Search Results for the EPA National Library Catalog

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Updated summary of the operational control procedures for the activated sludge process 1978
Upgrading Existing Wastewater Treatment Plants. Pre-Plant Considerations. 1972
Upgrading Textile Operations to Reduce Pollution. Volume 1. In-Plant Control of Pollution. 1974
Upgrading Textile Operations to Reduce Pollution. Volume 2. Wastewater Treatment Systems. 1974
Upstream Motions in Stratified Flow (Journal Version). 1988
Upward Flow from Shallow Water Tables. 1972
Urban Air Shed Photochemical Simulation Model Study. Volume II. Users's Guide and Description of Computer Programs. 1973
Urban Runoff Characteristics. Volume I. Analytical Studies. 1976
Urban Runoff Characteristics. Volume II. Field Investigations. 1976
Urban runoff control planning / 1978
Urban Runoff Pollution Control: State-of-the Art. 1975
Urban Runoff Quality in the Denver Region. 1983
Urban Size and Its Relation to Need for Automation and Control. 1972
Urban storm-induced discharge impacts : U.S. Environmental Protection Agency Research Program review / 1989
Urban stormwater and combined sewer overflow impact on receiving water bodies : proceedings of the national conference, Orlando, Florida November 26-28, 1979 / 1980
Urban stormwater BMP performance monitoring a guidance manual for meeting the national stormwater BMP database requirements / {electronic resource} : 2002
Urban stormwater runoff : determination of volumes and flowrates / 1976
Urban Stream Restoration Practices: An Initial Assessment. Final Report. 2000
US EPA TEAM study of inhalable particles (PM10) study design, response rate, and sampler performance / 1991
Use and Misuse of the Terms Watershed and Stream Order. 1981
Use and release of mercury in the United States [electronic resource] / 2002
Use of a Combined Air Injection/Extraction (CIE) Well to Minimize Vacuum Enhanced Water Recovery. 1995
Use of a ground-water flow model with particle tracking to evaluate ground-water vulnerability, Clark County, Washington 1996
Use of a ground-water flow model with particle tracking to evaluate ground-water vulnerability, Clark County, Washington / 1998
Use of data fusion to optimize contaminant transport predictions 1997
Use of dredgings for landfill / 1978
Use of Economic Reasoning in the Planning Function of Comprehensive Water Development and Pollution Control Programs Undertaken by the Public Health Service. 1961
Use of Fire Streams to Control Floating Oil. 1973
Use of Four-Dimensional Data Assimilation in a Limited-Area Mesoscale Model Part 2: Effects of Data Assimilation within the Planetary Boundary Layer. 1992
Use of isotopes to identify sources of ground water, estimate ground-water-flow rates, and assess aquifer vulnerability in the Calumet Region of northwestern Indiana and northeastern Illinois / 2002
Use of Linear Programming for Estimating Geohydrological Parameters of Groundwater Basins. 1970
Use of Mathematical Models in Water Quality Control Studies. 1969
Use of natural ventilation to control radon in single family dwellings / 1990
Use of NEXRAD Stage IV Data in the Multimedia Modeling of Pollutant Transport. 2000
Use of particle tracking to improve numerical model calibration and to analyze ground-water flow and contaminant migration, Massachusetts Military Reservation, western Cape Cod, Massachusetts 1996
Use of probabilistic information in the water quality based approach / 1984
Use of Soil Parameters for Describing Pesticide Movement Through Soils. 1974
Use of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico 1985
Use of Systems Analysis in the Development of Water Resources Management Plans for New York State. Volume II. Appendixes. 1970
Use of temperature profiles beneath streams to determine rates of vertical ground-water flow and vertical hydraulic conductivity 1989
Use of tracers to confirm ground water flow 1977
User manual for two-dimensional multi-class phytoplankton model with internal nutrient pool kinetics / 1986
User Manual NBSAVIS CONTAM88. A User Interface for Air Movement and Contaminant Dispersal Analysis in Multizone Buildings. 1991
User's guide for MANAGES personal computer software for the management and evaluation of groundwater monitoring data, version 1.0 / 1993
User's guide for RAM / 1978
User's guide for RAM / 1987
User's Guide for RAM: Volume II Data Preparation and Listings / 1978
User's guide for SWAMI : Strategic WAste Minimization Initiative, version 2.0 / 1992
User's guide for the AERMOD meteorological preprocessor (AERMET). 2004
User's guide to TSCREEN : a model for screening toxic air pollutant concentrations (revised). 1994
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