Search Results for the EPA National Library Catalog

Items Found: 5612
Showing: Items 5451 - 5500
Your Search: (SUBJECT=Biology)


 
 
 
Select Item Title Year Published
Uptake and Toxicity of Toxaphene in Several Estuarine Organisms. 1976
Uptake of Cerium-144, Promethium-147, and Plutonium-238 by Oat Plants from Soils. 1971
Uptake of Insecticides by Freshwater Mussels and the Effects of Sublethal Concentrations of Insecticides on These Mussels. 1972
Uptake of Metals from Chromated-Copper-Arsenate (CCA)-Treated Lumber by Epibiota. 1993
Uptake of Uranium from Drinking Water. 1987
Uptake, excretion, and physiological effects of hexachlorobenzene in growing lambs / 1976
Uptake, Translocation and Release of Phosphorus by 'Elodea densa'. 1984
Urban ecology : strategies for green infrastructure and land use / 2016
Urban ecosystem ecology / 2010
Urban forest landscapes : integrating multidisciplinary perspectives / 1995
Urban pest management : a report / 1980
Urban rainwater : from pollution source to resource via value-added design / 2002
Urban stormwater and combined sewer overflow impact on receiving water bodies : proceedings of the national conference, Orlando, Florida November 26-28, 1979 / 1980
Use and Nutritional Value of 'Artemia' as a Food Source. 1986
Use of a Simple Experimental Device to Study Water Pollution in Situ: Comparative Effects of Three Anti-Petroleum Emulsive Agents (Utilisation d'un Dispositif Experimental Simple pour L'Etude de la Pollution des Eaux in Situ: Effets Compares de Trois Agents Emulsionnants Anti-Petrole). 1974
Use of aquatic lethality tests to estimate safe toxicant concentrations for initial ecolological risk assessments / 1989
Use of Aquatic Plants in the Rehabilitation of Acid Polluted Streams. 1972
Use of arthropods to evaluate water quality of streams 1977
Use of Asbestos-Cement Pipe. 1981
Use of biological specimens for the assessment of human exposure to environmental pollutants proceedings of the International Workshop at Luxembourg, 18-22 April 1977 / 1979
Use of DNA:DNA Colony Hybridization in the Rapid Isolation of 4-Chlorobiphenyl Degradative Bacterial Phenotypes. 1986
Use of Ecoregions in Biological Monitoring. 1992
Use of forest site index for evaluating terrestrial resources at risk from acidic deposition {microfiche} 1990
Use of immunotoxicity assays in aquatic biology research. 1999
Use of Limited Protocols to Evaluate the Genotoxicity of Hazardous Wastes in Mammalian Cell Assays: Comparison to 'Salmonella'. 1987
Use of Molecular Negentropy to Encode Structure Governing Biological Activity. 1980
Use of Perifusion to Evaluate Hormonal Release In vitro from Rat Pituitary and Hypothalamic Tissue. 1992
Use of Periphyton in the Development of Biocriteria. 1994
Use of Pesticides in Suburban Homes and Gardens and Their Impact on the Aquatic Environment. 1972
Use of Primate Folliculogenesis Models in Understanding Human Reproductive Biology and Applicability to Toxicology. 1988
Use of small otter trawls in coastal biological surveys / 1978
Use of the Amphipod Crustacean 'Hyalella Azteca' in Freshwater and Estuarine Sediment Toxicity Tests. 1988
Use of the Aquatic Oligochaete 'Lumbriculus variegatus' for Assessing the Toxicity and Bioaccumulation of Sediment-Associated Contaminants. 1993
Use of the Grass Shrimp 'Palaemonetes pugio' in a Life-Cycle Toxicity Test. 1979
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems / 1989
Use of Whole Embryo Culture for Evaluating Toxicity and Teratogenicity. 1984
User guide: acute to chronic estimation / 1999
User's manual for the instream sediment-contaminant transport model SERATRA / 1982
Uses of Environmental Maps in Determining Areas of Noncompliance. 1977
Using reproductive and developmental effects data in ecological risk assessments for oviparous vertebrates exposed to contaminants / 1998
Using the biological literature : a practical guide / 2002
Using the DNA Alkaline Unwinding Assay to Detect DNA Damage in Laboratory and Environmentally Exposed Cells and Tissues. 1990
Utility of Toxicity Tests to Measure Effects of Substances on Marine Organisms. 1982
Utilization of a Response-Surface Technique in the Study of Plant Responses to Ozone and Sulfur Dioxide Mixtures. 1984
Utilization of Trifluorothymidine (TFT) to Select for Thymidine Kinase-Deficient Mutants from L5178Y/TK Mouse Lymphoma Cells. 1981
Validation of Protocols for Assessing Early Pregnancy Failure in the Rat: Clomiphene Citrate. 1991
Validity of ambient toxicity tests for predicting biological impact, Ohio River, near Wheeling, West Virginia / 1986
Validity of effluent and ambient toxicity tests for predicting biological impact, Kanawha River, Charleston, West Virginia / 1986
Validity of effluent and ambient toxicity tests for predicting biological impact, Scippo Creek, Circleville, Ohio / 1985
Validity of effluent and ambient toxicity tests for predicting biological impact, Skeleton Creek, Enid, Oklahoma / 1986

Save, Print or Email Selected Records