Search Results for the EPA National Library Catalog

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Showing: Items 801 - 850
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Results of a Fresh Water Algal Growth Inhibition Test on Scenedesmus Subspicatus with Trideca-3,12-Dien-Nitrile. 2014
Results of a Fresh Water Algal Growth Inhibition Test with (Cyclododecane, (ethoxymethoxy)-). 2015
Results of a Fresh Water Algal Growth Inhibition Test with (Cyclododecane, (Ethoxymethoxy)-). 2015
Results of a Fresh Water Algal Growth Inhibition Test with Symrise Product Benzenepropanol, alpha, gamma, gamma-trimethyl. 2016
Results of a Fresh Water Algal Growth Inhibition Test with Symrise Product Cyclododecane, Methoxy. 2016
Review of EPA (Environmental Protection Agency) Water Quality Based Approach Research Program. 1986
Review of Freshwater Bioassay Procedures for Selected Amphipods. 1980
Review of Methods for the Analysis of Chlorophyll in Periphyton and Plankton of Marine and Freshwater Systems. 1986
Review of the Leeches (Annelida:Hirudinea) in the Great Lakes Region. 1977
Revised Estimates of Growth Requirements and Lethal Temperature Limits of Juvenile Walleyes. 1986
Revised Estimates of Power Plant Entrainment of Ichthyoplankton in Western Lake Erie in 1975-77. 1987
Revised technical support document : national-scale assessment of mercury risk to populations with high consumption of self-caught freshwater fish : in support of the appropriate and necessary finding for coal-and oil-fired electric generating units. 2011
River Road, New Castle Marsh Restoration Recommendations. 2010
Rock Creek Lake, Jasper County, Iowa. 1976
Russian-English glossary of hydrobiology / 1958
Safe drinking water : future trends and challenges : an Environmental Futures report / 1995
Salinity Tolerance of Young Topsmelt, 'Atherinops affinis', Cultured in the Laboratory. 1988
Salmonid bioassay of supersaturated dissolved air in water / 1976
Salt water intrusion in the United States / 1977
Sampling Larval Fish in the Littoral Zone of Western Lake Erie. 1984
San Joaquin Master Drain. Effects on Water Quality of San Francisco Bay and Delta. Appendix Part C. Nutrients and Biological Response. 1968
Santee River Basin: A Review and Summary of Available Information on Physical, Chemical and Biological Characteristics and Resources. 1973
Science Advisory Board Review of the Water Quality Criteria Document for Dissolved Oxygen. 1986
Screening Level Probabilistic Ecological Risk Assessment of Copper and Cadmium in the Chesapeake Bay Watershed. 1997
Seasonal effects on temperature preference in yellow perch, Perca flavescens / 1977
Second Annotated bibliography on biological effects on [i.e. of] metals in aquatic environments (no. 568-1292) / 1975
Sediment Quality Criteria Methodology Validation: Calculation of Screening Level Concentrations from Field Data. 1986
Selected life history attributes of some North American endemic and introduced species of fishes / 1986
Sensitivity of Vertebrate Embryos to Heavy Metals as a Criterion of Water Quality. 1973
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms / 1994
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms / 1985
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms / 1989
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms. Supplement / 1989
Simultaneous multielement analysis of liquid samples by inductively coupled argon plasma atomic-emission spectroscopy. 1980
Some ecological effects of artificial circulation on a small eutrophic New Hampshire lake / 1971
Sorption and Toxicity of Azo and Triphenylmethane Dyes to Aquatic Microbial Populations. 1985
Spatial distribution and temperature selection of fish near the thermal outfall of a power plant during fall, winter and spring / 1980
Spatio-Temporal Patterns of Foraging Success for Fishes in an Illinois Stream. 1985
Spawning Success of the Black Crappie, 'Pomoxis nigromaculatus', at Reduced Dissolved Oxygen Concentration. 1977
Species of Genus Melosira AG. of Amur River Plankton (O Vidakh roda Melosira ag. Planktona reki Amur). 1974
Species profiles life histories and environmental requirements of coastal fishes and invertebrates (Gulf of Mexico) : sheepshead / 1985
Specificity of Cellular DNA-Binding Sites of Microbial Populations in a Florida Reservoir. 1989
State Water Plan. Proceedings of the Annual New Mexico Water Conference (18th) Held at Las Cruces on April 5-6, 1973. 1973
Statement of Concerns and Suggested Ecological Research. 1975
Statistical Analysis of the Tampa Bay National Estuary Program 1993 Benthic Survey. 1996
Stochastic Model for the James. 1973
Stream Fish Communities Revisited: A Case of Mistaken Identity. 1986
Streams, lakes, ponds / 1954
Strip mine drainage - Aquatic impact assessment / 1979
Studies on Benthic Nematode Ecology in a Small Freshwater Pond. 1973
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