Search Results for the EPA National Library Catalog

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Sensitive Biochemical and Behavioral Indicators of Tract Substance Exposure - Part II, Platinum. 1981
Sensitivity of Vertebrate Embryos to Heavy Metals as a Criterion of Water Quality-Phase I. 1973
Sensitivity, Specificity and Accuracy of the Arabidopsis Assay in the Identification of Carcinogens. 1984
Shrimps (Arthropoda: Crustacea: Penaeidae). 1979
Skeletal Variants as an Indicator of Biological Effects of Environmental Contaminants. 1981
Slurry-Based Biotreatment of Polyaryl Contaminants Sorbed onto Soil. 1994
Statistical Analysis of the Spatial and Temporal Variability of the Ratio Chlorophyll A to Phytoplankton Cell Volume in Saginaw Bay, Lake Huron. 1978
Statistical summary : EMAP-estuaries Virginian Province - 1992 / 1994
Statistical summary : EMAP-estuaries, Louisianian Province - 1993 / 1995
Statistical summary : EMAP-estuaries, Virginian Province - 1990 to 1993 / 1995
Statistical Summary: EMAP-Estuaries. Virginian Province, 1991. 1994
Stream Surveys in Vicinity of Uranium Mills. IV. Area of Shiprock, New Mexico - November 1960. 1962
Studies to determine the absorption and excretion dynamics of lead / 1980
Suitability of Sheepshead Minnows ('Cyprinodon variegatus') for Life-Cycle Toxicity Tests. 1977
Summary of Ohio River fishery surveys, 1968-76 / 1978
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
Symposium: carcinogenic polynuclear aromatic hydrocarbons in the marine environment / 1982
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 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
Toxic effects of zinc on fathead minnows Pimephales promelas in soft water / 1978
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
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
Virginian Province demonstration report : EMAP-estuaries, 1990 / 1993
Water Quality Criteria to Protect the Fish Population Directly Below Sewage Outfalls. 1971
Zooplankton grazing and population dynamics relative to water quality in southern Lake Huron / 1980
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