Search Results for the EPA National Library Catalog

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Select Item	Title	Year Published
1	15N-tracer and other laboratory studies of nitrogen remineralization in sediments and waters from Narragansett Bay, Rhode Island /	1982
2	A decision support framework to facilitate nitrogen load reductions in Long Island Sound (LIS) watershed /	2006
3	A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /	1998
4	A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /	1998
5	A model of seasonal changes in total nitrogen concentration in the Lake Wingra water column; Lake Wingra site.	1973
6	A study of precision and accuracy of laboratories and methods of analysis of ammonia nitrogen in Lake Michigan waters /	1967
7	A study of temporal and spatial variation in nitrogen concentrations in a tallgrass prairie stream /	1985
8	Algal nutrient availability and limitation in Lake Ontario during IFYGL : Part II. Nitrogen available in Lake Ontario tributary water samples and urban runoff from Madison, Wisconsin /	1977
9	Chemical nutrients in Lake George : a final technical report for Union Carbide subcontract no.3639 for the Eastern Deciduous Forest Biome, IBP, Lake George site /	1972
10	Chesapeake Bay total maximum daily load for nitrogen, phosphorus and sediment.	2010
11	Coastal communications : Development of nitrogen loading-response models for Northeast U.S. estuaries.	2002
12	Development of a pilot plant to demonstrate removal of carbonaceous, nitrogenous, and phosphorus materials from anaerobic digester supernatant and related process streams /	1970
13	Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma	1994
14	Distribution of ammonia nitrogen in the lower York River, Virginia : Spring, 1961.	1961
15	Distribution of nitrate and related nitrogen species in the unsaturated zone, Redlands and vicinity, San Bernardino County, California	1979
16	Effect of nitrification on corrosion in the distribution system /	2010
17	Estimates of sediment denitrification and its influence on the fate of nitrogen in Chesapeake Bay /	1987
18	Estimates of total nitrogen, total phosphorus, and total suspended solids loadings to Tampa Bay, Florida	1994
19	Estimation of total nitrogen and phosphorus in New England streams using spatially referenced regression models /	2004
20	Fate of nitrogen in shallow streams : focus on nitrification	1983
21	Flow phase distribution of nitrogen and phosphorus in the Potomac River system	1986
22	Formation and significance of N-chloro compounds in water supplies /	1980
23	Freshwater and saline loads of dissolved inorganic nitrogen to Hood Canal and Lynch Cove, western Washington	2006
24	Ground water and soil nitrate one year after cultivation in Hailstone Basin near Rapelje, Montana	1977
25	Ground-water discharge and base-flow nitrate loads of nontidal streams, and their relation to a hydrogeomorphic classification of the Chesapeake Bay watershed, Middle Atlantic coast /	1998
26	Ground-water vulnerability to nitrate contamination at multiple thresholds in the Mid-Atlantic Region using spatial probability models /	2005
27	Ground-water vulnerability to nitrate contamination at multiple thresholds in the Mid-Atlantic Region using spatial probability models /	2005
28	Ground-water vulnerability to nitrate contamination in the Mid-Atlantic Region /	2005
29	Health hazards from nitrates in drinking-water report on a WHO meeting.	1985
30	Hydrogeologic foundations in support of ecosystem restoration : base-flow loadings of nitrate in mid-Atlantic agricultural watersheds /	1999
31	In situ nitrogen dynamics within an estuarine embayment /	1969
32	Lake Erie nutrient control : effectiveness regarding assessment in eastern basin /	1980
33	Major sources of nitrogen input and loss in the upper Snake River Basin, Idaho and western Wyoming, 1990	1996
34	Manual for measuring dissolved oxygen and nitrogen gas concentration in water with the Van-Slyke-Neill apparatus	1973
35	Method 1686 : nitrate/nitrite-N in water and biosolids by manual colorimetry.	2001
36	Method 1687 : total Kjeldahl nitrogen in water and biosolids by automated colorimetry with preliminary distillation/digestion.	2001
37	Method 1688 : total Kjeldahl nitrogen in water and biosolids by automated colorimetry with preliminary semi-automatic digestion.	2001
38	Method 245.7 : mercury in water by cold vapor atomic fluorescence spectrometry : draft.	2001
39	Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion /	2000
40	Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory determination of triazine and other nitrogen-containing compounds by gas chromatography with nitrogen phosphorus detectors /	1994
41	National lake survey program : highlights.	1974
42	National summary of state water quality standards : nitrates/nitrites/ammonia /	1980
43	New process for treating wastewater : nitrogen control /	0
44	Nitrate and drinking water.	1988
45	Nitrate and phosphorus runoff losses from small watersheds in Great Lakes Basin /	1978
46	Nitrate and phosphorus runoff losses from small watersheds in Great Lakes Basin /	1978
47	Nitrate contamination of subsurface waters in an urbanizing area final report /	1982
48	Nitrate flux from ground to surface waters adjacent to the Neuse River Waste Water Treatment Plant	2006
49	Nitrate in ground water and surface water in a residential subdivision, West Windsor Township, Mercer County, New Jersey, 1993	1996
50	Nitrate reduction in the Armstrong Creek Basin	1996

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