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Search Results for the EPA National Library Catalog
Items Found: 1556
Showing: Items 251 - 300
Your Search: (SUBJECT=Nitrates)
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Year Published
251
Devils Lake, Benson and Ramsey Counties, North Dakota.
1976
252
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973.
1974
253
Dillon Reservoir, Muskingum County, Ohio.
1975
254
Dilute solution reactions of the nitrate ion as applied to water reclamation /
1968
255
Distribution of nitrate and related nitrogen species in the unsaturated zone, Redlands and vicinity, San Bernardino County, California
1979
256
Distribution of nitrates and other water pollutants under fields and corrals in the middle South Platte Valley of Colorado /
1967
257
Distribution of phytoplankton in Illinois lakes /
1978
258
Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991 /
1991
259
Douglas Lake; Sevier, Jefferson, and Cocke Counties, Tennessee.
1976
260
Drinking water criteria document for nitrate/nitrite : final draft /
1987
261
Drinking Water Criteria Document on Nitrate/Nitrite (Final Draft).
1985
262
Drinking Water from Agriculturally Contaminated Groundwater.
1991
263
Drinking water treatment technology for ground-water remediation /
1989
264
Dry deposition flux calculations for the National Dry Deposition Network {MICROFICHE} /
1993
265
Duhernal Lake, Middlesex County, New Jersey.
1976
266
Dworshak Reservoir, Clearwater County, Idaho.
1977
267
Dynamics of the Nitrogen Cycle in Lakes.
1970
268
E. V. Spence Reservoir, Coke County, Texas.
1977
269
East Oakwood Lake, Brookings County, South Dakota.
1977
270
East Vermillion Lake, McCook County, South Dakota.
1976
271
Economic benefits of controlling water pollution in an irrigated river basin : Methodology and application /
1983
272
Economic Evaluation of Alternative Farm Water Sources in the Claypan Area of Illinois.
1973
273
Ecosystem stress from chronic exposure to low levels of nitrate /
2005
274
Effect of Animal Wastes Applied to Soils on Surface and Ground Water Systems.
1972
275
Effect of Environmental Factors on Phytoplankton Growth: Light and the Interactions of Light with Nitrate Limitation (Journal Version).
1981
276
Effect of Methylmercuric Chloride, Cadmium Chloride, and Lead Nitrate on Six Biochemical Factors of the Brook Trout (Salvelinus fontinalis).
1977
277
Effect of Nitrate Addition on Biorestoration of Fuel-Contaminated Aquifer: Field Demonstration.
1991
278
Effect of pH on the Release of Phosphorus from Potomac River Sediments.
1986
279
Effect of Simulated Acid Precipitation on Nitrogen Mineralization and Nitrification in Forest Soils.
1984
280
Effect of Simulated Acid Rain on Nitrification and Nitrogen Mineralization in Forest Soils.
1981
281
Effect of Simulated Sulfuric Acid Rain on the Chemistry of a Sulfate-Adsorbing Forest Soil.
1985
282
Effect of soil temperature and pH on nitrification kinetics in soils receiving a low level of ammonium enrichment
1981
283
Effect of Unlined Treated Sewage Storage Ponds on Water Quality in the Ogallala Formation.
1971
284
Effects of Acid Rain on Water Supplies in the Northeast.
1984
285
Effects of Acidification on Stream Ecosystems.
1982
286
Effects of Atrazine on Aquatic Ecosystems: A Physical and Mathematical Modeling Assessment.
1985
287
Effects of conservation tillage on groundwater quality : nitrates and pesticides /
1987
288
Effects of Enrichment on Lake Superior Periphyton.
1973
289
Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon /
1979
290
Effects of irrigation methods on groundwater pollution by nitrates and other solutes /
1976
291
Effects of land use and travel time on the distribution of nitrate in the Kirkwood-Cohansey aquifer system in southern New Jersey
2001
292
Effects of Nitrate and Phosphate Limitation on Cyclostat Growth of Two Freshwater Diatoms (Journal Version).
1982
293
Effects of Nitrogen Oxides on Vegetation.
1985
294
Effects of Nitrogen Sources on P-Limited Growth of 'Anabaena Flos-Aquae'.
1983
295
Effects of particulate air pollution on asthmatic subjects /
1981
296
Effects of Pollution on Water Quality Perdido River and Bay, Alabama and Florida.
1970
297
Effects of Uranium Mining and Milling on Ground Water in the Grants Mineral Belt, New Mexico.
1977
298
Effects of Water Quality and Quantity on the Fauna of a Non-Glacial Alaskan River.
1971
299
Effluent monitoring procedures, nutrients : student reference manual /
1976
300
Effluent Monitoring Procedures: Nutrients. Staff Guide for Conducting the Course.
1977
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