Search Results for the EPA National Library Catalog

Items Found: 5590
Showing: Items 5401 - 5450
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Select Item Title Year Published
Turbulent Mixing in Aquatic Microcosms. 1980
Twisp River watershed analysis / 1995
Two eagles : the natural world of the United States-Mexico borderlands = Dos aguilas / 1994
Two Short-Term Toxicity Tests for the Calanoid Copepod 'Eurytemora herdmani' Using a Complex Effluent. 1986
Type B technical information document : guidance on use of habitat evaluation procedures and habitat suitability index models for CERCLA applications / 1987
Types and Effects of Microbial Contamination of Groundwater. 1989
U.S. "Mussel Watch" Program : transuranic element data from Woods Hole Oceanographic Institution, 1976-1983 / 1984
U.S. Fish and Wildlife Service biological opinion on selected pesticides : dated June 14, 1989. 1989
Ultrastructural Comparison of Ion Beam and Radiofrequency Plasma Etching Effects on Biological Tissue Sections. 1984
Ultrastructural pathology. 1980
Ultrastructural Study of Lesions in Gills of a Marine Shrimp Exposed to Cadmium. 1976
Ultrastructural study of the human diseased peripheral nerve 1987
Ultrastructure of Livers of Rats Fed DDT and Dieldrin. 1970
Ultrastructure of the Paraquat Lung Lesion in the Rat. 1972
Ultrastructure of Thyroid Gland in Rats Receiving PCBs. 1977
Ultraviolet radiation and coral reefs 1995
Ultraviolet Radiation-Induced Neoplastic Transformation of Normal Human Cells, In Vitro. 1981
Under a green sky : global warming, the mass extinctions of the past, and what they can tell us about our future / 2007
Under the sea wind 1996
Under the sea-wind : a naturalist's picture of ocean life / 1952
Understanding marine biodiversity : a research agenda for the nation / 1995
Understanding the Dynamics of Biological Systems Lessons Learned from Integrative Systems Biology / [electronic resource] : 2011
Unfinished synthesis : biological hierarchies and modern evolutionary thought / 1985
Unusual Polyhalogenated Chemical Residues Identified in Fish Tissue from the Environment. 1981
Update #2 to removal action levels. 1995
Updated Review of Estuarine Aquatic Toxicity Data for the Development of Aquatic Life Criteria for Atrazine in Chesapeake Bay. Phase 2 Report. 1994
Upper bay survey : final report to the Maryland Department of Natural Resources ... / 1975
Upper Mississippi River water quality assessment report / 2002
Upper Ocmulgee River Basin: An Environmental Impact Statement. 1977
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

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