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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 273
Showing: Items 201 - 250
Your Search: (AUTHOR=WILLIAMS. AND R.)
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Planning and conservation : the emergence of the frugal society
Polychlorinated Biphenyls (PCBs) in School Buildings: Sources, Environmental Levels, and Exposures.
Polymers as aids in organic chemistry
Potentiation of 2,6-Dinitrotoluene Genotoxicity in Fischer-344 Rats by Pretreatment with Aroclor 1254.
Preliminary data summary for the wood preserving segment of the timber products processing point source category /
Preliminary economic impact assessment of possible regulatory action to control atmospheric emissions of selected halocarbons /
Preliminary Particulate Matter Mass Concentrations Associated with Longitudinal Panel Studies: Assessing Human Exposures of High Risk Subpopulations to Particulate Matter.
Preliminary review of some aspects of subchronic toxicity tests
Priority Pollutant PAH Analysis of Incinerator Emission Particles Using HPLC and Optimized Fluorescence Detection.
Procedures for conducting Daphnia magna toxicity bioassays : user's guide /
Proposed Biological Testing Methods for the United States Incineration-at-Sea Research Program.
Proposed implementation plan for the advanced field monitoring methods program /
Proposed plan for superfund innovative technology evaluation (SITE) demonstration of measurement and monitoring technologies /
Proteome Research Concepts, Technology and Application / [electronic resource] :
Quality assurance and quality control in the development and application of ground-water models /
Quantifying uncertainty in analytical measurement.
Radon in ground water in Guilford County, North Carolina /
Recommendations from value engineering studies on wastewater treatment works /
Regulatory and Investigative Treatment Zone (RITZ) Model (for Microcomputers).
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes /
Remote sensing in hazardous waste site investigations and litigation /
Remote sensing survey of rangeland vicinity of John Day, Oregon, June 1977 /
Report on field screening techniques for assessment and evaluation /
Research and Development Highlights: Mobile Sensors and Applications for Air Pollutants.
Role of the Intestinal Microbiota in the Activation of the Promutagen 2,6-dinitrotoluene to Mutagenic Urine Metabolites and Comparison of GI Enzyme Activities in Germ-free and Conventionalized Male Fischer 344 Rats.
Salmonella Data Management Software (for Microcomputers).
Sampling and analysis of wastes generated by gray iron foundries /
Seasonal Occurrence of 'Campylobacter' spp. in Surface Waters and Their Correlation with Standard Indicator Bacteria.
Second International Symposium Field Screening Methods for Hazardous Wastes and Toxic Chemicals.
Selection of a suitable extraction method for woodsmoke-impacted air particles /
Sensor Evaluation Report.
Single-laboratory evaluation of mobility procedure for solid waste
Small Rodents and Other Mammals Associated with Mountain Meadows as Reservoirs of 'Geardia' spp. and 'Campylobacter' spp.
Soil survey of Perry County, Arkansas
Species and Strain Comparisons of Immunosuppression by 2-Methoxyethanol and 2-Methoxyacetic Acid.
Stability of the Mutagenicity in Stored Cigarette Smokers' Urine and Extract.
Strategies for water and waste reduction in dairy food plants /
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington Eastern Puget Sound from Seattle to the Canadian border /
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington Western and southern Puget Sound /
Streamflow statistics and drainage-basin characteristics for the southwestern and eastern regions, Washington
Suspended sediment in the Chesapeake and Delaware Canal /
Table on meta-stable transitions for use in mass spectrometry,
Taunton River Basin : records of selected wells, test wells, borings, municipal water systems, and chemical analyses of water in the Taunton River Basin, Southeastern Massachusetts /
Technical guidance on supplementary stream design conditions for steady state modeling /
The common phytoplankton genera from eastern and southeastern lakes /
The Establishment of a groundwater research data center for validation of subsurface flow and transport models /
The establishment of a groundwater research data center for validation of subsurface flow and transport models /
The state of the system (SOS) model : measuring growth limitations using ecological concepts /
Thermodynamics of copper-nickel alloys containing aluminum, silicon, titanium, and chromium relative to their use in ceramic brazing
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