Search Results for the EPA National Library Catalog

Items Found: 1596

Showing: Items 451 - 500

Your Search: (SUBJECT=Nitrates.)

 
 
 

PREV 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 32 NEXT
Select Item Title Year Published
Inorganic Analyses in Water Quality Control Programs; Training Manual. 1978
Inorganic Contaminant Removal from Drinking Water by Reverse Osmosis. 1981
Inorganic Liquids for Removing SO2 from Flue Gases. Phase II. 1971
Interaction of complex pollutant mixtures and particulates in causation of pulmonary disease / 1984
Interaction of Inorganic Mercury Salts with Model and Red Cell Membranes: Importance of Lipid Binding Sites. 1993
Interaction profile for : cyanide, fluoride, nitrate, and uranium / 2004
Interaction profile for uranium, fluoride, cyanide, and nitrate / 2002
Intercalibrations and intercomparisons of measurement methods for airborne pollutants. 1992
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 Primary Productivity Using the 14-C Method and an Analysis of Nutrients in Elephant Butte Reservoir. 1972
Investigation of the Nitrate Problem in Runnels County, Texas. 1973
Ion chromatography of anions / 1980
Ion Chromatography. 1979
Ion Exchange for the Removal of Nitrate from Well Water. 1986
Ion selective electrodes in water quality analysis / 1978
Ionic composition and nitrate in drainage water from fields fertilized with different nitrogen sources, Middle Swamp watershed, North Carolina, August 2000-August 2001 2004
Iron Gate Reservoir, Siskiyou County, California. 1978
Iron Limitation of Phytoplankton Photosynthesis in the Equatorial Pacific Ocean. 1994
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
Juniata River Subbasin Small Watershed Study: Morrison Cove. A Water Quality and Biological Assessment, April 2005 - February 2006. 2006
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
Laboratory and Field Evaluation of Instrumentation for the Semi-Continuous Determination of Particulate Nitrate (and Other Water-Soluble Particulate Components). 2004
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
Lake Casitas, Ventura County, California. 1978
Lake Champlain, New York, and Vermont. 1974
Lake Charleston, Coles County, Illinois. 1975
PREV 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 32 NEXT

Save, Print or Email Selected Records