Search Results for the EPA National Library Catalog

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Spring Lake, Washington and Dakota Counties, Minnesota. 1975
Spruce Run Reservoir, Hunterdon County, New Jersey. 1976
St. Louis Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin. 1975
Stability of the Mutagenicity in Stored Cigarette Smokers' Urine and Extract. 1990
Stable Carbon Isotope Analysis of Nucleic Acids to Trace Sources of Dissolved Substrates Used by Estuarine Bacteria. 1990
Standard dispersant effectiveness and toxicity tests / 1973
Standard Practice for Conducting Fungal Pathogenicity Tests on the Lepidopteran Egg Parasite 'Trichogramma pretiosum' (Hymenoptera: Trichogrammatidae). 1990
Standard Practice for Conducting Fungal Pathogenicity Tests on the Predatory Mite 'Metaseiulus occidentalis' (Acari: Phytoseiidae). 1989
Standard Reference Materials for Chemical and Biological Studies of Complex Environmental Samples. 1992
Standard test fish development : part I, fathead minnows (Pimephales promelas) and goldfish (Carassius auratus) as standard fish in bioassays and their reaction to potential reference toxicants / 1976
Standardized bioassay techniques for the evaluation of waste effluents and potential pollutants in Texas waters : final report ; for the Texas Water Quality Board / 1972
Statement of sulfates research approach. 1977
Status and use of biocriteria in water quality monitoring 1999
Status of EPA's Bioresponse-Based Testing Program. 1994
Status of IERL-RTP environmental methodologies for fossil energy processes / 1978
Sterilizing, Carcinogenic and Teratogenic Effects of Metepa in Rats. 1966
Stillwater Lake Monroe County, Pennsylvania. 1975
Stockade Lake, Custer County, South Dakota. 1976
Storage and Excretion of DDT in Starved Rats. 1961
Strategies for the Use of Computational SAR Methods in Assessing Genotoxicity. 1989
Strategies for Using Bioassay Methods for the Identification of Hazardous Components and Comparative Risk Assessment of Complex Mixtures. 1987
Stream bottom samples (macroinvertebrate) from water quality trend stations, 1978 and 1979 / 1979
Stress Ethylene: A Bioassay for Rhizosphere-Applied Phytotoxicants. 1981
Structure-Genotoxic Activity Relationships of Pesticides: Comparison of the Results from Several Short-Term Assays. 1985
STUDIES format for toxicological data from chronic rodent bioassays. 1989
Studies on the Percutaneous Absorption of Parathion and Paraoxon. V. Rate of Absorption of Paraoxon. 1961
Studies on the Safety of DDVP for the Disinsection of Commercial Aircraft. 1961
Studies on the Toxicity of O,O-Dimethyl-2,2-Dichlorovinyl Phosphate (DDVP). 1956
Studies to determine methods for culturing three freshwater zooplankton species / 1975
Study of aftertreatment and fuel injection variables for particulate control in heavy duty diesel engines / 1982
Study of Certain Blood Indices during Long-Term Administration of Vanadyl Sulfate. 1976
Study of Mercurials in the Elephant Butte Reservoir Ecosystem. 1973
Study of Pulp and Paper Mill Pollution in Puget Sound. 1965
Study of the Delaware County Number 3 Incinerator in Broomall, Pennsylvania. 1970
Study of the ecology of pesticides / 1974
Study of the Effects of Nitrilotriacetic Acid on Mammalian Liver and Intestinal Enzymes. 1971
Subacute Intubation Study on Rats with the Compound 2,3,7,8-Tetrachloridioxin. 1974
Subchronic Toxicity of Meta-Cresol in Sprague Dawley Rats: MBA Chemical No. 24 (Revised). 1988
Subchronic Toxicity of Para-Cresol in Sprague Dawley Rats: MBA Chemical No. 25. 1988
Subchronic Toxicology of Humic Acid Following Chlorination in the Rat. 1985
Substitute chemical program, the first year of progress : proceedings of a symposium / 1975
Suitability of Sheepshead Minnows ('Cyprinodon variegatus') for Life-Cycle Toxicity Tests. 1977
Summary of biological assessment programs and biocriteria development for states, tribes, territories, and interstate commissions : streams and wadeable rivers / 2002
Summary of the EPA workshop on carcinogenesis bioassay via the dermal route : April 28-29, 1987, Washington, D.C. / 1987
Summary of the Second EPA (Environmental Protection Agency) Workshop on Carcinogenesis Bioassay via the Dermal Route. 1988
Superfund record of decision : Republic Steel Quarry, OH. 1988
Superior Bay, St. Louis County, Minnesota, and Douglas County, Wisconsin. 1975
Suppression of Viral Replication by Guanidine: A Comparison of Human Adenoviruses and Enteroviruses (Journal Version). 1988
Surplus Phosphorus Uptake by Microorganisms. Batch Tests with Dilute Activated Sludge Cultures. 1969
Survey and evaluation of techniques used in testing chemical substances for teratogenic effects : final report / 1977
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