Search Results for the EPA National Library Catalog

Items Found: 968
Showing: Items 551 - 600
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Select Item Title Year Published
Habitat Use of Twenty-Five Common Species of Oregon Freshwater Fishes. 1988
Haloethers : ambient water quality criteria. 1978
Halomethanes: Ambient Water Quality Criteria. 1978
Handbook of freshwater fishery biology 1969
Hardiness of Fish and Invertebrates Under Changes in the Salinity of their Environment and the Methods of the Determination of this Hardiness (Vynoslivost ryb i Bespozvonocnyx pri Izmenenii Solenosti Sredy i Metodiki ee Opredeleniya). 1960
Hazard Evaluation Division standard evaluation procedure : acute toxicity test for freshwater fish / 1985
Hazard Evaluation Division standard evaluation procedure : acute toxicity test for freshwater invertebrates [Microfiche] / 1985
Hazard Evaluation Division standard evaluation procedure : fish early life-stage test / 1986
Health effects criteria for fresh recreational waters / 1984
Heat and Water Vapor Exchange Between Water Surface and Atmosphere. 1973
Hexachlorocyclohexane : ambient water quality criteria. 1979
Histochemical and Cytophotometric Assay of Acid Stress in Freshwater Fish. 1971
Horokiwi stream : a study of a trout population / by K. Radway Allen. 1951
Host Specificity of 'Calyptospora funduli' (Apicomplexa: Calyptosporidae) in Atheriniform Fishes. 1993
How should research and monitoring be integrated? / 1984
How to know the aquatic plants 1969
How to know the fresh-water algae; an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named pictured and with numerous aids for their study. 1954
How to know the freshwater fishes / 1969
How to know the freshwater fishes : pictured-keys for identifying all of the freshwater fishes of the United States, and also including a number of marine species which often enter freshwater / 1957
Hydrobiological studies. 1966
Hydrogen Peroxide Decay in Waters with Suspended Soils: Evidence for Biologically Mediated Processes. 1990
Hydrography of the Pamlico River Estuary, n.C.. 1970
Hypolimnetic flow regimes : in lakes and impoundments / 1974
Impact of Freshwater Flow Variations in the Manatee River. 1994
Impact of Power Plant Entrainment of Ichthyoplankton on Juvenile Recruitment of Four Fishes in Western Lake Erie in 1975-77. 1982
Impacts of Freshwater Wetlands on Water Quality: A Landscape Perspective. 1988
Impacts of Section 404 Permits Requiring Compensatory Mitigation of Freshwater Wetlands in Texas and Arkansas. 1993
Impacts of sediment and nutrients on biota in surface waters of the United States / 1979
Impacts on quality of inland wetlands of the United States : a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Impacts on quality of inland wetlands of the United States a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Imperiled waters, impoverished future : the decline of freshwater ecosystems / 1996
Importance of Trophic Transfer in the Bioaccumulation of Chemical Contaminants in Aquatic Ecosystems. 1984
Improved Enumeration Methods for the Recreational Water Quality Indicators: Enterococci and 'Escherichia coli'. 2000
In situ Bioassays of Brook Trout ('Salvelinus fontinalis') and Blacknose Dace ('Rhinichthys atratulus') in Adirondack Streams Affected by Episodic Acidification. 1993
Indicators for Monitoring Biological Integrity of Inland, Freshwater Wetlands: A Survey of North American Technical Literature (1990-2000). 2001
Industrial waste guide on thermal pollution. 1968
Influence of a Hexachlorobiphenyl in Great Lakes Phytoplankton in Continuous Culture (Journal Version). 1982
Influence of advanced wastewater treatment on the fishery resource of Shagawa Lake, Minnesota / 1980
Influence of Alternative Electron Acceptors on the Anaerobic Biodegradability of Chlorinated Phenols and Benzoic Acids. 1993
Influence of Alternative Electron Acceptors on the Anaerobic Biodegradability of Chlorinated Phenols and Benzoic Acids. 1993
Influence of impoundments on water quality : a review of literature and statement of research needs, October 1964 / 1964
Influence of turbidity on fish abundance in western Lake Superior / 1978
Influences of strip mining on the hydrologic environment of parts of Beaver Creek Basin Kentucky, 1955-59 1964
Initial Submission: Determination of Acute Toxicity to Daphnia Magna with (Confidential), Functionalized Polymethine Infra Red Absorber, with Cover Letter dated 08/04/1999. (Sanitized). 1999
Inland fishes of California 1976
Inland fishes of Washington 1979
Inland Water Pollution Follow-Up Report. 1978
Inland waters and their ecology 1973
Insecticide persistence in natural seawater as affected by salinity, temperature, and sterility / 1978
Intensive Survey of the Edwards River and Pope Creek, 1991. 1993
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