Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Stochastic abundance models, with emphasis on biological communities and species diversity / 1978
Strain Comparisons of DFP Neurotoxicity in Rats. 1993
Stream Condition Along a Disturbance Gradient on Kauai: Strengthening Hawaiian Stream Assessment. 2004
Stressor data sets for studying species diversity at large spatial scales / 1995
Stressor Identification (SI) at Contaminated Sites: Upper Arkansas River, Colorado. 2011
Structure and Sequence Divergence of Two Archaebacterial Genes. 1985
Structure of the Gas Exchange Region of the Lungs Determined by Three-Dimensional Reconstructions. 1990
Studies on Algae from Eutrophic and Oligotrophic Waters and Their Use in the Bio-Assay of Water Quality. 1970
Studies on Benthic Nematode Ecology in a Small Freshwater Pond. 1973
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
Study of the California red-legged frog (Rana aurora draytonii) of Butte County, California 1999
Study of the effects of riprap on chinook salmon in the Sacramento River, California 1988
Submerged Aquatic Vegetation Distribution in Tributaries of Tampa Bay. 1995
Submerged aquatic vegetation policy for the Chesapeake Bay and tidal tributaries : an Agreement Commitment Report from the Chesapeake Executive Council. 1989
Suitability of Sheepshead Minnows ('Cyprinodon variegatus') for Life-Cycle Toxicity Tests. 1977
Summary of Percent Emergency and Seedling Dry Weight Biomass at Test Termination (Day 21) for the Exposure of Six Plant Species to Bisphenol A. 2007
Summary of Percent Emergency and Seedling Dry Weight Biomass at Test Termination (Day 21) for the Exposure of Six Plant Species to Bisphenol A. 2007
Summary of public comments on the draft environmental impact statement for grizzly bear recovery in the Bitterroot ecosystem. 1998
Summary of the Second EPA (Environmental Protection Agency) Workshop on Carcinogenesis Bioassay via the Dermal Route. 1988
Summary report on issues in ecological risk assessment / 1991
Sunlight Induced Photochemical Decay of Oxidants in Natural Waters: Implications in Ballast Water Treatment. 2006
Supplemental Volume to Accompany Draft Environmental Impact Statement for Land Use Authorizations for: Boulder Hydro Gravity Line, Long Draw Reservoir, Joe Wright Reservoir 1993
Survey & manage record of decision standards & guidelines [electronic resource]. 2001
Survey of the marine benthic infauna collected from the United States radioactive waste disposal sites off the Farallon Islands, California / 1983
Survival and Detection of 'Bacteroides' spp., Prospective Indicator Bacteria. 1985
Survival Differences among Freeze-Dried Genetically Engineered and Wild-Type Bacteria. 1993
Survival of Enteric Pathogens and Indicator Organisms in Natural Waters. 1973
Survival of Intestinal Bacteria in Oligotrophic Waters. 1973
Survival or surrender for endangered wildlife. 1965
Survival Strategies of Bacteria in the Natural Environment. 1987
Susceptibility of the Convergent Lady Beetle ('Coleoptera: Coccinellidae') to Four Entomogenous Fungi. 1993
Symposium on Ballast Water Management and Aquatic Nuisance Species: Setting a Research Agenda for the Great Lakes. Held in Duluth, Minnesota on April 29, 1999. 1999
Symposium on protecting the marine environment : research and regulation / 1978
Symposium Overview: Symposium on Application of Pharmacokinetics in Developmental Toxicity Risk Assessments. 1991
Synthesis of Basic Life Histories of Tampa Bay Species. 1992
Synthesis of Ecological and Fish-Community Changes in Lake Ontario, 1970-2000. 2005
Tagged Species Engineering Model (TSEM). 1992
Takings after Lucas : the constitutional implications of environmental regulation / 1992
Taxonomy and Biology of Sludge Worms. 1969
Taxonomy and ecology of Stenonema mayflies (Heptageniidae:Ephemeroptera) / 1974
Technical synthesis : scientific issues relating to temperature criteria for salmon, trout and char native to the Pacific northwest : a summary report submitted to the Policy Workgroup of the EPA Region 10 Water Temperature Criteria Guidance Project / 2001
Temperature Preferences and Tolerances of Three Fish Species Inhabiting Hyperthermal Ponds on Mangrove Islands. 1993
Temporal and Spatial Variability of Fecal Indicator Bacteria: Implications for the Application of MST Methodologies to Differentiate Sources of Fecal Contamination. 2005
Tennessee purple coneflower. 1989
Test methods for assessing the effects of chemicals on plants / 1975
Test of Criteria for Introduced Species: The Global Invasion by the Isopod 'Synidotea laevidorsalis' (Miers, 1881). 1991
Testacea (Protozoa: Sarcodina) as Indicators of Water Quality in Western Montana. 1974
The African elephant. 1989
The Bioenvironmental impact of a coal-fired power plant. Colstrip, Montana, June 1975 / Second interim report : 1976
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