Search Results for the EPA National Library Catalog

Items Found: 1147

Showing: Items 101 - 150

Your Search: (SUBJECT=Inorganic nitrates)


PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 23 NEXT
Select Item Title Year Published
Clear Lake, Marshall County, South Dakota. 1977
Clear Lake, Minnehaha County, South Dakota. 1977
Clearwater Lake, Wright and Stearns Counties, Minnesota. 1974
Clyde Pond Orleans County Vermont. 1974
Cocodrie Lake, Rapides Parish, Louisiana. 1977
Coffeen Lake, Montgomery County, Illinois. 1975
Cokato Lake, Wright County, Minnesota. 1974
Columbia River nutrient study, 1972 / 1975
Como Lake, Walworth County, Wisconsin. 1975
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 Several Techniques for Determining Dry Deposition Flux. 1983
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
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
Control of Nitrate Contamination of Ground Water Associated with Land Disposal of Municipal Sewage. 1972
Control of Nitrogen in Wastewater Treatment. 1971
Cost of Controlling Directly Emitted Acidic Emissions from Major Industrial Sources. 1988
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
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
Delavan Lake, Walworth County, Wisconsin. 1974
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, phase II / 1971
Denitrification by Anaerobic Filters and Ponds. Phase II. 1971
Designs for Assessment of Measurement Uncertainty: Experience in the Eastern Lake Survey. 1986
Determination of Nitrogen Dioxide in the Air. Establishment of the Nitrogen Dioxide-Nitrite Ion Conversion Factor (Opredelenie Soderzhaniya Dvuokisi Azota v Vozdukhe. Ustanovlenie Koeffitsienta Perekhoda Dvuokisi Azota v Nitrit-ion). 1973
Development of a prototype nitrate detector / 1974
Devils Lake, Benson and Ramsey Counties, North Dakota. 1976
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Dillon Reservoir, Muskingum County, Ohio. 1975
Distribution of phytoplankton in Illinois lakes / 1978
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 23 NEXT

Save, Print or Email Selected Records