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Search Results for the EPA National Library Catalog
Items Found: 283
Showing: Items 201 - 250
Your Search: (AUTHOR=WILLIAMS AND R AND S)
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Title
Year Published
201
Performance of an Aquatic Multispecies System in Evaluating the Effects of a Model Microbial Pest Control Agent on Nontarget Organisms.
1992
202
Performance-Based Methods for the EPA's Regulatory Programs.
1992
203
Perkinelmer Elm Citizen Science Operating Procedure.
2015
204
Permafrost and ground water in Alaska /
1955
205
Phytoplankton water quality relationships in U.S. lakes /
1979
206
Phytoplankton water-quality relationships in U.S. lakes. Part VIII: Algae associated with or responsible for water-quality problems
1980
207
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems.
1980
208
Pilot demonstration of the air curtain system for fugitive particle control /
1987
209
Pilot demonstration of the air curtain system for fugitive particle control /
1986
210
Pilot Study of the Influence of Residential HAC Duty Cycle on Indoor Air Quality.
2003
211
Place-Based Conservation Perspectives from the Social Sciences / [electronic resource] :
2013
212
Planning and conservation : the emergence of the frugal society
1977
213
Polychlorinated Biphenyls (PCBs) in School Buildings: Sources, Environmental Levels, and Exposures.
2012
214
Polymers as aids in organic chemistry
1979
215
Potentiation of 2,6-Dinitrotoluene Genotoxicity in Fischer-344 Rats by Pretreatment with Aroclor 1254.
1993
216
Preliminary data summary for the wood preserving segment of the timber products processing point source category /
1991
217
Preliminary economic impact assessment of possible regulatory action to control atmospheric emissions of selected halocarbons /
1975
218
Preliminary Particulate Matter Mass Concentrations Associated with Longitudinal Panel Studies: Assessing Human Exposures of High Risk Subpopulations to Particulate Matter.
2001
219
Preliminary review of some aspects of subchronic toxicity tests
0
220
Priority Pollutant PAH Analysis of Incinerator Emission Particles Using HPLC and Optimized Fluorescence Detection.
1994
221
Procedures for conducting Daphnia magna toxicity bioassays : user's guide /
1987
222
Proposed Biological Testing Methods for the United States Incineration-at-Sea Research Program.
1988
223
Proposed implementation plan for the advanced field monitoring methods program /
1987
224
Proposed plan for superfund innovative technology evaluation (SITE) demonstration of measurement and monitoring technologies /
1989
225
Proteome Research Concepts, Technology and Application / [electronic resource] :
2007
226
Quality assurance and quality control in the development and application of ground-water models /
1992
227
Recommendations from value engineering studies on wastewater treatment works /
1980
228
Regulatory and Investigative Treatment Zone (RITZ) Model (for Microcomputers).
1988
229
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes /
1978
230
Remote sensing in hazardous waste site investigations and litigation /
1988
231
Remote sensing survey of rangeland vicinity of John Day, Oregon, June 1977 /
1978
232
Report on field screening techniques for assessment and evaluation /
1988
233
Research and Development Highlights: Mobile Sensors and Applications for Air Pollutants.
2013
234
Response of the Spokane River periphyton community to primary sewage effluent and continued investigation of Long Lake : project completion report /
1975
235
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.
1994
236
Salmonella Data Management Software (for Microcomputers).
1987
237
Sampling and analysis of wastes generated by gray iron foundries /
1981
238
Seasonal Occurrence of 'Campylobacter' spp. in Surface Waters and Their Correlation with Standard Indicator Bacteria.
1987
239
Second International Symposium Field Screening Methods for Hazardous Wastes and Toxic Chemicals.
1991
240
Selection of a suitable extraction method for woodsmoke-impacted air particles /
1988
241
Sensor Evaluation Report.
2014
242
Single-laboratory evaluation of mobility procedure for solid waste /
1986
243
Small Rodents and Other Mammals Associated with Mountain Meadows as Reservoirs of 'Geardia' spp. and 'Campylobacter' spp.
1987
244
Soil survey of Perry County, Arkansas
1982
245
Species and Strain Comparisons of Immunosuppression by 2-Methoxyethanol and 2-Methoxyacetic Acid.
1994
246
Stability of the Mutagenicity in Stored Cigarette Smokers' Urine and Extract.
1990
247
Strategies for water and waste reduction in dairy food plants /
1985
248
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington /
1985
249
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington Eastern Puget Sound from Seattle to the Canadian border /
1985
250
Streamflow statistics and drainage-basin characteristics for the Puget Sound Region, Washington Western and southern Puget Sound /
1985
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