Search Results for the EPA National Library Catalog

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Showing: Items 1751 - 1800
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National radon measurement proficiency (RMP) program : cumulative proficiency report {microfiche} / 1990
National specialty workshop on technical tools for air toxics assessment. 1997
National Surface Water Survey: Eastern Lake Survey (Phase 1 - Synoptic Chemistry). Quality Assurance Plan. 1986
National survey of pesticides in drinking water wells : phase I report / 1990
National water quality network operating manual : a guide for laboratories participating in sampling and analytical activities of the national water quality network. 1963
Nationwide Urban Runoff Program, Milwaukee, Wisconsin. Evaluation of Urban Nonpoint Source Pollution Management in Milwaukee County, Wisconsin. Volume 3. Study Site Characteristics, Experimental Methods and Quality Assurance Program. 1983
Near-Real-Time Measurement of Trace Volatile Organic Compounds from Combustion Processes Using an On-Line Gas Chromatograph. 1998
Nearfield monitoring of sludge plumes at the 106-mile deepwater municipal sludge site : results of a survey conducted August 31 through September 5, 1987 : final report / 1988
Network design and optimum site exposure criteria for particulate matter 1987
Network design and site exposure criteria for selected noncriteria air pollutants / 1984
Network design and site exposure criteria for selected noncriteria air pollutants. 1984
Network Design and Site Exposure Criteria for Selected Noncriteria Air Pollutants. Appendices E and F. 1995
Network Design Factors for Assessing Temporal Variability in Ground-Water Quality. 1989
New Approach to Purging Monitoring Wells: Lower Flow Rates Reduce Required Purging Volumes and Sample Turbidity. 1994
New approaches to the preservation of contaminants in water samples / 1979
New Audit Method for EPA (Environmental Protection Agency) Reference Method 6. 1984
New York City Air Pollution Project of 1964-1969. 1969
New York City Air Pollution Project of 1964-1969. Volume I, Description of data / 1977
Nitric Acid Shootout: Field Comparison of Measurement Methods (Journal Version). 1988
Nitrogen dioxide photolytic, radiometric and meteorological field data / 1978
Nitrogen dioxide trends in selected Chattanooga communities / 1976
Nitrogen Oxides Reactions Within Urban Plumes Transported Over the Ocean Project Summary 1983
Nitrogen Oxides Reactions within Urban Plumes Transported over the Ocean. 1983
Nitrogen, Phosphorus, and Suspended Solids Concentrations in Tributaries to the Great Bay Estuary Watershed in 2009. A Final Report to The Piscataqua Region Estuaries Partnership. 2010
Nitrogen, Phosphorus, and Suspended Solids Concentrations in Tributaries to the Great Bay Estuary Watershed in 2010. Final Report. 2011
Nomethane organic compound monitoring program : final report 1988. Volume 2. Urban air toxics monitoring program / 1989
Non-Ferrous Metals Industry. Accomplishment Plan. Broad Objectives. 1972
Non-polar volatile organic compounds in whole air samples from the autotex studies. {microfiche} 1991
Non-urban hydrocarbon concentrations in ambient air north of Houston, Texas / 1979
Nonmethane Organic Compound and Air Toxics Monitoring Program. Final Report 1987. Volume 1. Hydrocarbons. 1988
Nonmethane Organic Compound and Toxics Monitoring Program. Final Report 1987. Volume 2. Toxic Species. 1988
Nonmethane Organic Compounds and Speciated Non-Methane Organic Compounds Monitoring Program, 1995. 1996
Nonpoint Source Sampling Design Report. Areawide Waste Treatment Management Plan for the Greater Houston Area. 1977
Northeast corridor regional modeling project continuous non-methane organic compound data collection / 1980
Notice of Data Availability (NODA) Response to Comment Document, Part 1. 1998
NPDES compliance monitoring inspector training module : biomonitoring. 1990
NPDES compliance monitoring inspector training module : laboratory analysis / 1990
NPDES compliance monitoring inspector training module : sampling. 1990
NPDES Compliance Sampling Inspection Manual. 1979
Numerical Calculation of Inertial Aspiration Efficiency of Aerosols into Thin-Walled Sampling Inlets. 1993
Nutrient Content of Rural Runoff in the Upper Wabash River Basin. 1968
Nutrient criteria technical guidance manual estuarine and coastal marine waters. {microform} : 2001
Objective procedures for optimum location of air pollution observation stations / 1975
Observational study of final cleaning and AHERA clearance sampling at asbestos-abatement sites in New Jersey 1989
Occupational and environmental pesticide exposure study in South Florida / 1977
Occurrence and Distribution of Organic Chemicals in Two Landfill Leachate Plumes. 1984
Occurrence Assessment for the Final Stage 2 Disinfectants and Disinfection Byproducts Rule. 2005
Occurrence of 'Giardia' in Connecticut Water Supplies and Watershed Animals. 1985
Office of Water Methods and Guidance, Version 2.0 - Suite. 2002
Ohio River Valley Study. Sites, Methods, Data Summary for 1980. Volume 1. Main Report. 1983
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