Environmental Protection Agency
EPA Home Page
http://www.epa.gov
Links to EPA Projects & Programs. Laws & Regulations, Databases & Software, Offices, Labs & Regions, Money Matters-Environmental Financing, Latest press releases.
EPA: AP-42, Compilation of Air Pollutant Emission Factors
Fifth Edition, Volume I: Stationary Point and Area Sources
http://www.epa.gov/ttn/chief/ap42/
Links to EPA guidance for estimating emissions from specific sources and emission factors.
EPA: Biological Indicators of Watershed Health
http://www.epa.gov/bioindicators/
EPA: Environmental Quality
http://www.epa.gov/eq/
The site includes maps and county-by-county environmental profiles, depicting air, water, and hazardous waste data for specific geographic locations.
EPA: Emission Measurement Center (EMC)
http://www.epa.gov/ttn/emc
Regulations, compliance, test methods, guidance documents.
EPA: Office of Air & Radiation
http://www.epa.gov/ttn/oarpg
Link to EPA's programs on acid rain, indoor air, air toxics.
EPA: Office of Air Resources Policy & Guidance (What's New)
http://www.epa.gov/ttnloarp-q/new.html
From the OARP&G, direct links to the latest EPA air-related documents.
EPA: Unified Air Toxics Website: Rules & Implementation
http://www.epa.gov/ttn/uatw/
Air toxics rules & guidance, NESHAPS (MACT) Standards, NSPS, links to hospitals/medical waste incineration, municipal waste combustion.
EPA: Office of Solid Waste & Emergency Response
http://www.epa.gov/swerrims
Links to info on Brownfields, storage tanks, Superfund.
EPA: Office of Water
http://www.epa.gov/ow
Pubs, policy & guidance, laws & regulations. Use "Surf Your Watershed" link to find local water quality info.
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