Search Results for the EPA National Library Catalog

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Slug tests in unconfined aquifers 1993
SNSIM1/2. A Computer Program for the Steady-State Water Quality Simulation of a Stream Network. 1975
Socio-economic and institutional factors in irrigation return flow quality control / 1978
Socio-economic and institutional factors in irrigation return flow quality control : Middle Rio Grande Valley case study / 1978
Soil Filter: A Treatment Process for Removal of Odorous Gases. 1970
Soil gas sensing for detection and mapping of volatile organics / 1987
Soil genesis, hydrological properties, root characteristics and microbial activity of 1-to 50-year old stripmine spoils / 1979
Soil water dynamics 2003
Soil-water-solute process characterization : an integrated approach / 2005
Solid-liquid flow slurry pipeline transportation 1979
Solutions Approximating Solute Transport in a Leaky Aquifer Receiving Wastewater Injection. 1989
Sorption Nonequilibrium during Solute Transport (Journal Version). 1988
Source Sampling: Methods and Equipment. 1956
Sources and quantities of nutrients entering the Gulf of Mexico from surface waters of the United States. 1992
Sources and transports of coal in the Duluth-Superior harbor / 1980
South coastal basin investigation, overdraft on ground water basins 1947
South Platte River, Denver, Annual Report for 1997 - 1998 1998
Southwest Region Threatened, Endangered, and At-Risk Species Workshop: Managing Within Highly Variable Environments. Hydrology and Ecology of Intermittent Stream and Dry Wash Ecosystems. 2007
Space Shuttle Guidance, Navigation and Control Design Equations. Volume 4 - Deorbit and Atmospheric Operations. 1971
Spatial analysis of surface water flow characteristics in the Swatara Creek Basin, Pennsylvania 1996
Spatially Varied Open-Channel Flow Equations. 1972
Specific ion mass spectrometric detection for gas chromatographic pesticide analysis / 1974
Spectral modeling of atmospheric flows and turbulent diffusion / 1976
Spectral Scales in the Atmospheric Boundary Layer. 1982
Spillway Design Floods for Small Dams in Rural Missouri. 1970
SPRAYTRAN User's Guide: A GIS-Based Atmospheric Spray Droplet Dispersion Modeling System. 2005
St. Marys River, Michigan: An Ecological Profile. 1987
Stable Plume Dispersion over an Isolated Hill: Releases above the Dividing-Streamline Height. 1987
Stably stratified flows flow and dispersion over topography : based on the proceedings of the Fourth Conference on Stably Stratified Flows, organized by the Institute of Mathematics and Its Applications and held at the University of Surrey in September, 1992 / 1994
Stack sampling technical information : a collection of monographs and papers / 1978
Standard for incident management personnel professional qualifications. 2008
Standard Operating Procedure for Well Purging (SOP #4.1) 1994
Stanford Watershed Model: The Correlation of Parameter Values Selected by a Computerized Procedure With Measurable Physical Characteristics of the Watershed. 1970
State and local management actions to reduce Colorado river salinity / 1977
State of the art : 1971 instrumentation for measurement of particulate emissions from combustion sources. / 1971
State of the Chesapeake Bay : Second annual monitoring report / 1987
State-of-the art: sand and gravel industry / 1974
Static coal storage : chemical effects on the aquatic environment / 1980
Statistical and simulation analysis of hydraulic-conductivity data for Bear Creek and Melton valleys, Oak Ridge Reservation, Tennessee / 1989
Statistical estimation and visualization of ground-water contamination data 2000
Statistical estimation and visualization of ground-water contamination data {computer file} / 2000
Statistical evaluation of the effects of irrigation on chemical quality of ground water and base flow in three river valleys in north-central Kansas 1985
Statistical evaluation of the TEM (Transmission Electron Microscopy) clearance procedure : draft report for Task 2-26 / 1989
Statistical processor for analyzing simulations made using the Modular Finite-Difference Ground-water Flow Model 1990
Statistical Properties of Turbulence at the Kennedy Space Center for Aerospace Vehicle Design. 1971
Status of EPA radionuclide models. {Microfiche} 1992
Status of Pressure Sewer Technology. 1995
Steady-State Flow Patterns of Rainwater Seeping Through Bedded Soil With and Without Tile Drains. 1973
Steady-state simulation of ground-water flow in the Rush Springs aquifer, western Oklahoma 1998
Stochastic Analysis of Monthly Flow Data Application to Lower Ohio River Tributaries. 1972
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