Search Results for the EPA National Library Catalog

Items Found: 1567

Showing: Items 801 - 850

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Select Item Title Year Published
Possibility of Reducing Nitrogen in Drainage Water by on Farm Practices 1972
Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001 2002
Post Audit of a Lake Erie Eutropication Model. 1987
Potentiometric Techniques for Monitoring Ions Involved in Water Pollution. 1971
Powder Mill Pond, Hillsborough County, New Hampshire. 1974
Prairie Rose Lake, Shelby County, Iowa. 1976
Pre-Impoundment Biological Survey of Stockton Reservoir-Sac River, Missouri, August, 1968. 1969
Precipitation scavenging of inorganic pollutants from metropolitan sources / 1974
Preliminary environmental assessment of combustion modification techniques / 1977
Preliminary Results: Modeling Fine Particulate Mass for the Eastern United States Using the EPA Regional Particulate Model. 1995
Pretreatment of the combined industrial-domestic wastewaters of Hagerstown, Maryland / 1978
Pretreatment of the Combined Industrial-Domestic Wastewaters of Hagerstown, Maryland. Appendix. Volume II. 1978
Principles of environmental medicine lecture notes XVII : selected exposures - nitrate/nitrite / 2003
Proceedings of the National Conference on Management of Nitrogen in Irrigated Agriculture, Held in Sacramento, California, on May 15-18, 1978. 1978
Proceedings of the National Conference on Managing Irrigated Agriculture to Improve Water Quality Sponsored by U.S. Environmental Protection Agency and Colorado State University, May 16-18, 1972. 1972
Proceedings of the National Ground Water Quality Symposium, August 25-27, 1971, Denver, Colorado. 1971
Proceedings of the Second Stationary Source Combustion Symposium / 1977
Proceedings of the Second Stationary Source Combustion Symposium. 1977
Proceedings, National Conference on Management of Nitrogen in Irrigated Agriculture / 1978
Production of Organic Nitrates from Hydroxyl and Nitrate Radical Reaction with Propylene. 1985
Proposed Combined Sewer Control by Electrode Potential. 1970
Protocol for evaluating the nitrogen status of lake sediments / 1974
Pymatuning Reservoir, Crawford County, Pennsylvania and Ashtabula County, Ohio. 1975
Quality assurance in support of energy related monitoring activities : annual report no. 2 / 1979
Quality assurance in support of energy related monitoring activities in the Western United States : annual report no. 1 / 1978
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : analytical method 9 : nitrate and nitrite / 1992
Quality assurance project plan for the National Pesticide Survey of Drinking Water Wells : referee analyses for analytical method 2--organochlorine pesticides, analytical method 4--carbamates, method 5--methylcarbamates, method 7--fumigants, and method 9--nitrate/nitrite / 1992
Rabbit Lake, Crow Wing County, Minnesota. 1975
Raccoon Lake, Marion County, Illinois. 1975
Rangeley Lake, Franklin County, Maine. 1974
Rathbun Reservoir, Appanoose, Lucas, Monroe, and Wayne Counties, Iowa. 1976
Reactions of a Strongly Basic Ion Exchange Resin with Dilute Aqueous Solutions in a Columnar System. 1969
Reagents for Determinations of Trace Impurities in Water. 1972
Reclamation of Acid Rinse Water. 1974
Recommended Methods of Reduction, Neutralization, Recovery, or Disposal of Hazardous Waste. Volume XII. Industrial and Municipal Disposal Candidate Waste Stream Constituent Profile Reports. Inorganic Compounds. 1973
RED facts : inorganic nitrate/nitrite (sodium and potassium nitrates) / 1991
Reduction of Estuarine Nutrient Loading: Nitrogen and Phosphorus Removal in Coastal Swamp Streams. 1991
Reedy Lake, Polk County, Florida. 1977
Reference manual for FIELD, a program for the simulation of nitrogen flow in a tile-drained corn belt agricultural field / 1977
Region 3 GPRA Baseline RCRA Corrective Action Facility Action Manufacturing 2005
Regional air pollution study : effects of airborne sulfur pollutants on materials / 1980
Regional air pollution study : high volume filter measurements of suspended particulate matter / 1979
Regional analysis of wet deposition for effects research : project summary / 1989
Regional Water Quality Impacts of Intensive Row-Crop Agriculture: A Lake Erie Basin Case Study. 1985
Regional-Scale Pollutant Transport Studies in the Northeastern United States. 1983
Relation between soil characteristics, water movement and nitrate contamination of ground water 1972
Relation Between Soil Characteristics, Water Movement and Nitrate Contamination of Ground Water. 1972
Relation of ground-water flowpaths and travel time to the distribution of radium and nitrate in current and former agricultural areas of the Kirkwood-Cohansey Aquifer System, New Jersey Coastal Plain 1997
Relation of nitrate concentrations in ground water to well depth, well use, and land use in Franklin Township, Gloucester County, New Jersey, 1970-85 1995
Relationships between drainage area characteristics and nonpoint source nutrients in streams : a preliminary analysis of National Eutrophication Survey data from 143 drainage areas in northeastern and northcentral United States / 1974
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