Search Results for the EPA National Library Catalog

Items Found: 5697
Showing: Items 5351 - 5400
Your Search: (SUBJECT=Concentration)


 
 
 
Select Item Title Year Published
Trace analysis of arsenic by colorimetry, atomic absorption, and polarography / 1977
Trace and Minor Element Reactions in Fluidized-Bed Combustion Processes. 1982
Trace and Potentially Toxic Elements Associated with Uranium Deposits in South Texas. 1983
Trace Chemical in the 'Clean' Troposphere. 1981
Trace Element Characterization of Coal Wastes - Fifth Annual Progress Report. 1981
Trace element characterization of coal wastes : third annual progress report, October 1, 1977 to September 30, 1978 / 1979
Trace element characterizaton of coal wastes ; second annual progress report, October 1, 1976-September 30, 1977 / 1978
Trace Element Concentrations on Fine Particles in the Ohio River Valley. 1986
Trace element study at a primary copper smelter / 1978
Trace elements in coal : occurrence and distribution / 1977
Trace elements in soil around the Four Corners Power Plant / 1978
Trace Elements of Fly Ash: Emissions from Coal-Fired Steam Plants Equipped with Hot-Side and Cold-Side Electrostatic Precipitators for Particulate Control. 1978
Trace Metal Chemistry of the Waters of Lake Huron. 1982
Trace Metal Concentrations in the Offshore Waters of Lakes Erie and Michigan. 1984
Trace Metals in Atmospheric Deposition: A Review and Assessment. 1982
Trace Metals in Lake Huron Waters: 1980 Intensive Surveillance. 1983
Trace Metals in Liver from Bluefish, Tautog and Tilefish in Relation to Body Length. 1977
Trace Metals in Scallops from Within and Around Two Ocean Disposal Sites. 1977
Trace metals monitoring at two ocean disposal sites / 1979
Trace Organic Contaminants in Anthropogenically Acidified Surface Waters. 1992
Trace Organics in Water. 1977
Trace organics variation across the wastewater treatment system of a Class-B refinery and estimate of removal of refractory organics by add-on mixed-media filtration and granular activitated carbon at pilot scale / 1978
Tracer Studies of Transport and Transformation in Cumuli. 1995
Tracer-test planning using the efficient hydrologic tracer-test design (EHTD) program 2003
Tracking Chlorophyll-a and Light Attenuation in Tampa Bay: Application to 2001 Data. 2002
Tracking Chlorophyll-a and Light Attenuation in Tampa Bay: Application to 2002 Data. 2003
Tracking Chlorophyll-a and Light Attenuation in Tampa Bay: Application to 2003 Data. 2004
Tracking Chlorophyll-a and Light Attenuation in Tampa Bay: Application to 2004 Data. 2005
Tradeoffs Associated with Possible Auto Emission Standards. 1975
Tradescantia MCN (Micronuclei)-in-Tetrad Mutagen Test-on-Site Monitoring and Further Validation. 1981
Transactions: Effects of Air Pollution on Western Forests. 1989
Transfer of Pesticides through Water, Sediments and Aquatic Life. 1972
Transformation of Carbon Tetrachloride in the Presence of Sulfide, Biotite, and Vermiculite. 1992
Transition Metals of Impounded Waters. 1972
Transition-Flow Reactor Tube for Measuring Trace Gas Concentrations. 1986
Translation of reports on special problems of water technology : volume 9, Adsorption : conference held in Karlsruhe, Federal Republic of Germany, 1975 / 1976
Transmission Electron Microscope Observations of Airborne Asbestos Structures during the Removal of Vinyl Asbestos Tiles and Mastic Adhesive. 1992
Transport and Fate of Organophosphate Insecticides in a Laboratory Model Ecosystem. 1981
Transport and transformation of sulfur oxides through the Tennessee Valley region / 1980
Transport of Dissolved Substances with Second-Order Reaction. 1989
Transport of oily pollutants in the coastal waters of Lake Michigan : an application of rare earth tracers / 1978
Transport of Organic Contaminants in Groundwater: Distribution and Fate of Chemicals in Sand and Gravel Aquifers. 1985
Transport of Oxidant Beyond Urban Areas. 1976
Transport of Oxidant Beyond Urban Areas. Appendices A-D. 1976
Transport of Oxidant Beyond Urban Areas. Light Hydrocarbon and Oxidant Data, New England Study, 1975. 1978
Transport of Ozone by Turbulence and Clouds in an Urban Boundary Layer. 1984
Transport Processes of Particles in Dilute Suspensions in Turbulent Water Flow - Phase I. 1971
Transport, transformation and fate of endocrine disruptors : potential areas of exposure research / 1996
Transportable continuous emission monitoring system operational protocol : instrumental monitoring of SO2, NOx, CO2, and O2 effluent concentrations / 1983
Transuranium elements. Volume 2. : Technical basis for remedial actions / 1990

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