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Search Results for the EPA National Library Catalog
Items Found: 5697
Showing: Items 5551 - 5600
Your Search: (SUBJECT=Concentration)
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Title
Year Published
5551
User's guide to TSCREEN : a model for screening toxic air pollutant concentrations /
1990
5552
User's Guides to the Interactive Version of Three Point Source Dispersion Programs: PTMAX, PTDIS, and PTMTP.
1973
5553
User's instructions for the SHORTZ and LONGZ computer program (volume II) /
1982
5554
User's instructions for the SHORTZ and LONGZ computer programs (volume I) /
1982
5555
User's manual for chemical mass balance model /
1983
5556
User's manual for OZIPM-2 : ozone isopleth plotting with optional mechamisms /
1984
5557
User's Manual for Single-Source (CRSTER) Model (Addendum).
1987
5558
User's manual for single-source (CRSTER) model.
1977
5559
User's Manual for the APRAC-1A Urban Diffusion Model Computer Program.
1972
5560
Users' Manual for the APRAC-2 Emissions and Diffusion Model.
1977
5561
Uses, limitations and technical basis of procedures for quantifying relationships between photochemical oxidants and precursors.
1977
5562
Using a Flame Ionization Detector (FID) Continuously Measure Toxic Organic Vapors in a Paint Spray Booth.
1992
5563
Using Chlorine Dioxide for Trihalomethane Control.
1986
5564
UTAB: A Computer Database on Residues of Xenobiotic Organic Chemicals and Heavy Metals in Plants.
1992
5565
UTIL-1. EPA/ORD (Environmental Protection Agency/Office of Research and Development) Air Quality Simulation Model.
1989
5566
Utility of Buoyant Plume Models in Predicting the Initial Dilution of Drilling Fluids. Chapter 13.
1990
5567
Utility of reactivity criteria in organic control strategies : application to the Los Angeles atmosphere /
1976
5568
Utilization of natural ecosystems for wastewater renovation /
1979
5569
UV-Sensitive Complex Phosphorus: Association with Dissolved Humic Materials and Iron in a Bog Lake.
1982
5570
Validation and Sensitivity Analysis of the Gaussian Plume Multiple-Source Urban Diffusion Model.
1971
5571
Validation of a method for estimating pollution emission rates using open-path FTIR spectroscopy and modeling techniques /
1993
5572
Validation of air monitoring data.
1980
5573
Validation of the EKMA Model Using Historical Air Quality Data.
1982
5574
Validation of the Semi-Volatile Organic Sampling Train Method for Measuring Emissions from Hazardous Waste Incinerators.
1985
5575
Validation of VOC Emissions Inventories by Source Apportionment and (14)C Dating Methods. Part 1.
1994
5576
Validation Study of an Approach for Evaluating the Impact of a Shopping Center on Ambient Carbon Monoxide Concentrations.
1974
5577
Validation Testing of New Mechanisms with Outdoor Chamber Data. Volume 1: Comparison of CB4 and CAL Mechanisms.
1989
5578
Validation Testing of New Mechanisms with Outdoor Chamber Data. Volume 2: Analysis of VOC Data for the CB4 and CAL Photochemical Mechanisms.
1989
5579
Validation Testing of New Mechanisms with Outdoor Chamber Data. Volume 4: Appendixes to Photochemical Reaction Photolysis Rates in the UNC Outdoor Chamber.
1989
5580
Validity of laboratory tests for predicting copper toxicity in streams /
1976
5581
Valley Model Computer Program.
1977
5582
Valley Model user's guide /
1977
5583
Vapor sampling device for interface with microtox assay for screening toxic industrial chemicals /
2004
5584
Variability and correlation in raw and clean coal : measurement and analysis /
1983
5585
Variability of I/M Test Scores over Time.
1988
5586
Variation in Elemental Content of Lettuce Grown Under Base-Line Conditions in Five Controlled-Environment Facilities.
1982
5587
Variation of Urban Runoff with Duration and Intensity of Storms.
1970
5588
Variations of Coliform Bacteria and Other Pollution Indices in Surface Waters.
1965
5589
Vehicle exhaust emission instruments evaluation /
1977
5590
Verification of the isopleth method for relating photochemical oxidant to precursors /
1978
5591
Versatile gas filter correlation spectrometer /
1975
5592
Vertebral Dysplasia in Young Fish Exposed to the Herbicide Trifluralin.
1979
5593
Vertical fluxes and exchange coefficients in the air over St. Louis : field program 1975 /
1977
5594
Vertical Ozone Fluxes and Related Deposition Parameters Over Agricultural and Forested Landscapes.
1990
5595
Viability of Embryos of the Winter Flounder 'Pseudopleuronectes americanus' Exposed to Mixtures of Cadmium and Silver in Combination with Selected Fixed Salinities.
1982
5596
Virgin River Study - Utah: March, 1976.
1977
5597
Virginian Province demonstration report : EMAP-estuaries, 1990 /
1993
5598
Virion Aggregation and Disinfection of Water by Chlorine and Bromine.
1982
5599
Virion Aggregation and Disinfection of Water Viruses by Bromine.
1976
5600
VIRTUS, a model of virus transport in unsaturated soils /
1992
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