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USEPA Air Quality Links
The Technology Transfer Network's (TTN) Air Toxics web site is a cooperative web site for federal, state, and local air toxics programs and a central repository for air toxics information.
The Office of Compliance, in partnership with industry, academic institutions, environmental groups, and other federal and state agencies, has established "virtual" (telecommunications-based) national Compliance Assistance Centers for specific industry sectors heavily populated with small businesses and entities that face substantial federal regulation.
This web site has been designed to provide information about indoor air quality in homes, schools, and large buildings.
This web site provides air quality information for mobile sources of air pollution such as motor vehicles, marine engines, farm equipment, and construction equipment.
This web site contains information about the science of ozone depletion, regulations in the USA designed to protect the ozone layer, information on methyl bromide, flyers about the UV index, information for the general public, and other topics. If you are looking for information not found here, try calling the Ozone Protection Hotline toll-free at 800-296-1996 or direct-dial at 202-564-9410.
This web site provides regulatory compliance and pollution prevention information to individual organic coating facilities; industry vendors and suppliers; federal, state, and local agencies; academia; and other interested parties.
The PM Advance program is a voluntary program designed to help communities who meet current standards continue to meet the standards. Early work to reduce fine particles, such as PM Advance participation, can be incorporated into required planning. Through the program, participants will commit to taking specific steps to reduce fine particle pollution, such as putting in place a school bus retrofit program or an air quality action day program, while EPA will supply technical advice, outreach information, and other support.
This site was developed to allow State and EPA Small Business Assistance Programs to share information about their small business assistance materials and activities.
This web site is designed to provide small businesses with links to general environmental information, environmental assistance and technical help, environmental laws and regulations, as well as contact and environmental experts.
This web site provides students in middle school and high school with information about a wide range of environmental topics.
The TTN is a collection of technical web sites containing information about many areas of air pollution science, technology, regulation, measurement, and prevention. In addition, the TTN serves as a public forum for the exchange of technical information and ideas among participants and EPA staff.