Search Results for the EPA National Library Catalog

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Ecology of Patterned Boreal Peatlands of Northern Minnesota: A Community Profile. 1987
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape). 1996
Effect of Water Quality and Environmental Factors on Freshwater Fish. 1970
Effects and fate of sewage chlorination products in phytoplankton / 1975
Effects of Acidic Deposition on Streams in the Appalachian Mountain and Piedmont Region of the Mid-Atlantic United States. 1993
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of Heated Discharges from Gulf Power on the Temperature Regime and Biota of the Lower Escambia River. 1973
Effects of Pollution, Especially from Feedlots, on Fishes in the Upper Neosho River Basin. 1971
Effects of Siltation and Coarser Sediments on Distribution and Abundance of Stream-Inhabiting Insects. 1971
Effects of Toxic Organics on Photosynthetic Reoxygenation. 1967
Effects of wastewater and cooling water chlorination on aquatic life / 1976
Endosulfan : ambient water quality criteria. 1978
Endrin : ambient water quality criteria. 1978
Energetics of Natural Populations of Freshwater Macroconsumers. Progress Report. 1971
Environmental requirements and pollution tolerance of common freshwater chironoidae / 1977
Environmental requirements and pollution tolerance of Plecoptera / 1978
Environmental requirements and pollution tolerance of trichoptera / 1978
Ethylbenzene : ambient water quality criteria. 1978
Eutrophication / 1970
Eutrophication : causes, consequences, correctives; proceedings of a symposium. 1969
Evaluation of Environmental Alterations by Thermal Loading and Acid Pollution in the Cooling Reservoir of a Steam-Electric Station. 1970
Experiences with single species tests for acute toxic effects on freshwater animals / 1988
Factors initiating phytoplankton blooms and resulting effects on dissolved oxygen in Duwamish River estuary, Seattle, Washington / 1969
Fate of Diquat in the Aquatic Environment. 1972
Fate of Nitrogen in Aquatic Ecosystems. 1972
Field book of ponds and streams : an introduction to the life of fresh water / 1930
Field Evaluation of Residue Prediction Procedures Used in EPA's Guidance: Assessment and Control of Bioconcentratable Contaminants in Surface Waters. The Five Mile Creek Study. 1993 Draft for Appendix 1. 1993
Fourth annotated bibliography on biological effects of metals in aquatic environments (no. 2247-3132) / 1979
Fresh-water biology. 1959
Freshwater biology 1977
Freshwater biology and pollution ecology : training manual / 1975
Freshwater findings, 1967-1976 : research publications of the Environmental Research Laboratory / 1977
Freshwater findings, 1976-1978 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1980
Freshwater findings, 1979-1982 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1983
Freshwater leeches (Annelida: Hirudinea) of North America / 1972
Freshwater life 1974
Freshwater micro-ecosystem development and testing of substitute chemicals / 1980
Freshwater microscopy. 1953
Freshwater planarians (Turbellaria) of North America. 1972
Freshwater snails (Mollusca: Gastropoda) of North America / 1982
Freshwater snails (Mollusca: Gastropoda) of North America / 1982
Freshwater unionacean clams (Mollusca: Pelecypoda) of North America, 1973
Fundamentals of limnology / 1953
Genera Acanthosphaera through Cystodinium collected from eastern and southeastern lakes / 1979
Genera Dactylococcopsis through Gyrosigma collected from eastern and southeastern lakes / 1979
Genera Hantzschia through Pteromonas collected from eastern and southeastern lakes / 1979
Genera of freshwater nematodes (Nematoda) of eastern North America / 1973
Genera Quadrigula through Zygnema collected from eastern and southeastern lakes / 1979
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