The National Association of Clean Air Agencies (NACAA), formerly STAPPA and ALAPCO, is comprised of both state and local air pollution control officials. The Goal of NACAA is to promote sound management of our air resources, exchange information, and enhance communication and cooperation among federal state and local agencies.
Source:National Association of Clean Air Agencies. Home Page. Accessed 9 September 2013. Available at http://www.4cleanair.org