Search Results for the EPA National Library Catalog

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TSCA CBI protection manual. 2003
TSCA confidential business information security manual. 1981
Twenty-second annual ESRI International User Conference proceedings : geography : sustaining our world. 2002
U.S. and Canadian emissions inventory : 1985 / 1988
U.S. EPA emission defect information and voluntary emission recall report system : a step-by-step guide for acquisition, data entry, and submittal of reports under the new electronic system and process for emission defect information and voluntary emission recall reports / 2011
U.S. IFYGL shipboard data acquisition system. -- 1974
U.S. national report to International Union of Geodesy and Geophysics, 1983-1986 contributions in hydrology / 1987
UMTA transportation planning system reference manual / 1975
Uncertainty in North American wet deposition isopleth maps : effect of site selection and valid sample criteria / 1990
Uncertainty modelling and quality control for spatial data / 2016
Understanding computational Bayesian statistics / 2010
Understanding GIS : the ARC/INFO method. 1990
Understanding GIS : the ARC/INFO method. 1992
Understanding statistical concepts using S-plus / 2001
Understanding the Dynamics of Biological Systems Lessons Learned from Integrative Systems Biology / [electronic resource] : 2011
Unified Wet Deposition Data Summaries for North America: Data Summary Procedures and Results for 1980-1986. 1990
UNIPALS: Software for Principal Components Analysis and Partial Least Squares Regression. 1990
United States Environmental Protection Agency : FY91 tactical plans. 1990
Unsaturated fractured rock characterization methods and data sets at the Apache Leap Tuff Site 1990
UNSODA unsaturated soil hydraulic database : user's manual / 1996
Up from Clinical Epidemiology & EBM [electronic resource] / 2011
Update heavy-duty engine emission conversion factors for MOBILE6 : analysis of fuel economy, non-engine fuel economy improvements and fuel densities : M6.HDE.002 / 2002
Update of heavy-duty emission levels (model years 1988-2004) for use in MOBILE6 : M6. HDE.001 / 2002
Update of heavy-duty emission levels (model years 1988-2004+) for use in MOBILE6 : M6. HDE.001 / 1999
Update of Livestock Feed Consumption. 1993
Urban dynamics 1969
Urban soil lead abatement demonstration project : EPA data dictionary with associated data sets. 1996
Urban, regional & state applications : plus a special section on cadastral systems. 1979
Urbanization, Water Pollution, and Public Policy. 1972
Use of computers for laboratory automation 1993
Use of small otter trawls in coastal biological surveys / 1978
Use of streamflow records and basin characteristics to estimate ground-water recharge rates in Ohio / 2002
Use of the Black Creek Database to analyze techniques for estimating nonpoint source loadings from small watersheds / 1991
USEPA (Environmental Protection Agency) Method Study 36 SW-846 Methods 8270/3510, GC/MS (Gas Chromatography/Mass Spectrometry) Method for Semivolatile Organics: Capillary Column Technique Separatory Funnel Liquid-Liquid Extraction. 1989
USEPA (United States Environmental Protection Agency) Method Study 35.SW Method 3005. Acid Digestion of Waters for Total Recoverable or Dissolved Metals for Analyses by Flame Atomic Absorption Spectroscopy. 1989
USEPA method study 38 SW-846 method 3010 acid digestion of aqueous samples and extracts for total metals for analysis by flame atomic absorption spectroscopy / 1989
User handbook for the allocation of compliance monitoring resources / 1976
User manual and technical issues of GREET for MOVES integration / 2005
User manual for the ecological incident information system. 1994
User needs assessment for an operational geographic information system / 1977
User's guide : micronucleus assay data management and analysis system / 1990
User's guide : reactive plume model IV (RPM-IV). 1992
User's guide for AERSURFACE tool. 2020
User's guide for AgDRIFTtm 1.0 : a tiered approach for the assessment of spray drift of pesticides / 1997
User's guide for RVD 2.0 : a relief valve discharge screening model. 1989
User's guide for the automated inhalation exposure methodology (IEM) / 1983
User's guide for the automated inhalation exposure methodology (IEM) : addendum I / 1986
User's guide for the computer program REsponse FACtor / 1984
User's guide for the gas chromatography automation system / 1979
User's guide for the SYSCPG program : a PC version of the PRESTO-EPA-CPG operation system / 1989
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