Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Revised hazard ranking system : an improved tool for screening Superfund sites. 1990
Revised Hazard Ranking System: Background Information. 1990
Revised Hazard Ranking System: Qs and As. 1990
Risk analysis of TCDD contaminated soil / 1984
Risk assessment for organic micropollutants : U.S. point of view / 1991
Risk assessment guidance for Superfund : Volume I: human health evaluation manual supplemental guidance, standard default exposure factors, interim final. 1991
Risk of unsaturated/saturated transport and transformation of chemical concentrations (RUSTIC) / 1989
Risk of Unsaturated/Saturated Transport and Transformation of Chemical Concentrations (RUSTIC). Volume 2. User's Guide. 1989
Robust Bayes Models of Fish Response to Lake Acidification. 1989
Role of Physico-Chemical Properties of Aroclors 1016 and 1242 in Determining Their Fate and Transport in Aquatic Environments. 1978
Role of Property-Reactivity Relationships in Meeting the EPA's Needs for Environmental Fate Constants. 1992
Runoff as a source of phosphate in the waters of streams and lakes 1968
Runoff of Oils from Rural Roads Treated to Suppress Dust. 1972
Safe disposal methods for agricultural pesticide wastes / 1981
SAI airshed model operations manuals / 1985
Salt water intrusion in the United States / 1977
Sampling and modeling on non-point sources at a coal-fired utility / 1977
Sampling procedures for ground water quality investigations / 1984
SARAH : a surface water assessment model for back calculating reductions in abiotic hazardous wastes / 1987
SARAH2, a near field exposure assessment model for surface water / 1988
Satellite remote sensing study of the trans-boundary movement of pollutants / 1977
Scientific and technical assessment report on cadmium / 1975
Scientific Problems in Using Multispecies Toxicity Tests for Regulatory Purposes. 1984
Screening Procedure for Assessing the Transport and Degradation of Solid Waste Constituents in Subsurface and Surface Waters. 1982
Screening procedures for estimating the air impacts of incineration at Superfund sites / 1992
Seasonal distribution, trajectory studies, and sorption characteristics of suspended particulate matter in the northern Puget Sound region / 1978
Sediment Reworking and Transport in Eastern Lake Superior: In situ Rare Earth Element Tracer Studies. 1989
Sediment, nutrient and pesticide transport in selected lower Great Lakes tributaries / 1988
Select research group in air pollution meteorology : final report / 1980
Selected irrigation return flow quality abstracts 1968-1969 : first annual issue / 1972
Selection criteria for mathematical models used in exposure assessments : ground-water models. 1988
Sensitive parameter evaluation for a vadose zone fate and transport model 1989
Septic tank disposal systems as phosphorus sources for surface waters / 1977
SESOIL Execution Using the Data Management Supporting Systems, SESIN and SESOILFM. User's Guide. 1984
SESOIL Test Output Data. 1985
SESOIL: A Seasonal Soil Compartment Model. 1984
Short Cycling of Contaminants by Zooplankton and Their Impact on Great Lakes Ecosystems. 1982
Silvex: Position Document 1/2/3. Preliminary Determination Concerning a Rebuttable Presumption Against Registration of Pesticide Products Containing 2-(2,4,5-Trichlorophenoxy) Propionic Acid (SILVEX). 1979
Silvicultural chemicals and protection of water quality / 1977
Simulation of pesticide movement on small agricultural watersheds / 1976
Site characterization for subsurface remediation. 1991
Sludge organics bioavailability. / 1991
Soap salts : Reregistration Eligibility Document (RED). 1992
Sodium hydroxide : Reregistration Eligibility Document (RED). 1992
Sodium monofluoroacetate (compound 1080) : position document no. 2/3. 1983
Soil and Water Management for Salinity Control. 1972
Soil gas sensing for detection and mapping of volatile organics / 1987
Soil Interaction with Organically Polluted Water. 1966
Soil sampling quality assurance user's guide / 1989
Solid Waste Site Survey and Report. 1976
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