Search Results for the EPA National Library Catalog

Items Found: 5697
Showing: Items 5401 - 5450
Your Search: (SUBJECT=Concentration)


 
 
 
Select Item Title Year Published
Travels of airborne pollen / 1975
Treatability of oil and grease discharged to publicly owned treatment works. 1975
Treatability of RCRA compounds in a BOD/nitrification wastewater treatment system with dual media filtration / 1990
Treatability Studies of Pesticide Manufacturing Wastewaters: Ethylenebisdithiocarbamate Fungicides. 1980
Treatment alternatives for controlling chlorinated organic contaminants in drinking water, 1987
Treatment and disposal of complex industrial wastes / 1976
Treatment Effectiveness: Oil Tanker Ballast Water Facility. 1981
Treatment of Dairy Plant Wastes. 1973
Treatment of Drinking Water by Bromide Addition and Powdered Activated Carbon Adsorption. 1986
Treatment of Ferrous Acid Mine Drainage with Activated Carbon. 1973
Treatment of Gaseous Emissions from Steelplants Containing Small Concentrations of Hydrocarbon Vapors. 1983
Treatment of hazardous waste : proceedings of the Sixth Annual Research Symposium at Chicago, Illinois, March 17-20, 1980 ... / 1980
Treatment of Lake Charles East, Indiana sediments with fly ash / 1979
Treatment of PCP Containing Wastewater Using Anaerobic Fluidized Bed GAC Bioreactors. 1993
Treatment of secondary effluent by infiltration-percolation / 1979
Treatment of textile wastewater by activated sludge and alum coagulation / 1975
Treatment Technology to Meet the Interim Primary Drinking Water Regulations for Inorganics. 1978
Trend of DDT and Parathion Residues on Apples Grown in Central Washington. 1959
Trends and Patterns in Lake Acidification in the State of Vermont: Evidence from the Long-Term Monitoring Project. 1993
Trends in Catskill Stream Water Quality: Evidence from Historical Data. 1991
Trends in concentrations of suspended particulates, 1964-1969; 1970
Trends in Sulfur Dioxide Emissions from the Electric Utility Industry and Ambient Sulfur Dioxide Concentrations in the Northeastern United States, 1975-1982. 1985
Tributyltin oxide / 1999
Trickling filter/solids contact performance with rock filters at high organic loadings / 1986
Trickling Filter/Solids Contact Performance with Rock Filters at High Organic Loadings. 1986
Trihalomethane precursor removal by coagulation techniques in a lime-softening plant : a three-phased study / 1985
TRIM : total risk integrated methodology : status report. 1999
TRIM total risk integrated methodology : TRIM. Expo technical support document, external review draft / 1999
TRIM, Total Risk Integrated Methodology : TRIM. Expo technical support document : external review draft. 1999
Trimmed Spearman-Karber Method for Estimating Median Lethal Concentrations in Toxicity Bioassays. 1977
Triphenyltin compounds 1999
Tritium in Surface Waters of the Western United States. 1993
Trophic equilibrium of Lake Washington / 1977
Trophic structure modifications by planktivorous fish in aquatic microcosms / 1977
Tropospheric nitrogen : the influence of anthropogenic sources on distributions and deposition / 1991
TRS-80 in-Stack Opacity Computer Programs: User and Programmer Manual. 1985
TSP Source Inventory Around Monitoring Sites in Selected Urban Areas, Kansas City. 1979
TSP Source Inventory Around Monitoring Sites in Selected Urban Areas, Philadelphia. 1979
TSP Source Inventory Around Monitoring Sites in Selected Urban Areas, Portland. 1979
TSP Source Inventory Around Monitoring Sites in Selected Urban Areas, St. Louis. 1979
Tunable Diode Laser Stack Monitor for Sulfuric Acid Vapor. 1979
Tungstic Acid for Preconcentration and Determination of Gaseous and Particulate Ammonia and Nitric Acid in Ambient Air. 1982
Tungstic Acid Technique for Monitoring Nitric Acid and Ammonia in Ambient Air. 1982
Tunnel Measurement of the PAH (Polycyclic Aromatic Hydrocarbon), Carbon Thermogram and Elemental Source Signature for Vehicular Exhaust. 1984
Tupos : a multiple source Gaussian dispersion algorithm using on-site turbulence data / 1986
TUPOS-P : a program for analyzing hourly and partial concentration files produced by TUPOS / 1986
TUPOS: EPA/ORD (Environmental Protection Agency/Office of Research and Development) Air Quality Simulation Model. 1989
Turbulent Diffusion Behind Vehicles: Evaluation of Roadway Models. 1986
Turbulent Diffusion from a Point Source in Stratified and Neutral Flows Around a Three-Dimensional Hill-Part I. Diffusion Equation Analysis. 1979
Turbulent Diffusion from a Point Source in Stratified and Neutral Flows around a Three-Dimensional Hill. 2. Laboratory Measurements of Surface Concentrations. 1984

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