Search Results for the EPA National Library Catalog

Items Found: 957

Showing: Items 101 - 150



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Baseline studies and impacts of navigation on the benthos and drift (work task 6), on the quantity of flow to side channels (work task 14), and on the suspended matter entering side channels (work task 16) of Pool 9 of the Upper Mississippi River 1981
Baseline study of the water quality, sediments, and biota of Lake Union, 1977
Basic issues in Great Lakes research : proceedings of a workshop sponsored by the U.S. National Science Foundation and the University of Michigan, 1-3 November 1986, Kellogg Biological Station, Hickory Corners, Michigan / 1987
Bear Lake and its future. 1962
Beginner's guide to fresh-water life; 1950
Behavior of certain radionuclides released into fresh-water environments : annual report, [1959-1960]. 1965
Behavior of mercury, chromium, and cadmium in aquatic systems / 1977
Benefits Assessment of Water Pollution Control Programs Since 1972: Part 1, The Benefits of Point Source Controls for Conventional Pollutants in Rivers and Streams. Final Report. 2000
Benthic invertebrate assemblages and their relation to physical and chemical characteristics of streams in the Eastern Iowa basins, 1996-98 2001
Benthic macroinvertebrates as indexes of water quality in the Scioto River basin, Ohio 1975
Benthos and periphyton communities in riffles of the Clearwater River, Idaho / by C. Michael Falter and Robert D. Walker, College of Forestry, University of Idaho; submitted to Army Corps of Engineers, Walla Walla District. 1972
Bibliography for larval fish identification / 1975
Bibliography of limnology and aquatic fauna and flora of Saskatchewan, 1974
Bibliography of research products in the fields of freshwater ecology and toxicology, 1967-1990 / 1990
Bibliography on the effects of temperature in the aquatic environment 1967
Bio-indices of pollution in the Willamette River / 1952
Bioaccumulation factors for radionuclides in freshwater biota 1975
Bioassessment of freshwater ecosystems : using the reference condition approach / 2004
Biochrome analysis as a method for assessing phytoplankton dynamics phase I / 1974
Bioconcentration of Decamethylcyclopentasiloxane in Rainbow Trout with Cover Letter dated 04/20/94. 1994
Bioconcentration of Eicosamethylnonasiloxane (MD7M) in Rainbow Trout with Cover Letter Dated 04/20/1994. 1994
Bioconcentration of Hexadecamethylcyclooctosiloxane in the Rainbow Trout with Cover Letter Dated 04/20/1994. 1994
Biodegradability Study of Test Substances (Confidential), (Confidential), and (Confidential) (with Polydimethylsiloxand and Tolytriazole) using the CEC L-33-A-94 Test, with Cover Letter dated 10/02/1997. (Sanitized). 1997
Biodegradation of polynuclear aromatic hydrocarbon pollutants by soil and water microorganisms final report / 1976
Biodiversity in land-inland water ecotones 1997
Biological aspects of freshwater pollution : proceedings of the course held at the Joint Research Centre of the Commission of the European Communities. Ispra, Italy, 5-9 June 1978 / 1979
Biological associated problems in freshwater environments: their identification, investigation and control 1967
Biological characteristics of the St. Lawrence River : preliminary report 1977
Biological criteria : guide to technical literature / 1991
Biological criteria for the protection of aquatic life / 1987
Biological criteria for the protection of aquatic life. Volume 3, Standardized biological field sampling and laboratory methods for assessing fish and macroinvertebrate communities. 1989
Biological effects of chloride and sulfate with special emphasis on the Laurentian Great Lakes 1981
Biological field investigative data for water pollution surveys, by William Marcus Ingram, Kenneth M. Mackenthun and Alfred F. Bartsch. 1966
Biological indicators of freshwater pollution and environmental management 1986
Biological monitoring of aquatic systems / 1994
Biological monitoring of the Holston River near Saltville, Virginia between August 17, 1971, and October 11, 1972 / by James L. LaBuy. 1974
Biological release and recycling of toxic metals from lake and river sediments 1978
Biological survey of streams of Coles County, Illinois, 1967-1970. 1972
Biological survey of the Clinton River, Pontiac to mouth, 1973. 1973
Biological survey of the James River and adjacent waters in the vicinity of Covington, Virginia : 1961 / The Institute of Paper Chemistry. 1962
Biological test method. Growth inhibition test using the freshwater alga Selenastrum capricornutum / 1992
Biological, habitat, and water quality conditions in the upper Merced River drainage, Yosemite National Park, California, 1993-1996 / 1999
Biology : a technical report containing background data for a water pollution control program. 1968
Biology and ecology of fishes 1995
Biology of fresh waters 1990
Biology of freshwater pollution / 1991
Biology of freshwater pollution / 1981
Biology of freshwater pollution / 1996
Biology of polluted waters 1966
Biology of water pollution : a collection of selected papers on stream pollution, waste water, and water treatment / 1967
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