Search Results for the EPA National Library Catalog

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The Validity of effluent and ambient toxicity tests for predicting biological impact, Back River, Baltimore Harbor, Maryland / 1986
The validity of effluent and ambient toxicity tests for predicting biological impact, Naugatuck River, Waterbury, Connecticut / 1986
Thermal treatment of municipal sewage sludges {microform} / 1984
Thermally Desorbable Passive Sampling Device for Volatile Organic Chemicals in Ambient Air. 1985
Time spent in activities, locations, and microenvironments : a California-national comparison / 1991
Top-Feed Vacuum Filtration of Waste-Activated Sludge. 1982
Total Organic Carbon in Lake Superior Sediments: Comparisons with Hemipelagic and Pelagic Marine Environments. 1982
Toward a Better Understanding of the Complex Geochemical Processes Governing Subsurface Contaminant Transport. 1991
Toward a Quantitative Comparative Toxicology of Organic Compounds. 1989
Toxicity and metabolism studies with EPA priority pollutants and related chemicals in freshwater organisms {MICROFICHE} 1983
Toxicological Comparison of Natural and Cultured Populations of Aractia tonsa to Cadmium, Copper, and Mercury. 1978
Toyota-EPA Emission Laboratory Correlation Study. 1976
Trace Element Characterization of Coal Wastes - Fifth Annual Progress Report. 1981
Trace Elements - Methodology, and Legislation. 1983
Trace Metals in Liver from Bluefish, Tautog and Tilefish in Relation to Body Length. 1977
Trace organics removal using activated carbon and polymeric adsorbents / 1981
Trapping Gaseous Hydrocarbons for Mutagenic Testing. 1982
Treatment for the Control of Organic Chemical Contamination of Drinking Water: Cost and Performance. 1983
Treatment of Seasonal Pesticides in Surface Waters. 1988
Trends of Seasonal Haziness and Sulfur Emissions Over the Eastern U.S. 1989
Tri-tube freeze-core procedure for sampling stream gravels / 1980
Trophic Interactions in Experimental Marine Ecosystems Perturbed by Oil. 1980
Turbulence Parameters Impacting Dispersion in an Urban Convective Boundary Layer. 1984
Turbulent bed cooling tower / 1975
Turbulent Mixing in Aquatic Microcosms. 1980
Two new gas standards programs at the National Institute of Standards and Technology / 1993
U.S. EPA (Environmental Protection Agency) Regional Oxidant Model - Background and Overview. 1984
Ultrastructural Comparison of Ion Beam and Radiofrequency Plasma Etching Effects on Biological Tissue Sections. 1984
Ultraviolet Disinfection of a Secondary Effluent: Measurement of Dose and Effects of Filtration. 1984
Uncertainty Analysis of Runoff Estimates from a Runoff Contour Map. 1989
Uncertainty in North American wet deposition isopleth maps : effect of site selection and valid sample criteria / 1990
Unfinished business : a comparative assessment of environmental problems - appendix I : report of the cancer risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix II : non-cancer risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix III : ecological risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix IV : welfare risk work group / 1987
Unfinished business : a comparative assessment of environmental problems : volume I, overview report / 1987
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Ecological Risk Work Group Report. 1988
Unfinished Business: A Comparative Assessment of Environmental Problems. 1987
United States Experience with Alternative Sewers. 1987
Up-dip versus down-dip mining : an evaluation / 1975
Update on Building and Structure Decontamination. 1990
Updated draft list of eligible low emission and energy-efficient vehicles using the hybrid-to-gasoline vehicle comparison methodology as of June 2, 2010. 2010
Urban Air Pollution Worldwide: Results of the GEMS (Global Environment Monitoring System) Air Monitoring Project. 1985
Urban airshed model : study of five cities. 1990
Urban Transportation: Intermodal Consideration and Evaluation of Short Distance Transport Techniques. 1976
Use of aquatic lethality tests to estimate safe toxicant concentrations for initial ecolological risk assessments / 1989
Use of electron microscopy data in receptor models for PM-10 / 1989
Use of Plume Dispersion Modelling for Viable Aerosols from an Activated Sludge Sewage Treatment Plant. 1985
Use of Scavenging Ratios for the Inference of Surface-Level Concentrations and Subsequent Dry Deposition of Ca(2+), Mg(2+), Na(1+), and K(1+). 1990
Use of the Amphipod Crustacean 'Hyalella Azteca' in Freshwater and Estuarine Sediment Toxicity Tests. 1988
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