Search Results for the EPA National Library Catalog

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Showing: Items 801 - 850
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Pesticide Fact Sheet: Dihydroazdirachtin. 1997
Pesticide Fact Sheet: Imazapyr. 1997
Pesticide Fact Sheet: Kaolin. 1998
Pesticide Fact Sheet: MAT 7484 Technical Insecticide; Aztec 2.1% Granular (the End-Use Product Consisting of Two Active Ingredients, This New Chemical and the Registered Chemical, Cyfluthrin). 1995
Pesticide Fact Sheet: Polyhedral Occlusion Bodies of the Nuclear Polyhedrosis Virus of 'Autographa californica'. 1994
Pesticide Fact Sheet: Potassium and Sodium Bicarbonates, New Fungicidal Active Ingredient. 1994
Pesticide Leaching Analytical Model and GIS-Based Application in Agricultural Watersheds. 2001
Pesticide registration (PR) notice 2000-6 : notice to manufacturers, formulators, producers and registrants and importers of pesticide products. 2000
Pesticide Removal by Membrane Processes. 1991
Pesticide reregistration rejection rate analysis residue chemistry : environmental fate follow up guidance for conducting rotational crop studies. 1993
Pesticide reregistration rejection rate analysis residue chemistry : follow-up guidance for updated livestock feeds tables, aspirated grain fractions (grain dust) a tolerance perspective, calculating livestock dietary exposure, number and location of domestic crop field trials. 1994
Pesticide reregistration rejection rate analysis residue chemistry. 1992
Pesticide Reregistration Rejection Rate Analysis Residue Chemistry. Follow-up. Guidance for: Conducting Plant and Livestock Metabolism Studies. 1992
Pesticide sources to the soil and principles of spray physics / 1990
Pesticides in ground water data base : 1988 interim report / 1988
Petroleum Refining Process Waste Listing Determination Proposed Rule Response to Comments Document, Part 2. 1998
Petroleum Refining Process Waste Listing Determination, Additional Groundwater Pathway Risk Analysis. Supplemental Background Document. Draft. 1998
Physical and Numerical Modeling of ASD Exhaust Dispersion Around Houses. 1994
Physiography and Forest Types of the Western United States (Chapter 1). 1990
Plan for a Research Program on Aerosol Radiative Forcing and Climate Change. 1996
Plant Uptake of Non-Ionic Organic Chemicals from Soils. 1988
Policy for managing leachate at PCB landfills. 1987
Pollutants of concern in Puget Sound 1991
Polychlorinated Biphenyls: Environmental Occurrence and Analysis. 1987
Portable Device for Measuring Sediment Resuspension. 1986
Potential Effects of Large Floods on the Transport of Atrazine into the Alluvial Aquifer Adjacent to the Lower Platte River, Nebraska. 1997
Potential groundwater contamination from intentional and nonintentional stormwater infiltration / 1994
Potential health and environmental hazards of uranium mine wastes : a report to the Congress of the United States in response to Public Law 95-604.[MICROFICHE]. 1983
Potential Health and Environmental Hazards of Uranium Mine Wastes. Volume 2. 1983
Potential Health and Environmental Hazards of Uranium Mine Wastes. Volume 3. Appendixes. 1983
Practical Problems Reducing Radon in Houses: Practical Problems Encountered During Efforts to Reduce Radon Concentration in Houses. 1988
Predicting contaminant migration in karst aquifers / 1996
Predicting subsurface contaminant transport and transformation : considerations for model selection and field validation / 1989
Prediction of Substrate Removal Rates of Attached Microorganisms and of Relative Contributions of Attached and Suspended Communities at Field Sites. 1988
Preface and Introduction to 'The Response of Western Forests to Air Pollution'. 1992
Preferential Radon Transport Through Highly Permeable Channels in Soils. 2001
Preliminary Announcement and Call for Abstracts: Workshop on the Fate, Transport, and Transformation of Mercury in Aquatic and Terrestrial Environments 2001
Preliminary diagnostic procedures for radon control / 1988
Preliminary Results of a Pesticide Leaching Study at Plains, Georgia. 1992
Preliminary risk assessment for parasites in municipal sewage sludge applied to land / 1991
Preliminary risk assessment for pathogens in landfilled municipal sewage sludge / 1993
Preliminary testing of turbulence and radionuclide transport modeling in the deep-ocean environment / 1989
Preliminary Testing, Evaluation and Sensitivity Analysis for the Terrestrial Ecosystem Exposure Assessment Model (TEEAM). 1991
Presentations, EPA-state soil standards conference : held at Hyatt Regency Hotel, Washington Rooms A and B, Crystal City, Virginia on January 29, 1991. 1992
PRESTO-EPA-POP : a low-level radioactive waste environmental transport and risk assessment code / 1987
Presumptive remedies : CERCLA landfill caps RI/FS data collection guide. 1995
Probability of Plume Interception Using Conditional Simulation of Hydraulic Head and Inverse Modeling. 1991
Problems Associated with Published Environmental Fate Data. 1990
Problems of aquatic toxicology, biotesting, and water quality management : proceedings of USA-USSR symposium, Borok, Jaroslavl Oblast, July 30-August 1, 1984 / 1986
Problems of aquatic toxicology, biotesting, and water quality management : proceedings of USA-USSR symposium, Borok, Jaroslavl Oblast, July 30-August 1, 1984 / 1986
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