a Toxicity Study in the Freshwater Dipteran Insect Chironomus Riparius and the Aquatic Plant Lemna Gibba. 2011
Results of a Toxicity Study in the Unicellular Freshwater Green Alga (Desmodesmus Subspicatus) with 1H-Benzotriazole-1-methanamine, N,N-bis(2-ethylhexyl)-armethyl-. 2013
Results of Acute Toxicity Studies in Freshwater Green Algae and Fathead Minnows with Pentanoic Acid, Nonafluoro. 2009
Results of an Acute Algae Toxicity Test. 2012
Results of an Acute Toxicity Study in Daphnia magna with a Proprietary Mixture Containing (Confidential). 2008
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