Search Results for the EPA National Library Catalog

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Showing: Items 601 - 650
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Selection of an alga for a photosynthetic gas exchanger / 1960
Sensitivity of glochidial stages of freshwater mussels (Bivalvia: Unionidae) to copper / 1997
Sewer system evaluation and rehabilitation {draft technical bulletin}. 1975
Sewer system evaluation, rehabilitation and new construction : a manual of practice / 1977
Short-Term Methods for Assessing in vivo Carcinogenic Activity of Complex Mixtures. 1982
Short-term screening test for quick responses to pollutants where health effects data are lacking {microform} / 1982
Single laboratory evaluation of an immunoasssay for alachlor / 1993
Slurry walls : design, construction, and quality control / 1992
Small diameter gravity sewers : an alternative for unsewered communities / 1986
Small diameter gravity sewers : an alternative for unsewered communities / 1986
Social gamble : determining acceptable levels of air quality 1979
Soil survey, Crowley County, Colorado 1968
Solar energy technology and applications / 1977
Solvent Extraction Processing for Coal Conversion Wastewaters. 1982
Some applications of models to air toxics impact assessment by Daniel J. McNaughton, Marshall A. Atwater, and Richard J. Londergan. 1986
Source assessment : glass container manufacturing plants / 1976
Source assessment : pressed and blown glass manufacturing plants / 1977
Source testing of a stationary coke-side enclosure (volume 1 of 12) : Burns Harbor Plant, Bethlehem Steel Corporation, Chesterton, Indiana / 1977
Sources and treatment of wastewater in the nonferrous metals industry / 1980
South Florida Ecosystem Assessment: Phase I/II (Technical Report) - Everglades Stressor Interactions: Hydropatterns, Eutrophication, Habitat Alteration, and Mercury Contamination. 2001
Spawning Success of the Black Crappie, 'Pomoxis nigromaculatus', at Reduced Dissolved Oxygen Concentration. 1977
Special problems in toxic substances litigation after Manville, 1983 1983
Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (Mid-Atlantic) Alewife/blueback herring / 1983
Springer gas play in western Oklahoma. 2001
Standard test procedures for evaluating leak detection methods : pipeline leak detection systems / 1990
Statement by Mayor Richard J. Daley before the House Subcommittee on Natural Resources and Power 1963
Status of gaseous fuels for use in highway transportation : a 1983 perspective / 1983
Strategies for field calibration and validation of groundwater models 1992
Strategies for the Use of Computational SAR Methods in Assessing Genotoxicity. 1989
Strategies for the Use of Computational SAR Methods in Assessing Genotoxicity. 1989
Stream dispersion at selected sites, 1970
Striped bass / 1983
Structure-Activity Relationships. Computerized Systems. 1990
Structure-Activity Study of Paracetamol Analogues: Inhibition of Replicative DNA Synthesis in V79 Chinese Hamster Cells. 1991
Studies of ingestion dose pathways from the nuclear fuel services fuel reprocessing plant / 1974
Study of atmospheric pollution scavenging : eighteenth progress report / 1980
Study of atmospheric pollution scavenging : nineteenth progress report / 1981
Study of pathogenic free-living amebas in fresh-water lakes in Virginia / 1981
Study of Pathogenic Free-Living Amebas in Fresh-Water Lakes in Virginia. 1980
Study of Some Physical and Chemical Environmental Features of a Large Sewage Oxidation Pond. Part I. 1967
Study of tidal dispersion in the Potomac River 0
Study to evaluate carbon monoxide and hydrogen sulfide continuous emission monitors at an oil refinery {microform} / 1982
Sublethal effects of pollutants : life table evaluation of chronic exposure of öEöuöröyötöeömöoöröa öaöföföiönöiös (Copepoda) to Kepone / 1980
Sublethal effects of pollutants : test of the usefulness of life tables for evaluating the impact of chronic toxicity 1980
Subsurface soil absorption of wastewater artificially drained systems / 1981
Subsurface soil absorption of wastewater mound systems / 1981
Summary data on substitutes for polychlorinated biphenyls (PCBs) 1981
Summary of the oceanography and surface wind structure of the Pacific subarctic region in relation to waste releases at sea / 1970
Summary of the Oceanography and Surface Wind Structure of the Pacific Subarctic Region in Relation to Waste Releases at Sea. 1970
Summary statistics and graphical comparisons of historical hydrologic and water-quality data, Seco Creek Watershed, South-Central Texas 1998
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