Search Results for the EPA National Library Catalog

Items Found: 1425
Showing: Items 251 - 300
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Select Item Title Year Published
Desalination of Brackish Groundwater 1977
Descriptions of anisotropy and heterogeneity and their effect on ground-water flow and areas of contribution to public supply wells in a karst carbonate aquifer system / 1996
Design and Performance of Single-Well Tracer Tests at the Mobile Site. 1985
Design guidelines for conventional pump-and-treat systems / 1997
Design, performance, and analysis of slug tests 1998
Designated sole source aquifers national fact sheet with designated aquifers and pending petitions listed. 1994
Designated sole source aquifers nationally : fact sheet with designated aquifers and pending petitions listed / 1994
Designation of sole source aquifers : fact sheet. 1987
Detection of a Microbial Consortium, Including Type 2 Methanotrophs, by Use of Phospholipid Fatty Acides in an Aerobic Halogenated Hydrocarbon-Degrading Soil Column Enriched with Natural Gas. 1987
Determination of hydraulic characteristics and yield of aquifers underlying Vekol Valley, Arizona, using several classical and current methods 1996
Determination of TDS content of deep aquifers by geophysical well log analysis 1984
Determination of the Total Storage Capacity of the Cretaceous Sandstone Aquifers in South Dakota. 1973
Determining porosity with neutron logs from Hawaiian basaltic aquifers / 1974
Deterministic and Stochastic Analyses of Dispersion in an Unbounded Stratified Porous Medium. 1986
Development and Application of Borehole Flowmeters for Environmental Assessment. 1993
Development of a System to Protect Groundwater Threatened by Hazardous Spills on Land. 1981
Development of Systems for Ground Water Recharge Into the Ogallala Formation. 1971
Diffusion and Dispersion in Porous Media - Salt Water Mounds in Coastal Aquifers. 1968
Digital computer model for predicting regional aquifer response, 1971
Digital Computer Modeling of Limestone Groundwater Systems. 1972
Digital computer simulation model of the Englishtown aquifer in the northern Coastal Plain of New Jersey / 1977
Digital ground-water model of the Ogallala Aquifer in parts of Washington and Yuma Counties, northern High Plains of Colorado 1976
Digital model of the Ogallala aquifer of the northern part of the northern high plains of Colorado by Richard R. Luckey and Warren E. Hofstra. 1974
Digital model of the Piney Point aquifer in Kent County, Delaware 1979
Digital model of the unconfined aquifer in central and southeastern Delaware 1977
Digital simulation and prediction of water levels in the Magothy aquifer in southern Maryland 1977
Digital simulation model of the Aquia aquifer in southern Maryland 1976
Digital simulation of ground-water flow in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming regional aquifer-system analysis / 1986
Digital-simulation and projection of water-level declines in basalt aquifers of the Odessa-Lind area, east-central Washington / 1975
Digital-simulation model of the Wenonah-Mount Laurel aquifer in the coastal plain of New Jersey / 1976
Dimensionless Parameter Study of Groundwater Recharge in Oklahoma. 1971
Dimensionless Parameter Study of Groundwater Recharge. 1972
Direct/Delayed Response Project : quality assurance report for physical and chemical analyses of soils from the northeastern United States / 1990
Dispersion of Pollutants in Saturated Porous Media. 1971
Dispersion of Substances from Well Recharge Operations in an Anisotropic Homogeneous Confined Aquifer. 1973
Dissolved Oxygen and Methane in Water By a GC Headspace Equilibration Technique. 1989
Dissolved oxygen and oxidation potentials in ground water 1986
Dissolved oxygen and oxidation-reduction potentials in ground water / 1986
Dissolved oxygen and oxidation-reduction potentials in ground water / 1986
Distribution and Activity of Microorganisms in Subsurface Sediments of a Pristine Study Site in Oklahoma (Journal Version). 1988
Distribution of Areal Recharge to a Discrete Fracture Network (FRACNET) Model Using the Analytic Element Method. 1994
Distribution of Plasmids in Groundwater Bacteria. 1987
Distribution of saltwater in the Coastal Plain aquifers of Virginia 1982
Distribution, Speciation, and Transformation of Chromium in Contaminated Soils and Aquifer Sediments. 1992
DNAPL Remediation Challenge: Is There a Case for Source Depletion. 2003
Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model / 1991
Draft Environmental Impact Statement: Underground Injection Control Program, Proposed Regulations (40 CFR Part 146). 1976
Draft standard field practice for in-situ instantaneous change in head slug tests. 1989
Draft standard guide for selection of aquifer test field practicies and methods in determination of hydraulic properties by well techniques. 1989
Draft standard test method for determining transmissivity and storativity of confined nonleaky aquifers by the Theis Nonequilibrium Method. 1989
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