Jump to main content
US EPA
United States Environmental Protection Agency
Search
Search
Environmental Topics
Laws & Regulations
About EPA
Menu
Environmental Topics
Laws & Regulations
About EPA
Related Topics:
EPA National Library Network
Contact Us
Search Results for the EPA National Library Catalog
Items Found: 5037
Showing: Items 4851 - 4900
Your Search: (SUBJECT=Concentration Composition)
Sort Results:
Publication dates (newest-oldest)
Publication dates (oldest-newest)
Title
Choose a Library:
(CTRL-CLICK for multiple libraries)
Search all libraries
Capital Group(All DC-area libraries)
AWBERC Library/Cincinnati,OH
CCTE/GLTED Library/Duluth,MN
CEMM/ACESD Library/Narragansett,RI
CEMM/EPD Library/Athens,GA
CEMM/GEMMD Library/Gulf Breeze,FL
CPHEA/PESD Library/Corvallis,OR
Env Science Center Library/Ft Meade,MD
Headquarters Library/Washington,DC
Law Library/Washington,DC
NRMRL/GWERD Library/Ada,OK
NVFEL Library/Ann Arbor, MI
OCSPP Chemical Library/Washington,DC
Region 1 Library/Boston,MA
Region 2 Library/New York,NY
Region 3 Library/Philadelphia, PA
Region 4 Library/Atlanta,GA
Region 5 Library/Chicago,IL
Region 6 Library/Dallas,TX
Region 8 Technical Library/Denver,CO
Region 9 Library/San Francisco,CA
Region 10 Library/Seattle,WA
Research Triangle Park Library/RTP, NC
Choose a Collection:
(CTRL-CLICK for multiple collections)
Search all collections
books
documents
journals
reference
audiovisual
ebooks
PREV
1
...
90
91
92
93
94
95
96
97
98
99
100
101
NEXT
Select Item
Title
Year Published
4851
Use of emergency room patient populations in air pollution epidemiology /
1978
4852
Use of Experimental Airborne Infections for Monitoring Altered Host Defenses.
1982
4853
Use of exposure units for estimating aquatic toxicity of organophosphate pesticides /
1977
4854
Use of Fish Ventilation Frequency to Estimate Chronically Safe Toxicant Concentrations.
1982
4855
Use of Genetic Activity Profiles in Hazard Evaluation.
1988
4856
Use of Hazard Models in Evaluating the Effect of Exposure Duration on the Acute Toxicity of Three Pesticides.
1990
4857
Use of Kriging to Estimate Monthly Ozone Exposure Parameters for the Southeastern United States (Journal Version).
1988
4858
Use of meteorological data in air quality trend analysis /
1978
4859
Use of natural ventilation to control radon in single family dwellings /
1990
4860
Use of Plume Dispersion Modelling for Viable Aerosols from an Activated Sludge Sewage Treatment Plant.
1985
4861
Use of Portable Instrumentation for the Monitoring of Fugitive Organic Emissions from Hazardous Waste Incinerators.
1984
4862
Use of Quantitative Analysis of Urine to Assess Exposure to Asbestos Fibers in Drinking Water in the Puget Sound Region.
1983
4863
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
4864
Use of the Amphipod Crustacean 'Hyalella Azteca' in Freshwater and Estuarine Sediment Toxicity Tests.
1988
4865
Use of the Black Creek Database to Analyze Techniques for Estimating Nonpoint Source Loadings from Small Watersheds (May 1988).
1991
4866
Use of the flame photometric detector method for measurement of sulfur dioxide in ambient air : a technical assistance document /
1978
4867
Use of the Grass Shrimp 'Palaemonetes pugio' in a Life-Cycle Toxicity Test.
1979
4868
Use of Water Raman Emission to Correct Airborne Laser Fluorosensor Data for Effects of Water Optical Attenuation.
1981
4869
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
4870
USEPA (U.S. Environmental Protection Agency) PM(sub 10) Methodology Review.
1985
4871
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
4872
USEPA (United States Environmental Protection Agency) Method Study 7. Analyses for Trace Elements in Water by Atomic Absorption Spectroscopy (Direct Aspiration) and Colorimetry.
1986
4873
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
4874
USEPA method study, method 510.1, the determination of the maximum total trihalomethane potential /
1987
4875
User's guide for conducting life-cycle chronic toxicity tests with fathead minnows (Pimephales promelas) /
1982
4876
User's guide for MPTER : a multiple point gaussian dispersion algorithm with optional terrain adjustment /
1980
4877
User's guide for MPTER : a multiple point gaussian dispersion algorithm with optional terrain adjustment /
1980
4878
User's guide for PAL ; a gaussian-plume algorithm for point, area, and line sources /
1978
4879
User's guide for RAM /
1987
4880
User's guide for RAM /
1978
4881
User's Guide for RAM: Volume II Data Preparation and Listings /
1978
4882
User's Guide for the Automated Inhalation Exposure Methodology (IEM).
1983
4883
User's guide for the fugitive dust model (FDM)
1991
4884
User's guide for the fugitive dust model (FDM) : revised : user's instructions /
1991
4885
User's guide for the gas chromatography automation system /
1979
4886
User's guide for the photochemical box model (PBM) /
1984
4887
User's guide for the urban airshed model /
1990
4888
User's guide for the urban airshed model : volume VI : user's manual for the postprocessing system /
1991
4889
User's Guide for the Urban Airshed Model. Volume 2. User's Manual for the UAM (CB-IV) Modeling System.
1990
4890
User's Guide for the Urban Airshed Model. Volume 3. User's Manual for the Diagnostic Wind Model.
1990
4891
User's Guide for the Urban Airshed Model. Volume 4. User's Manual for the Emissions Preprocessor System.
1990
4892
User's Guide for the Urban Airshed Model. Volume 5. Description and Operation of the ROM - UAM Interface Program System.
1990
4893
User's Guide to the Rough Terrain Diffusion Model (RTDM) (Rev. 3.20).
1987
4894
User's Guide to the Texas Climatological Model.
1980
4895
User's guide to TSCREEN : a model for screening toxic air pollutant concentrations (revised).
1994
4896
User's guide to TSCREEN : a model for screening toxic air pollutant concentrations /
1990
4897
User's Guides to the Interactive Version of Three Point Source Dispersion Programs: PTMAX, PTDIS, and PTMTP.
1973
4898
User's instructions for the SHORTZ and LONGZ computer program (volume II) /
1982
4899
User's instructions for the SHORTZ and LONGZ computer programs (volume I) /
1982
4900
User's manual for chemical mass balance model /
1983
PREV
1
...
90
91
92
93
94
95
96
97
98
99
100
101
NEXT
Save, Print or Email Selected Records
Select Records
Selected (this page only)
Selected (across pages)
All (this page only)
All (all pages - 500 item maximum)
Select Format
Text (Brief Information)
Text (Full Information)
Endnote (Endnote Import)
ASCII delimited for EXCEL
Email Address:
(if applicable)