Search Results for the EPA National Library Catalog

Items Found: 251
Showing: Items 151 - 200
Your Search: (SUBJECT=Ecological Concentration)


 
 
 
PREV 1 2 3 4 5 6 NEXT
Select Item Title Year Published
Network design and site exposure criteria for selected noncriteria air pollutants / 1984
Network design and site exposure criteria for selected noncriteria air pollutants. 1984
Network Design and Site Exposure Criteria for Selected Noncriteria Air Pollutants. Appendices E and F. 1995
Nonmethane Organic Compounds and Speciated Non-Methane Organic Compounds Monitoring Program, 1995. 1996
Oxygenates in water : critical information and research needs. 1998
Particulate Data from the First Year of Monitoring in Phoenix. Part 1. Fine and Coarse Mass. 1997
Particulate Data from the First Year of Monitoring in Phoenix. Part 2. Organic Carbon and Elemental Composition. 1997
Particulate Matter Sources, Emissions, and Control Options-USA. 1997
PCRAMMET user's guide. 1996
Persistence of DDT Residues and Dieldrin Off a Pesticide Processing Plant in San Francisco Bay, California. 1999
Perspective on Human Exposure to PCDDs (Polychlorinated dibenzo-p-dioxins) and PCDFs (dibenzofurans) Emitted From Municipal Waste Combustors. 1989
Pesticide fact sheet : sulfluramid. 1989
Phase I Pilot Air Conveyance System Design, Cleaning, and Characterization. 1997
Photochemical Simulations of Point Source Emissions with the Models-3 CMAQ Plume-in-Grid Approach. 2000
Potential climatic impacts of increasing atmospheric CO2 with emphasis on water availability and hydrology in the United States : report / 1984
Potential Effects of Large Floods on the Transport of Atrazine into the Alluvial Aquifer Adjacent to the Lower Platte River, Nebraska. 1997
Potential species for phytoremediation of perchlorate / 1999
Preliminary Announcement and Call for Abstracts: Workshop on the Fate, Transport, and Transformation of Mercury in Aquatic and Terrestrial Environments 2001
Prioritization of Pesticide Active Ingredients (PAIs): Based on Commonly Known Environmental Characteristics. 1990
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report / 1998
Proceeding and summary report workshop on the fate, transport, and transformation of mercury in aquatic and terrestrial environments, May 8 -10, 2001 / {computer file} : 2002
Proceedings and summary report : workshop on the fate, transport and transformation of mercury in aquatic and terrestrial environments / 2002
Proceedings and summary report : Workshop on the Fate, Transport, and Transformation of Mercury in Aquatic and Terrestrial Environments : May 8-10, 2001, West Palm Beach, Florida. 2002
Proceedings of the EPA Workshop on the Environmental Scoring of Chemicals, Washington, D.C., August 13-15, 1979 / 1980
Produced Water Radionuclide Hazard/Risk Assessment-Phase I (Draft) with Cover Letter dated 01/18/91. 1990
Program Objectives and Status for the U.S.EPA Program on FTIR-Based Open-Path Monitoring. 1997
Proposed TSCA Section 403 Soil Lead Hazard and OSWER's Lead-in Soils Policy. 1998
Radioecology in Nordic limnic systems - present knowledge and future prospects. 1991
Rapid analysis of toxic organic vapors in ambient air / 1998
Reactive Plume Model (RPM-IV) (for Microcomputers). 1996
Real-Time Monitoring of Particles, PAH, and CO in an Occupied Townhouse. 1998
Recent experiments on buoyant plume in a laboratory convection tank / 1997
Recommendations for screening values for tributyltin in sediments at Superfund sites in Puget Sound, Washington 1996
Regulatory impact analysis of the final Clean Air Mercury Rule. 2005
Report on the Benchmark Dose Peer Consultation Workshop / 1996
Research plan for endocrine disruptors / 1998
Research Plan: Interactive Effects of O3 and CO2 on the Ponderosa Pine Plant/Litter/Soil System. 1997
Review of Concentration Standards and Guidelines for Fungi in Indoor Air. 1998
Review of single species toxicity tests : are the test reliable predictors of aquatic ecosystem community responses? / 1999
Review of the national ambient air quality standards for nitrogen dioxide : assessment of scientific and technical information, OAQPS staff paper / 1995
Review of the national ambient air quality standards for particulate matter : policy assessment of scientific and technical information. 2003
Review of the National Ambient Air Quality Standards for particulate matter : policy assessment of scientific and technical information. 2005
Review of the National Ambient Air Quality Standards for particulate matter : policy assessment of scientific and technical information. 1996
Reviews of the Environmental Effects of Pollutants. X. Toxaphene. 1980
Risk analysis to support standards for lead in paint, dust, and soil. : Volume 1. Chapters 1 to 7. Appendix A. / 1998
Risk analysis to support standards for lead in paint, dust, and soil. : Volume 2. Appendices B to G / 1998
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incineration Facility (East Liverpool, Ohio). Volume 4. Atmospheric Dispersion and Deposition Modeling of Emissions. 1997
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incineration Facility (East Liverpool, Ohio). Volume 5. Human Health Risk Assessment; Evaluation of Potential Risks from Multipathway Exposure to Emissions. 1997
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incinerator Facility (East Liverpool, Ohio), Volume V: Human Health Risk Assessment (HHRA): Evaluation of Potential Risks from Multipathway Exposure to Emissions (Draft) 1995
Risk Assessment for the Waste Technologies Industries (WTI) Hazardous Waste Incinerator Facility (East Liverpool, Ohio). Volume 4. Atmospheric Dispersion and Deposition Modeling of Emissions. 1995
PREV 1 2 3 4 5 6 NEXT

Save, Print or Email Selected Records