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Search Results for the EPA National Library Catalog
Items Found: 1146
Showing: Items 451 - 500
Your Search: (SUBJECT=Inorganic nitrates)
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Title
Year Published
451
Nitrates in Groundwater Resulting from Manure Applications to Irrigated Croplands.
1982
452
Nitrates.
1971
453
Nitrite-Accelerated Photochemical Degradation of Cellulose as a Pretreatment for Microbiological Conversion to Protein.
1973
454
Nitrogen and irrigation management to reduce return-flow pollution in the Columbia Basin /
1976
455
Nitrogen and phosphorus in wastewater effluents, working paper no. 22, a prelim. analysis of Nat. Eutrophication Survey data collected during the 1972-73 sampling period.
1974
456
Nitrogen and phosphorus losses from agronomy plots in North Alabama /
1974
457
Nitrogen in Industry.
1971
458
Nitrogen Removal from Wastewaters.
1970
459
North Carolina barrier islands wastewater management : final environmental impact statement /
1984
460
North Waubay Lake, Day County, South Dakota.
1976
461
Northboro, Hudson, Maynard, and Billerica Impoundments, Worcester and Middlesex Counties, Massachusetts.
1975
462
Nutrient Limitation and Adaption of Microbial Populations to Chemical Transformations.
1986
463
Nutrient Management. Supplement to the Journal of Soil and Water Conservation Volume 49, Number 2.
1994
464
Nutrient Regeneration by Zooplankton in Southern Lake Huron.
1983
465
Nutrient Removal from Wastewater by Physical-Chemical Processes.
1971
466
Nutritional Requirements of the Submerged Angio-Sperm 'Ruppia maritima' in Algae-Free Culture.
1984
467
O'Shaughnessy Reservoir, Delaware County, Ohio.
1975
468
O. C. Fisher (San Angelo) Reservoir, Tom Green County, Texas.
1977
469
Oconomowoc Lake, Waukesha County, Wisconsin.
1975
470
Okauchee Lake, Waukesha County, Wisconsin.
1975
471
Old Ben Mine Reservoir, Franklin County, Illinois.
1975
472
Olin Lake, LaGrange County, Indiana.
1976
473
Oliver Lake, LaGrange County, Indiana.
1976
474
On-Line Colorimetric Analyzers for Monitoring Nitrate-Nitrite, Ammonia, Orthophosphorus and Total Hydrolyzable Phosphorus in Wastewater-Treatment Process Streams.
1974
475
One Mgd Ion Exchange Plant for Removal of Nitrate from Well Water.
1984
476
Oradell Reservoir, Bergen County, New Jersey.
1976
477
Otter Lake, Cayuga County, New York.
1974
478
Overland recycling system for animal waste treatment /
1979
479
Owasco Lake, Cayuga County, New York.
1974
480
Pactola Reservoir, Pennington County, South Dakota.
1976
481
Particle size distribution of nitrate aerosols in the Los Angeles air basin /
1977
482
Paulinskill Lake, Sussex County, New Jersey.
1976
483
Pelican Lake, Bottineau County, North Dakota.
1976
484
Pelican Lake, St. Louis County, Minnesota.
1974
485
Permuted Index to Current Eutrophication Literature.
1974
486
Petenwell Flowage, Juneau, Adams, and Wood Counties, Wisconsin.
1975
487
Pewaukee Lake, Waukesha County, Wisconsin. EPA Region V.
1975
488
Phosphate reduction and response of plankton populations in Kootenay Lake /
1976
489
Photochemical aerosol dynamics /
1979
490
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee.
1976
491
Pigeon Lake, Steuben County, Indiana.
1976
492
Pine Lake, Waukesha County, Wisconsin. EPA Region V.
1975
493
Pinecliff Lake, Passaic County, New Jersey.
1976
494
Piscataway Creek Watershed Model: A Stormwater and Nonpoint Source Management Tool.
1982
495
Pleasant Hill Reservoir, Ashland and Richland Counties.
1975
496
Pollution control manual for irrigated agriculture /
1978
497
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico.
1972
498
Pompton Lakes, Passaic County, New Jersey.
1976
499
Possibility of Reducing Nitrogen in Drainage Water by on Farm Practices
1972
500
Powder Mill Pond, Hillsborough County, New Hampshire.
1974
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