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Search Results for the EPA National Library Catalog
Items Found: 1557
Showing: Items 51 - 100
Your Search: (SUBJECT=Nitrates)
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Year Published
51
Allatoona Lake Destratification Equipment Test Appendix A: Operational and Water Quality Data 1968.
1969
52
Allatoona Lake Destratification Equipment Test Report.
1973
53
Allegheny Reservoir, McKean and Warren Counties, Pennsylvania and Cattaraugus County, New York.
1975
54
Alligator Lake, Columbia County, Florida.
1977
55
Altoona Lake, Eau Claire County, Wisconsin.
1974
56
Ambient air audits of analytical proficiency
0
57
Ammonia and Nitrate TMDLs for Stone Dam Creek Watershed. Faulkner County, Arkansas River Valley Ecoregion Planning Segment 3f USGS HUC 11110203.
2003
58
An acid aerosols issue paper : health effects and aerometrics.
1989
59
An approach for the preliminary assessment of TSP concentrations /
1978
60
An assessment of the CHESS sulfate and nitrate data during the period RETA performed the chemical analysis /
1977
61
An investigation of ion removal from water and wastewater /
1973
62
An investigation of the nitrate problem in Runnels County, Texas /
1973
63
Anaerobic Filter for the Denitrification of Agricultural Subsurface Drainage.
1969
64
Analyses of Cytogenetic Damage in Rodents Following Exposure to Simulated Groundwater Contaminated with Pesticides and a Fertilizer.
1993
65
Analysis of acid precipitation samples collected by state agencies : sampling period January-December 1990 (annual report) /
1992
66
Analysis of acid precipitation samples collected by state agencies--sampling period January 1991-December 1991 : annual report /
1996
67
Analysis of acid precipitation samples collected by state agencies--sampling period January 1992-December 1992 /
1995
68
Analysis of Acid Precipitation Samples Collected by State Agencies. Sampling Period: January-December 1993.
1996
69
Analysis of ground water by different laboratories : a comparison of chloride and nitrate data, Nassau and Suffolk Counties, New York /
1979
70
Analysis of nonpoint-source pollutants in the Missouri Basin Region /
1975
71
Analytical Reference Service Training Program. Sample Type IA, Water-Minerals.
1958
72
Analytical Reference Service Training Program. Sample Type IV, Air-Inorganic.
1958
73
Analytical Reference Service. Report on Sample Type I.
1956
74
Angostura Reservoir, Fall River County, South Dakota.
1977
75
Animal Waste Utilization for Pollution Abatement - Technology and Economics. Phase I.
1971
76
Anion mobility in soils : relevance to nutrient transport from terrestrial to aquatic ecosystems /
1977
77
Annual Nutrient Cycles in a Marine Microcosm.
1982
78
Annular Denuders for Use in Global Climate and Stratospheric Measurements of Acidic Gases and Particles (Abstract Only).
1991
79
Another look : National survey of pesticides in drinking water wells : phase II report.
1992
80
Application of geostatistics for mapping nitrate contaminated groundwater
1994
81
Application of spatially referenced regression modeling for the evaluation of total nitrogen loading in the Chesapeake Bay Watershed /
1999
82
Aquatic-Biotic Community Structure as an Indicator of Pollution.
1972
83
Arkabutla Reservoir, DeSoto and Tate Counties, Mississippi.
1975
84
Arrowhead Mountain Lake Chittenden and Franklin Counties Vermont.
1974
85
Arsenic and Nitrate Removal from Drinking Water by Ion Exchange, U.S. EPA Demonstration Project at Vale, Or, Final Report Evaluation Report.
2011
86
Assessing nitrogen leaching in unsaturated media from septic tank wastes for the North Animas Valley, La Plata County, Colorado a wellhead protection screening assessment and planning document /
1996
87
Assessment of Bulk Atmospheric Deposition to the Tampa Bay Watershed.
1996
88
Assessment of CWS Facilities Utilizing the Macon-Christian Strip Aquifer in Central Illinois.
1997
89
Assessment of deposition levels of sulfur and nitrogen required to protect aquatic resources in selected sensitve regions of North America /
1996
90
Assessment of sources of elevated nitrate in ground water in northwest Ada County, Idaho, using environmental isotopes /
1999
91
Assessment of the Contribution of Chemical Species to the Eye Irritation Potential of Photochemical Smog.
1978
92
Atmospheric Chemistry of cis- and trans-3-Hexene-2,5-dione.
1985
93
Atmospheric emissions from nitric acid manufacturing processes : cooperative study project, Manufacturing Chemists' Association, Inc., and Public Health Service.
1966
94
Atmospheric Emissions from Nitric Acid Manufacturing Processes.
1966
95
Atmospheric nitrogen deposition loadings to the Chesapeake Bay : an initial analysis of the cost effectiveness of control options /
1996
96
Atmospheric Nitrogen Deposition to Coastal Estuaries and their Watersheds.
2001
97
Atwood Reservoir, Carroll and Tuscarawas Counties, Ohio.
1975
98
Audubon Lake, McLean County, North Dakota.
1976
99
Autotrophic denitrification using sulphur electron donors /
1978
100
Badger Lake, Polk County, Minnesota.
1974
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