Search Results for the EPA National Library Catalog

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Como Lake, Walworth County, Wisconsin. 1975
Comparative Effects of Water-Column Nitrate Enrichment on Eelgrass, Shoal Grass, and Widgeon Grass. 1993
Comparative Kinetic Studies of Nitrate-Limited Growth and Nitrate Uptake in Phytoplankton in Continuous Culture. 1981
Comparative Limnology and Biota of Mine Spoils Ponds in Colorado (Journal Version). 1982
Compare Nitrate Removal Methods: For Some Communities, Ion Exchange May Be the Most Economical, Practical Way of Handling Nitrate-Contaminated Groundwater. 1980
Comparison of Measurement of Ambient Particulate Nitrate with Semi-Continuous Instruments. 2003
Comparison of Mutagenic Activities of Several Peroxyacyl Nitrates. 1990
Comparison of Several Techniques for Determining Dry Deposition Flux. 1983
Comparison of Three Methods for Measurement of Atmospheric Nitric Acid and Aerosol Nitrate and Ammonium. 1985
Compendium of lake and reservior data collected by the National Eutrophication Survey in the western United States 1978
Compilation of methodology for measuring pollution parameters of landfill leachate / 1975
Compilation of methodology for measuring pollution parameters of landfill leachate / 1975
Composition of Aerosols Over Los Angeles Freeways. 1979
Composition of Size-Fractionated Aerosol in Charleston, West Virginia. 1979
Connecticut River Basin Program. Part III, Phase I. Water Quality Reconnaissance for the Connecticut River Supplemental Study. 1975
Constantine Reservoir, St. Joseph County, Michigan. 1975
Consumptive Use of Water by Sugarcane in Hawaii. 1970
Contribution of Dissolved Organic Nitrogen Deposition to Mid-Atlantic Coastal Waters. Precipitation Concentration, Isotopic Composition and Wet Flux. 1998
Control of Nitrate Contamination of Ground Water Associated with Land Disposal of Municipal Sewage. 1972
Control of Nitrogen in Wastewater Treatment. 1971
Control Techniques for Nitrogen Oxide Emissions from Stationary Sources. 1970
Cost of Controlling Directly Emitted Acidic Emissions from Major Industrial Sources. 1988
Cost supplement to technologies and costs for the removal of nitrates and nitrites from potable water supplies. : First Draft, February 1987. 1987
Cottonwood Lake, Spink County, South Dakota. 1977
Crab Orchard Lake, Jackson and Williamson Counties, Illinois. 1975
Cranberry Lake, Crow Wing County, Minnesota. 1975
Crooked Lake, Steuben County, Indiana. 1976
Cropping Systems for Treatment and Utilization of Municipal Wastewater and Sludge. 1981
Cross Lake, Cayuga and Onondaga Counties, New York. 1974
Crystal Lake, Vilas County, Wisconsin. EPA Region V. 1975
Cumberland Lake, Clinton, Pulaski, Russell, and Wayne Counties, Kentucky. 1977
Current methods to measure atmospheric nitric acid and nitrate artifacts / 1979
Dale Hollow Reservoir, Clinton and Cumberland Counties, Kentucky and Clay, Overton, and Pickett Counties, Tennessee. 1977
Dallas Lake, LaGrange County, Indiana. 1976
Data File of UNC Outdoor Chamber Study. 1982
Deep Creek Lake, Garrett County, Maryland. 1975
Deer Creek Reservoir, Fayette and Pickaway Counties, Ohio. 1975
Deerfield Lake, Pennington County, South Dakota. 1977
Degradation of the Peritrophic Membrane of Fresh-Water Zooplankton Fecal Pellets. 1983
Delano nitrate investigation. 1968
Delavan Lake, Walworth County, Wisconsin. 1974
Delaware Estuary and Bay Water Quality Sampling and Mathematical Modeling Project. 1970
Delaware Reservoir, Delaware County, Ohio. 1975
Denitrification as a Pathway for Nitrate Removal in Aquatic Systems. 1973
Denitrification as affected by irrigation frequency of a field soil / 1980
Denitrification by Anaerobic Filters and Ponds. 1971
Denitrification by Anaerobic Filters and Ponds. Phase II. 1971
Denitrification in nonhomogeneous laboratory scale aquifers 4; Hydraulics, nitrogen chemistry, and microbiology in a single layer {microform} / 1991
Denitrification in nonhomogenous laboratory scale aquifer Hydraulics, nitrogen chemistry, and microbiology in a single layer / 1991
Designs for Assessment of Measurement Uncertainty: Experience in the Eastern Lake Survey. 1986
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