Search Results for the EPA National Library Catalog

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Showing: Items 251 - 300

Your Search: (SUBJECT=Inorganic nitrates)


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Select Item Title Year Published
Identification of the Reaction Products Formed by the Oxidation of Aqueous Ammonia with Potassium Ferrate VI. 1972
Identifying sources of subsurface nitrate pollution with stable nitrogen isotopes / 1979
Illinois Annual Air Quality Report - 1981. 1981
Impact of Intensive Application of Pesticides and Fertilizers on Underground Water Recharge Areas Which May Contribute to Drinking Water Supplies. A Preliminary Review. 1975
Impact of primary sulfate and nitrate emissions from selected major sources. Phase I, Coal-fired power plant / 1985
Impacts of Cropland Runoff on Nutrient and Pesticide Concentrations in River Systems. 1988
Improved Chemical Methods for Sampling and Analysis of Gaseous Pollutants from the Combustion of Fossil Fuels. Volume II. Nitrogen Oxides. 1971
Improved Manual Method for NOx Emission Measurement. 1972
Indian Lake, Logan County, Ohio. 1975
Indoor Air Pollution in the Residential Environment. Volume I. Data Collection, Analysis and Interpretation. 1978
Infiltration Rates and Groundwater Quality Beneath Cattel Feedlots, Texas High Plains. 1971
Influence of Herbicides Used on Horticultural Crops on Stream Ecology. 1972
Inhalable particulate network report : data listing (mass concentrations only) / 1984
Inorganic Analyses in Water Quality Control Programs. Training Manual. 1977
Inorganic Analyses in Water Quality Control Programs: Instructor's Guide. 1981
Inorganic Analyses in Water Quality Control Programs; Training Manual. 1978
Inorganic Contaminant Removal from Drinking Water by Reverse Osmosis. 1981
Intercomparison of samplers used in the determination of aerosol composition / 1978
Investigation of filter media for use in the determination of mass concentrations of ambient particulate matter {microform} / 1984
Investigation of the Nitrate Problem in Runnels County, Texas. 1973
Ion chromatography of anions / 1980
Ion Chromatography. 1979
Ion selective electrodes in water quality analysis / 1978
Iron Gate Reservoir, Siskiyou County, California. 1978
Irrigation return flow water quality monitoring, modeling and variability in the middle Rio Grande Valley, New Mexico / 1983
James Lake, Kosciusko County, Indiana. 1976
James River Basin Water Quality Study. 1973
Jamestown Reservoir, Stutsman County, North Dakota. 1976
John H. Kerr Reservoir, Halifax, and Mecklenburg Counties, Virginia, and Granville, Vance, and Warren Counties, North Carolina. 1975
John Redmond Reservoir, Coffey and Lyon Counties, Kansas. 1977
Johnson Pond, Wicomico County, Maryland. 1975
Kelly's Falls Pond, Hillsborough County, New Hampshire. 1974
Kentucky Lake, Hardin, Decatur, Wayne, Perry, Benton, Humphreys, Houston, Henry, and Stewart Counties, Tennessee, Calloway, Trigg, Marshall, Lyon, and Livingston Counties, Kentucky. 1976
Lac La Belle, Waukesha County, Wisconsin. 1975
Lahontan Reservoir, Churchill and Lyon Counties, Nevada. 1977
Lake Ahquabi, Warren County, Iowa. 1976
Lake Albert, Kingsbury County, South Dakota. 1977
Lake Allegan, Allegan County, Michigan. 1975
Lake Alvin, Lincoln County, South Dakota. 1976
Lake Amador, Amador County, California. 1978
Lake Andrusia, Beltrami County, Minnesota. 1974
Lake Apopka, Lake and Orange Counties, Florida. 1977
Lake Ashtabula, Barnes and Griggs Counties, North Dakota. 1976
Lake Bemidji, Beltrami County, Minnesota. 1974
Lake Bloomington, McLean County, Illinois. 1975
Lake Britton, Shasta County, California. 1978
Lake Brownwood, Brown County, Texas. 1977
Lake Butte des Morts, Winnebago County, Wisconsin. 1975
Lake Calahoun, Hennepin County, Minnesota. 1975
Lake Carolos, Douglas County, Minnesota. 1974
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