Search Results for the EPA National Library Catalog

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NATO/CCMS Second International Conference : demonstration of remedial action technologies for contaminated land and groundwater : Bilthoven, the Netherlands, 7-11 November 1988. 1988
NATO/CCMS Third International Conference : demonstration of remedial action technologies for contaminated land and groundwater : Montreal, Canada, 6-9 November 1989. 1989
Neutron well logging in Hawaii / 1974
Nevada ground-water quality 1987
Nitrate and nitrite variation in ground water / 1972
Nitrate contamination exposure, consequence, and control / 1991
Nitrate contamination of subsurface waters in an urbanizing area final report / 1982
Nitrate contamination of the water-table aquifer in Delaware, 1972
Nitrogen and irrigation management to reduce return-flow pollution in the Columbia Basin / 1976
Nitrogen in ground water and surface water from sewered and unsewered areas, Nassau County, Long Island, New York 1980
Nitrogen in the subsurface environment / 1975
Non-equilibrium thermodynamic treatment of transport processes in ground-water flow 1975
Nonaqueous phase liquids compatibility with materials used in well construction, sampling, and remediation / 1995
Nuclear techniques in groundwater pollution research : proceedings of an advisory group meeting / organized by the International Atomic Energy Agency. 1980
Numerical simulation of dispersion in groundwater aquifers 1970
Nutrient enrichment of ground water from septic tank disposal systems 1973
NWWA conference on surface and borehole geophysical methods in ground water investigations, February 12-14, 1985, Fort Worth, Texas. 1985
OASIS : parameter estimation system for aquifer restoration models : user's manual version 2.0 / 1990
Observed and simulated distribution of selected herbicides in silty loam, sandy loam, and clay soil profiles near Topeka, Kansas, 1986-88 1991
Occurrence and availability of ground water in Ohio county, West Virginia 1964
Occurrence and quality of ground water in Archer County, Texas 1967
Occurrence and quality of ground water in Baylor County, Texas 1978
Occurrence and quality of ground water in Brown County, Texas 1967
Occurrence and quality of ground water in Coleman County, Texas 1967
Occurrence and quality of ground water in Crockett County, Texas 1967
Occurrence and quality of ground water in Montague County, Texas / 1967
Occurrence and quality of ground water in Shackelford County, Texas 1969
Occurrence and quality of ground water in Stephens County, Texas 1964
Occurrence and quality of ground water in Throckmorton County, Texas 1970
Occurrence and removal of volatile organic chemicals from drinking water cooperative research report / 1983
Occurrence of fresh water in the Lee formation in parts of Elliott, Johnson, Lawrence, Magoffin, and Morgan Counties, eastern coal field region, Kentucky, 1970
Occurrence of ground water and potential for seawater intrusion, Island County, Washington 1986
Occurrence of ground water in the United States, with a discussion of principles, 1923
Occurrence of iron bacteria in ground-water supplies of Alabama 1975
Occurrence of minor elements in ground water in Louisiana, including a discussion of three selected sites having elevated concentrations of barium 1989
Occurrence, chemical quality and use of ground water in the Tabulbah area, Tunisia 1966
Occurrence, quality, and availability of ground water in Jones County, Texas / 1978
Occurrence, quality, and quantity of ground water in Wilbarger County, Texas / 1979
Occurrence, quantity, and quality of ground water in Taylor County, Texas 1978
Ohio nonpoint source management program. 1988
ORD ground water research plan : strategy for 1991 and beyond. 1990
Organic chemical analyses of ground water in Louisiana, water years 1984-1988 1990
Organic chemical contamination of O'ahu groundwater 1987
Organic compounds entering ground water from a landfill / 1974
Organic solvents and petroleum hydrocarbons in the subsurface : transport and cleanup 1986
Origin of mineralized water in Precambrian rocks of the Upper Paraíba Basin, Paraíba, Brazil / 1972
Our endangered planet. Groundwater / 1991
Outline of ground-water hydrology with definitions / 1923
Outline of methods for estimating ground-water supplies 1932
Overburden mineralogy as related to ground-water chemical changes in coal strip mining / 1978
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