Search Results for the EPA National Library Catalog

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The occurrence of life stages of some recreational marine fishes in estuaries of the Gulf of Mexico / 1980
The physiological clock. 1967
The Stable carbon isotope biogeochemistry of acetate and methane in freshwater environments / 1989
Theoretical Basis for Modeling Element Cycling. 1986
Theoretical ecosystem ecology : understanding element cycles / 1996
Theoretical ecosystem ecology : understanding element cycles / 1996
Thermal Requirements of the Early Life History Stages of Walleye, 'Stizostedion vitreum vitreum', and Sauger, 'Stizostedion canadense'. 1975
Thorium fuel-cycle alternatives / 1978
Tidal flats in estuarine water quality analysis / 1975
Topics on Expressing and Predicting Results of Life-Cycle Tests. 1987
Toxic Effects of Cadmium on Three Generations of Brook Trout (Salvelinus fontinalis). 1976
Toxic effects of zinc on fathead minnows Pimephales promelas in soft water / 1978
Toxic Effects on Individuals, Populations and Aquatic Ecosystems and Indicators of Exposure to Chemicals. 1985
Toxicity and Bioconcentration of EPN and Leptophos to Selected Estuarine Animals. 1979
Toxicity of 3,4-Dichloroaniline to Fathead Minnows, 'Pimephales promelas', in Acute and Early Life-Stage Exposures. 1987
Toxicity of Ammonia to Early Life Stages of the Smallmouth Bass at Four pH Values. 1985
Toxicity of DDT food and water exposure to fathead minnows / 1976
Toxicity of Trivalent Chromium to Early Life Stages of Steelhead Trout. 1984
Trace element research using coniferous forest soil/litter microcosms / 1977
Trace elements in the terrestrial environment / 1986
Trace gases and the biosphere 1992
Transient cycle arrangement for heavy-duty engine and chassis emission testing / 1978
Transient Phase between Growth and Nongrowth of Heterotrophic Bacteria, with Emphasis on the Marine Environment. 1987
Transport of energy-related organic compounds and mixtures in subsurface environments ten year conceptual research plan on the biogeochemistry and hydrology of organic chemicals and mixtures in subsoils and in groundwater using advanced technologies and experimental facilities. 1987
Transport, Fate and Geochemical Interactions of Mercury, Cadmium and Other Inorganic Pollutants in the Coastal Littoral-Salt Marsh Environment of the Southeastern United States. 1973
Transport, Fate and Geochemical Interactions of Mercury, Cadmium and other Inorganic Pollutants in the Coastal Littoral-Salt Marsh Environment of the Southeastern United States. 1974
Twelve Hour Cyclic Operating/Non-Operating Procedure for Distance Accumulation: Motorcycle. 1976
U.S. EPA's Research on Life-Cycle Analysis. 1992
U.S. Research to Conduct Life-Cycle Study to Evaluate Alternative Strategies for Integrated Waste Management. 1995
Uptake and Toxicity of Toxaphene in Several Estuarine Organisms. 1976
Uranium mining & milling : the need, the processes, the impacts, the choices ; administrator's guide / 1978
Use of Vegetable Cultures as the Photosynthetic Component of Isolated Ecological Cycles for Space Travel. 1960
User's guide for conducting life-cycle chronic toxicity tests with fathead minnows (Pimephales promelas) / 1982
Valuation of the Life Shortening Aspects of Risk. 1984
Waterborne 'Giardia' It's Enough to Make You Sick. 1985
What is the potential of forest management to slow the increase of atmospheric CO2? / 1992
Wildlife exposure factors handbook. 1993
Workshop report : Boom and bust in the American West / 2002
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