The Reference Web Site Section will contain links to sites within the U.S. Environmental Protection Agency's various web pages as well as other useful sites throughout the Internet.
U.S. EPA Regional/State Air sites | U.S. EPA Headquarters/Offices | Permit Review Background | Air Toxics Websites | Compliance Assistance | Emission Inventory | Ozone | Indoor Air | Radiation | Useful Government Sites | Useful Non-Government Sites
U.S. EPA Regional/State Air Sites
Region: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
EPA Region 1 - Responsible within the states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont
EPA Region 2 - Responsible within the states of New Jersey, New York, Puerto Rico, and the U.S. Virgin Islands
- New Jersey Department of Environmental Protection
- New York Air Resources Division
- Puerto Rico - Fideicomiso de Conservacion
- US Virgin Islands - Under Construction
EPA Region 3 - Responsible within the states of Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia
- Delaware Department of Natural Resources and Environmental Control
- Maryland Department of Environment
- Pennsylvania Department of Environmental Protection
- Virginia Department of Environmental Quality
- West Virginia Division of Environmental Protection
- District of Columbia Department of Health - Air Quality Division
EPA Region 4 - Responsible within the states of Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
- Alabama Department of Environmental Management
- Florida Department for Environmental Protection-Air Resource Management
- Georgia Environmental Protection
- Kentucky Department for Environmental Protection
- Mississippi Department of Environmental Quality
- North Carolina Department for Environment and Natural Resources
- South Carolina Department of Health and Environmental Control
- Tennessee Department of Environment and Conservation
EPA Region 5 - Responsible within the states of Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin
- Illinois Environmental Protection Agency
- Indiana Department of Environmental Management (IDEM)
- Michigan Department of Environmental Quality
- Minnesota Pollution Control Agency
- Ohio Environmental Protection Agency
- Wisconsin Department of Natural Resources
EPA Region 6 - Responsible within the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas
- Arkansas Department of Environmental Quality
- Louisiana Department of Environmental Quality
- New Mexico Environment Department
- Oklahoma Department of Environmental Quality
- Texas Natural Resource Conservation Commission
EPA Region 7 - Responsible within the states of Iowa, Kansas, Missouri, and Nebraska
- Iowa Air Quality Bureau-Department of Natural Resources
- Kansas Department of Health and Environment
- Missouri Department of Natural Resources
- Nebraska Department of Environmental Quality
Region 7 database of EPA-issued policy and guidance documents
EPA Region 8 - Responsible within the states of Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming
- Colorado Department of Public Health and Environment
- Montana Department of Environmental Quality
- North Dakota Division of Environmental Engineering
- South Dakota Department of Environment and Natural Resources
- Utah Department of Environmental Quality
- Wyoming Department of Environmental Quality
EPA Region 9 - Responsible within the states of Arizona, California, Hawaii, Nevada, and the territories of Guam and American Samoa
- Arizona Department of Environmental Quality
- California Air Resources Board
- California South Coast Air Quality Management District
- Hawaii Department of Health
- Nevada Division of Environmental Protection
- Guam - Department of Public Health
- American Samoa
EPA Region 10 - Responsible within the states of Alaska, Idaho, Oregon, and Washington
- Alaska Department of Environmental Conservation
- Idaho Division of Environmental Quality
- Oregon Department of Environmental Quality
- Washington Department of Ecology
US EPA Unified Air Toxics Website
US EPA Office of Air and Radiation (OAR)
US EPA Technology Transfer Network
US EPA OAR Policy and Guidance
US EPA Office of Air Quality Planning and Standards (OAQPS)
US EPA Office of Enforcement and Compliance Assurance (OECA)
US EPA Office of Mobile Sources (OMS) Vehicles/Engines/Fuels
US EPA Education and Outreach (EOG) - formerly APTI
US EPA Acid Rain Home Page
Applicability Determination Index System
AP-42 Emission Factors
RACT, BACT, LAER Clearinghouse (RBLC)
Air CHIEF
New Source Review
Indiana Permits Database
Region 5 Permits Online
OAQ Air Toxics Program
List of Hazardous Air Pollutants (HAPs)
OAQ Air Toxics Monitoring Program (Toxwatch)
OAQ 112r Risk Management Program Information (40 CFR Part 68)
OAR Air Toxics Web Page
US EPA Unified Air Toxics Website
Locating and Estimating Documents (Air Toxics)
Part 63 National Emission Standards for Hazardous Air Pollutants
HAPs Strategic Implentation Plan
Air Toxics Regulations Fact Sheets
Section 112r of the Clean Air Act (CAA)
Chemical Accident Prevention Provisions - 40 CFR Part 68
Chemical Emergency Preparedness and Prevention Office website
In partnership with industry, environmental groups, universities, and other government agencies, EPA sponsors ten Centers to help businesses, local governments, and federal facilities better understand and comply with environmental regulations.
- All Centers
- Agriculture
- Auto Service and Repair
- Chemical Industry
- Federal Facilities
- Paints and Coatings
- Printed Wiring Board
- Printing
- Local Government
- Metal Finishing
- Transportation - air, shipping and barging, rail, and trucking
Regulatory Agenda - is the most complete and generally easiest site to access information contained in the Regulatory Agenda. It contains a link to all agencies' semiannual agendas since 1995 including the preambles, Statements of Regulatory Priority, and appendices. It also has a number of other useful links including: - Includes links to: Executive Order 12866, Regulations Pending and Reviews Completed (OMB), Information Collections Under Review/Approvals Expired (OMB), Inventory of Approved Information Collections (OMB)
www.epa.gov/epahome/lawreg.htm has links to selected Regulatory Agenda sites through which you can access the entire EPA Agenda. It also has full text and/or fact sheets on 18 statutes that the EPA implements, legislation under consideration, and dockets.
is useful for quickly identifying a rule that affects a particular industry. This page is part of EPA's Small Business Regulatory Library Page, but can be used by anyone, not just small business. The search engine for locating rules affecting a particular industry is two levels down (Select "Search Regulatory Action Database", then "Access the Database") or can be accessed directly at www.epa.gov/regagenda
This site also includes links to sites of interest to small businesses and summaries of the six major statutes that EPA implements. yosemite1.epa.gov/opei/ra.nsf/EPAFrame?OpenFrameset
www.access.goi.gov/su_docs/aces/aaces002.html is the Government Printing Office multi-database search site. Among the 100 databases that can be searched from the site are the 1994-2000 Unified Regulatory Agendas. The site is the official source for the electronic Federal Register.
www.epa.gov/partners provides information on our more than 40 partnership programs that use voluntary goals and commitments to achieve measurable environmental results in a timely and cost-effective way.
Aerometric Information Retrieval Systems Information (AIRS)Emission Inventory Improvement Program
IDEM's Ozone Web
IDEM's Regional Ozone Initiatives
Smog Watch Site
Smog City - contains Interactive Air Pollution simulator Indoor Air Quality (ORIA) Radiation Protection Programs (ORIA) FACA - (O3/PM/RH) Ozone, PM, and Regional Haze Implementation
Source Industrial Classification (SIC) Codes
North American Industrial Classification System (NAICS) Codes
NAICS/SIC cross-referencing Information
STAPPA/ALAPCO
Clean Air Technology Center (CATC)
NuTech.org - A resource providing the latest and developing air pollution control technologies
Environmental Professional's Homepage - sponsored by Environmental Hazards Management Institute - links to several other sites
Pollution Engineering Magazine
Environmental Protection Magazine
Pollution Magazine
Air and Waste Management Association
Environmental_Industry.com - contains links to several other sites
EHS Gateway
Indiana Environmental Professionals Web Site
The ACTIVE National Directory of Source Emissions Testing
Indiana Climate Page
Permits, Compliance, Enforcement, and Investigations