Search Results for the EPA National Library Catalog

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Relative Sensitivity of Six Estuarine Fishes to Carbophenothion, Chlorpyrifos, and Fenvalerate. 1985
Reliable, Efficient, Microinjection Apparatus and Methodology for the In vivo Exposure of Rainbow Trout and Salmon Embryos to Chemical Carcinogens. 1985
Research in Water Supply and Water Pollution at the Robert A. Taft Sanitary Engineering Center. 1959
Review and evaluation of available techniques for determining persistence and routes of degradation of chemical substances in the environment / 1975
Review of single species toxicity tests : are the test reliable predictors of aquatic ecosystem community responses? / 1999
Reviews of Current Literature on Analytical Methodology and Quality Control No. 19. 1973
Reviews of Current Literature on Analytical Methodology and Quality Control. No. 18. 1973
Rhode Island Water Resources Research Program, Annual Report (7th). 1971
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incineration Facility (East Liverpool, Ohio). Volume 6. Screening Ecological Risk Assessment. 1997
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incinerator Facility (East Liverpool, Ohio). Volume 6. Screening Ecological Risk Assessment (SERA). 1995
Sanitary Significance of Fecal Coliforms in the Environment. 1966
Sanitary Significance of Fecal Coliforms in the Environment. 1966
Sensitivity of Vertebrate Embryos to Heavy Metals as a Criterion of Water Quality-Phase I. 1973
Sensitivity of Vertebrate Embryos to Heavy Metals as a Criterion of Water Quality. 1973
Significance of the Coliform Group of Bacteria and of Other Bacteria as a Criterion of the Sanitary Quality of Water. 1945
Significance of the Fecal Streptococci, Coliform Bacteria and Coliphage in Relationship to Enteric Virus Pollution in Sewage and Rivers. 1972
Slime growth evaluation of treated pulp mill waste / 1971
Spatial and seasonal structure of rotifer communities in Lake Huron / 1979
Species Composition and Diversity of Polychaetes in the New York Bight. 1973
Studies on Algae from Eutrophic and Oligotrophic Waters and Their Use in the Bio-Assay of Water Quality. 1970
Studies to determine the absorption and excretion dynamics of lead / 1980
Study of Phytoplankton Dynamics in Lake Fayetteville as a Means of Assessing Water Quality. 1971
Suitability of Sheepshead Minnows ('Cyprinodon variegatus') for Life-Cycle Toxicity Tests. 1977
Survival and Detection of 'Bacteroides' spp., Prospective Indicator Bacteria. 1985
Survival of Enteric Pathogens and Indicator Organisms in Natural Waters. 1973
Survival of Intestinal Bacteria in Oligotrophic Waters. 1973
Survival Strategies of Bacteria in the Natural Environment. 1987
Taxonomy and Biology of Sludge Worms. 1969
Taxonomy and ecology of Stenonema mayflies (Heptageniidae:Ephemeroptera) / 1974
Test methods for assessing the effects of chemicals on plants / 1975
Testacea (Protozoa: Sarcodina) as Indicators of Water Quality in Western Montana. 1974
The Bioenvironmental impact of a coal-fired power plant. Colstrip, Montana, June 1975 / Second interim report : 1976
The common phytoplankton genera from eastern and southeastern lakes / 1979
The Indicator development strategy for the Environmental Monitoring and Assessment Program / 1992
The role of trace elements in management of nuisance growths / 1975
Toxic Contamination Sources Assessment: Task 1. Risk Assessment for Chemicals of Potential Concern and Methods for Identification of Specific Sources. 1996
Toxicant-Induced Behavioral and Histological Pathology. A Auantitative Study of Sublethal Toxication in the Aquatic Environment. 1964
Tracheal Organ Culture as Air Pollution Damage Indicator. 1981
Tradescantia MCN (Micronuclei)-in-Tetrad Mutagen Test-on-Site Monitoring and Further Validation. 1981
Use of aquatic oligochaete, Lumbriculus variegatus, for effluent biomonitoring / 1980
Use of Microscopic Organisms as Ecological Indicators and Methods of Sampling and Manipulation. 1945
Use of Periphyton in the Development of Biocriteria. 1994
Utility of Toxicity Tests to Measure Effects of Substances on Marine Organisms. 1982
Utilization of Topsmelt, 'Atherinops affinis', in Environmental Toxicology Studies along the Pacific Coast of the United States. 1993
Validity of Fecal Coliforms, Total Coliforms, and Fecal Streptococci as Indicators of Viruses in Chlorinated Primary Sewage Effluents. 1978
Vegetative Delineation of Coastal Salt Marsh Boundaries. 1984
Vegetative Delineation of Coastal Salt Marsh Boundaries: Evaluation of Methodology. 1982
Waste Treatment Protozoa Flagellata. 1962
Water Quality Criteria Data Book, Volume V, Effects of Chemicals on Aquatic Life. 1973
Water quality criteria data book. selected data from the literature through 1968 / Volume 3, Effects of chemicals on aquatic life : 1971
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