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Search Results for the EPA National Library Catalog
Items Found: 4765
Showing: Items 551 - 600
Your Search: (SUBJECT=groundwater)
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Title
Year Published
551
Communication strategy : national pesticide survey phase II.
1991
552
Comparison and feasibility study of methods for selecting study areas for exposure investigations : final report for Task 1-22 /
1986
553
Comparison of chlorofluorocarbon-age dating with particle-tracking results of a regional ground-water flow model of the Portland Basin, Oregon and Washington /
1997
554
Comparison of diffusion- and pumped-sampling methods to monitor volatile organic compounds in ground water, Massachusetts Military Reservation, Cape Cod, Massachusetts, July 1999-December 2002
2005
555
Comparison of ground-water quality in samples from selected shallow and deep wells in the central Oklahoma aquifer, 2003-2005 /
2006
556
Comparison of hydraulic conductivities for a sand and gravel aquifer in southeastern Massachusetts, estimated by three methods
1996
557
Comparison of pesticide root zone model predictions with observed concentrations for the tobacco pesticide metalaxyl in unsaturated zone soils /
1986
558
Comparison of two groundwater flow models-UNSATID and HELP /
1984
559
Comparison of vapor concentrations of volatile organic compounds with ground-water concentrations of selected contaminants in sediments beneath the Sudbury River, Ashland, Massachusetts, 2000
2002
560
Comparison of water samples from PTFE, PVC, and SS monitoring wells
1988
561
Compendium of ERT groundwater sampling procedures : interim final.
1991
562
Compendiums of the Environmental Response Team's (ERT) standard operating procedures (SOPs) for sampling and analytical protocols /
1991
563
Compilation of chemical quality data for ground and surface waters in Utah
1958
564
Compilation of geohydrologic data collected as part of the areal appraisal of ground-water resources near Branson, Missouri /
1989
565
Compilation of ground-water models /
1993
566
Compilation of ground-water models : project summary /
1993
567
Compilation of regional ground-water divides for principal aquifers corresponding to the Great Lakes basin, United States /
2006
568
Compilation of saturated and unsaturated zone modeling software (update of EPA/600/R-93/118 and EPA/600/R-94/028) : project summary /
1996
569
Compilation of saturated and unsaturated zone modeling software /
1996
570
Compilation of selected hydrologic data from the MX missile-siting investigation, east-central Nevada and western Utah /
1984
571
Compilation of water-quality data for the north coast limestone aquifers, Puerto Rico, 1951 to 1987
1988
572
Completed North American innovative remediation technology demonstration projects.
1997
573
Completed North American innovative remediation technology demonstration projects.
1996
574
Completion Report Brookings County Wellhead Protection Area Mapping Project.
1988
575
Complex mixtures and groundwater quality /
1993
576
Complexation of radionuclides with naturally occurring organic compounds in groundwater project summary /
1993
577
Computation of rate and volume of stream depletion by wells
1970
578
Computation of the time-varying flow rate from an artesian well in central Dade County, Florida, by analytical and numerical simulation methods /
1997
579
Computational methods in subsurface flow
1983
580
Computer estimates of natural recharge from soil moisture data, high plains of Colorado : completion report, OWRT project no. A-016 COLO
1975
581
Computer model SHARP, a quasi-three-dimensional finite-difference model to simulate freshwater and saltwater flow in layered coastal aquifer systems
1990
582
Computer models for two dimensional subterranean flows and pollutant transport
1982
583
Computer program (MODFLOWP) for estimating parameters of a transient, three-dimensional, ground-water flow model using nonlinear regression
1992
584
Computer program for calculating subregional water budgets using results from the U.S. Geological Survey Modular Three-Dimensional Finite-Difference Ground-Water Flow Model
1990
585
Computer software for converting ground-water and water-quality data from the National Water Information System for use in a geographic information system /
1991
586
Computer-model analysis of the use of Delaware River water to supplement water flow from the Potomac-Raritan-Magothy aquifer system in southern New Jersey
1980
587
Concentration and distribution of selected trace elements in the Maumee River Basin, Ohio, Indiana, and Michigan
1974
588
Concepts and models in groundwater hydrology
1972
589
Conceptual evaluation of regional ground-water flow in the carbonate-rock province of the Great Basin, Nevada, Utah, and adjacent states
1991
590
Conceptual evaluation of regional ground-water flow in the carbonate-rock province of the Great Basin, Nevada, Utah, and adjacent states /
1995
591
Conceptual frameworks for ground-water quality monitoring /
1997
592
Conceptual hydrogeologic framework of the shallow aquifer system at Virginia Beach, Virginia
2002
593
Conceptual model and numerical simulation of the ground-water-flow system in the unconsolidated sediments of Thurston County, Washington
1999
594
Conceptual models of flow and transport in the fractured vadose zone
2001
595
Conceptualization and analysis of ground-water flow system in the coastal plain of Virginia and adjacent parts of Maryland and North Carolina
1990
596
Conditional approval of draft 208 plan /
1978
597
Conference on surface and borehole geophysical methods and ground water instrumentation, October 15-17, 1986, Denver Colorado.
1986
598
Conference proceedings of the national RCRA refinery workshop : forum on groundwater remediation.
1998
599
Configuration of the water table in Nebraska map /
1954
600
Confining layer study /
1984
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