Search Results for the EPA National Library Catalog

Items Found: 5692

Showing: Items 5551 - 5600

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Select Item Title Year Published
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 guide to biodiversity indicators 2005
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
Validity of effluent and ambient toxicity tests for predicting biological impact, Skeleton Creek, Enid, Oklahoma / 1986
Validity of laboratory tests for predicting copper toxicity in streams / 1976
Value of Multiple Endpoint Data in Reproductive Toxicology: Revelations in the Rat. 1988
Variability and management of large marine ecosystems / 1986
Variability of 'Stephanodiscus hantzschii Grun' (Ueber die Variabilitaet von 'Stephanodiscus hantzschii Grun'). 1974
Variability of crustacean zooplankton data generated by the Great Lakes National Program Office's annual water quality survey / 2003
Variable Selectivity and the Role of Nutritional Quality in Food Selection by a Planktonic Rotifer. 1990
Variation / 2005
Vascular Aquatic Plants in Acid Mine Water of the Monongahela River, West Virginia. 1971
Verhandlungen der Internationalen Vereinigung fèur Theoretische und Angewandte Limnologie. 1922
Vertebral Abnormalities in Juvenile Inland Silversides 'Menidia beryllina' Exposed to Terbufos during Embryogenesis. 1990
Vertebrate adaptations; readings from Scientific American. 1968
Vertebrate development in vitro 1997
Viable 'Legionella pneumophila' Not Detectable by Culture on Agar Media. 1987
Viruses and cancer 1985
Vision and change in undergraduate biology education : a call to action : final report of a national conference / 2011
Volunteer Lake Monitoring Program, 1989. Volume 6. Southwestern Illinois Region. 1990
Volunteer Lake Monitoring Program, 1989. Volume 7. Southern Illinois Region. 1990
Washington coastal areas of major biological significance 1977
Waste Disposal. 1976
Wastes Management Concepts for the Coastal Zone: Requirements for Research and Investigation. 1970
Wastewater Facilities and the Clean Water Plan. 1977
Wastewater Facilities and the Clean Water Program. Appendices. 1977

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