Search Results for the EPA National Library Catalog

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Use of mathematical models as aids to decision making in water quality control 1968
Use of Monte Carlo simulation in risk assessments. 1994
Use of Scavenging Ratios for the Inference of Surface-Level Concentrations and Subsequent Dry Deposition of Ca(2+), Mg(2+), Na(1+), and K(1+). 1990
Use of sediment core profiling in assessing effectiveness of monitored natural recovery / 2008
Use of site characterization and analysis penetrometer system at the Walnut Creek Watershed, Ames, Iowa 1993
Use of Soil Parameters for Describing Pesticide Movement Through Soils. 1974
Use of statistics to develop and evaluate analytical methods 1985
Use of surrogate species in assessing contaminant risk to endangered and threatened fishes : final report -- September, 1995 / 1995
Use of surrogate species in assessing contaminant risk to endangered and threatened fishes : final report, September 1995 / 1995
Use of the Aquatic Oligochaete 'Lumbriculus variegatus' for Assessing the Toxicity and Bioaccumulation of Sediment-Associated Contaminants. 1993
Use of water supply performance evaluation data to calculate laboratory certification criteria and practical quantitation limits for inorganic contaminants {microfiche} 1990
Usefulness of Cholinesterase Measurements. 1988
USEPA (United States Environmental Protection Agency) Method Study 7. Analyses for Trace Elements in Water by Atomic Absorption Spectroscopy (Direct Aspiration) and Colorimetry. 1986
USEPA Contract Laboratory Program : statement of work for analysis of ambient air (AA), July 1991 : revision IAIR01.2. 1995
USEPA contract laboratory program : statement of work for analysis of ambient air (AA). 1991
USEPA contract laboratory program : statement of work for inorganics analysis, multi-media, multi-concentration, document number ILM04.0. 1995
USEPA contract laboratory program : statement of work for organic analysis: multi-media, multi-concentration, OLM03.0. 1994
USEPA contract laboratory program : statement of work for organics analysis : multimedia, multi-concentration / 1991
USEPA manual of methods for virology / 1984
USEPA Manual of Methods for Virology. Chapter 13, September 1993. (Revision). 1993
USEPA's Regional Vulnerability Assessment Program: A Research Strategy for 2001-2006. 2000
User guide for the enhanced hydrodynamical-numerical model / 1978
User manual for NCASI aerated stabilization basin model (SASBV2) and guidance for its use. 1985
User's guide : emission control technologies and emission factors for unpaved road fugitive emissions / 1990
User's guide for MPTER : a multiple point gaussian dispersion algorithm with optional terrain adjustment / 1980
User's guide for MPTER : a multiple point gaussian dispersion algorithm with optional terrain adjustment / 1980
User's Guide to Flexible Membrane Liner Advisory Expert System: Flex Version 3.0. 1992
User's manual for basic version of MCnest : Markov chain nest productivity model / 2013
User's manual for pollutant of concern matrix / 1986
User's manual modified rollback/EKMA strategy assessment model. 1981
Users guide for the conversion of navy paint spray booth particulate emission control systems from wet to dry operation {microfiche} 1990
Using and understanding medical statistics 1988
Using ArcGIS geostatistical analyst : GIS by ESRI / 2001
Using Meteorological Model Output as a Surrogate for On-Site Observations to Predict Deposition Velocity. 2000
Using SAS (Trade Name) Color Graphics for Video Image Analysis. 1988
Using statistical methods for water quality management : issues, problems, and solutions / 2005
Using toxicity tests in ecological risk assessment. 1994
Utility Flue Gas Desulfurization Technology and Costs. 1985
Validation of an Estrogen Receptor Binding Assay using Rat Uterine Cytosol as Source of Receptor as a Potential Screen in the Endocrine Disruptor Screening Program Tier 1 Battery. Integrated Summary Report. 2009
Validation of an In Vitro Bioaccessibility Test Method for Estimation of Bioavailability of Arsenic from Soil and Sediment. 2012
Validation of toxicogenomic technologies : a workshop summary / 2007
Validation of toxicogenomic technologies : a workshop summary / 2007
Valuing health for regulatory cost-effectiveness analysis. [electronic resource] 2006
Valuing special libraries and information services : [summary and technical] report of a project for the Special Libraries Association / 1999
Vapor-Phase Cracking and Wet Oxidation as Potential Pollutant Control Techniques for Coal Gasification. 1981
Vaporization Technique to Measure Mutagenic Activity of Volatile Organic Chemicals in the Ames/'Salomella' Assay. 1987
Vector control : methods for use by individuals and communities / 1997
Velocity-head coefficients in open channels / 1966
Verification and validation of procedures in the clinical microbiology laboratory / 2009
Vertical Ozone Fluxes and Related Deposition Parameters Over Agricultural and Forested Landscapes. 1990
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