Search Results for the EPA National Library Catalog

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Great Lakes water quality initiative technical support document for the procedure to determine bioaccumulation factors. 1994
Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas. 1977
Group Report: Interactions among Acidification, Phosphorus, Contaminants, and Biota in Freshwater Ecosystems (Chapter 13). 1994
Guidelines for Assessing the Biotic Communities of Freshwater Wetlands. 1988
Haloethers : ambient water quality criteria. 1978
Halomethanes: Ambient Water Quality Criteria. 1978
Hexachlorocyclohexane : ambient water quality criteria. 1979
Hydrobiological studies. 1966
Impacts of sediment and nutrients on biota in surface waters of the United States / 1979
Importance of Trophic Transfer in the Bioaccumulation of Chemical Contaminants in Aquatic Ecosystems. 1984
Industrial waste guide on thermal pollution. 1968
Influences of strip mining on the hydrologic environment of parts of Beaver Creek Basin Kentucky, 1955-59 1964
Interim report on data and methods for assessment of 2, 3, 7, 8- tetrachlorodibenzo-p-dioxin risks to aquatic life and associated wildlife. 1993
Interim Report, Upper Klamath Lake Studies, Oregon. 1967
Interrelation of Carbon and Phosphorus in Regulating Heterotrophic and Autotrophic Populations in Aquatic Ecosystems. 1970
Isophorone : ambient water quality criteria. 1978
Keys to Water Quality Indicative Organisms. (Southeastern United States). 1968
Lake Baikal and its life 1963
Lake LaMoure, LaMoure County, North Dakota. 1976
Lake MacBride, Johnson County, Iowa. 1976
Lake Madison, Lake County, South Dakota. 1977
Lake Michigan: man's effects on native fish stocks and other biota, 1973
Lake Mitchell, Davison County, South Dakota. 1977
Lake Ontario environmental summary, 1965 / 1973
Life of inland waters; an elementary textbook of fresh-water biology for students, 1937
Limnological methods / 1948
Limnological methods. 1948
Limnological surveillance of the nearshore zone of Lake Erie in central and eastern Ohio : preliminary report 1980
Macroinvertebrate inventories of the White River, Colorado and Utah : significance of annual, seasonal, and spatial variation in the design of biomonitoring networks for pollution detection / 1984
Man-made lakes : proceedings / 1966
Mercury : ambient water quality criteria. 1979
Method for Aquatic Multiple Species Toxicant Testing: Acute Toxicity of 10 Chemicals to 5 Vertebrates and 2 Invertebrates. 1985
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms / 1993
Methods for measuring the acute toxicity of effluents to aquatic organisms / 1978
Methods for measuring the acute toxicity of effluents to aquatic organisms / 1978
Methods of hydrobiology (freshwater biology). 1970
Microbiological Content and Health Effect of Fishponds Enriched with Wastewater Effluent. 1987
Microscopic analysis of plankton, periphyton, and activated sludge : training manual / 1976
Millwood Reservoir, Hempstead, Howard, Little River, and Sevier Counties, Arkansas. 1977
Naphthalene : ambient water quality criteria / 1978
Natural Environment Surpasses Polluted Environment in Inducing DNA Damage in Fish. 1989
Nematode Community Structure. A Tool for Evaluating Water Resource Environments. 1972
Nickel : ambient water quality criteria / 1978
Nile : biology of an ancient river 1976
Nitrobenzene : ambient water quality criteria. 1978
Nitrophenols : ambient water quality criteria. 1978
North Platte River Biological Survey Report October-November 1963. 1963
North Waubay Lake, Day County, South Dakota. 1976
Numerical and graphical procedures for estimation of community photosynthesis and respiration in experimental streams {microform} / 1982
Nutrient-Algal Relationships in Lake Lillinonah, Danbury, Connecticut, June-September, 1975. 1975
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