Search Results for the EPA National Library Catalog

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Proceedings of the first and second USA-USSR symposia on the effects of pollutants upon aquatic ecosystems. 1978
Proceedings of the First National Workshop on Biological Criteria : held in Lincolnwood, Illinois, December 2-4, 1987 / 1988
Proceedings of the International Workshop on Biological Testing of Effluents (and Related Receiving Waters), September 10 through 14, 1984, Duluth, Minnesota U.S.A. 1984
Proceedings of the seminar on biological monitoring and its use in the NPDES permit program : held at the Conrad Hilton Hotel, Chicago, Illinois, October 2, 1979 / 1980
Proceedings of the third USA-USSR Symposium on the effects of pollutants upon aquatic ecosystems : theoretical aspects of aquatic toxicology, July 2-6, 1979, Borok, Jaroslav Oblast, USSR / 1980
Proceedings of the Workshop on the SENCAR Mouse in Toxicological Testing Held at Cincinnati, Ohio on May 1-2, 1985. 1986
Proceedings of Workshop on Microorganisms in Urban Stormwater Held at Edison, New Jersey, on March 24, 1975. 1976
Proceedings of Workshop on Microorganisms in Urban Stormwater, Edison, New Jersey, March 24, 1975 / 1979
Proceedings, AWWA Water Quality Technology Conference : Miami Beach, Florida, December 7-10, 1980 1981
Proceedings, AWWA Water Quality Technology Conference Denver, Colorado, December 2-5, 1984 / 1984
Program review proceedings of environmental effects of enegy related activities on marine/esturine ecosystems / 1977
Progress in standardization of aquatic toxicity tests / 1993
Project Manager's Guide to Requesting and Evaluating Chemical Analyses. Puget Sound Estuary Program. 1991
Project Summary: Ultraviolet Disinfection of a Secondary Effluent. Measurement of Dose and Effects of Filtration. 1984
Proposed Biological Testing Methods for the United States Incineration-at-Sea Research Program. 1988
Protocol for juvenile Neanthes sediment bioassay / 1990
Protocol for testing the effects of fungal pesticides on nontarget beetles using Hippodamia convergens (Coleoptera: Coccinellidae) / 1992
Protozoan Sources of Spontaneous Coliform Occurrence in Chlorinated Drinking Water. 1989
Provisional algal assay procedures. 1971
Pseudomonas Aeruginosa-Fecal Coliform Relationships in Estuarine and Fresh Recreational Waters. 1976
Pulmonary Bioassay Screening Study in Rats with Sepiolite-Hydrated Magnesium Silicate and Sepiolite Nanoclay-Organically Modified Hydrated Magnesium Silicate. 2008
Pulmonary Bioassay Screening Study with Sepiolite-Hydrated Magnesium Silicate, and Sepiolite Nanoclay-Organically Modified Hydrated Magnesium Silicate. 2008
Pymatuning Reservoir, Crawford County, Pennsylvania and Ashtabula County, Ohio. 1975
Quality assurance guidelines for biological testing / 1978
Quality assurance practices for the chemical and biological analyses of water and fluvial sediments / 1982
Quality Control and Quality Assurance Procedures for Level 1 Health Effects Bioassays. 1983
Quantitative aquatic biological indicators : their use to monitor trace metal and organochlorine pollution / 1980
Quantitative Assessment of Cancer Risk from Exposure to Diesel Engine Emissions. 1993
Quantitative Cancer Risk Assessment Methodology Using Short-Term Genetic Bioassays: The Comparative Potency Method. 1985
Quantitative Genetic Activity Graphical Profiles for Use in Chemical Evaluation. 1991
Rabbit Lake, Crow Wing County, Minnesota. 1975
Raccoon Lake, Marion County, Illinois. 1975
Rangeley Lake, Franklin County, Maine. 1974
Rapid Aquatic Toxicity Assay Utilizing Labeled Thymidine Incorporation in Sea Urchin Embryos. 1984
Rapid Assays of Plant Responses to Herbicide Treatment. 1988
Rapid assessment of water quality, using the fingernail clam, Musculium transversum / 1978
Rapid bioassessment : an overview of applications, methods, and assessment approach / 1988
Rapid bioassessment protocols for use in streams and rivers : benthic macroinvertebrates and fish / 1989
Rapid bioassessment protocols for use in wadeable streams and rivers : periphyton, benthic macroinvertebrates and fish / 1999
Rapid chemical and biological techniques for water monitoring / 2009
Rapid Glutamate Decarboxylase Assay for Detection of 'Escherichia coli'. 1993
Rapid, Quantitative Bioassay for Detecting Phytotoxic Gases Using Stress-Ethylene. 1982
Rat Oral Subchronic Toxicity Study. Compound: Isobutyl Alcohol. 1987
Rate of Skin Absorption of Parathion and Paraoxon. 1965
Rathbun Reservoir, Appanoose, Lucas, Monroe, and Wayne Counties, Iowa. 1976
Rationale for Assessment of Risk from Exposure to 2,3,7,8-TCDD. 1986
Rationale for sampling and interpretation of ecological data in the assessment of freshwater ecosystems : a symposium sponsored by ASTM Committee D-19 on Water, Philadelphia, PA, 31 Oct.-1 Nov. 1983 / 1986
Re-evaluation of the state of the science for water-quality criteria development / 2003
Recommended bioassay procedure for brook trout Salvelinus Fontinalis (Mitchill) partial chronic tests / 1972
Recommended guideline for acute dermal toxicity test 1981
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