Governing Law and Regulations
Air pollution control districts: 26 California Health & Safety Code (CH & SC) 40000
California Environmental Protection Agency (Cal/EPA) California Air Resources Board (CARB)
California Governor's Office of Economic Development
Local air pollution control districts
U.S. Environmental Protection Agency (EPA) Region 9
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. California's air rules are among the toughest in the nation and are continually changing. The air emissions standards in effect in California are usually more stringent than the federal requirements.
The state has authorized regional and county air pollution control districts to administer all facets of air permitting and to establish rules and standards in accordance with the California Clean Air Act. California has 35 air quality districts, each authorized to implement and enforce its own air permitting regulations. Such permitting regulations must ensure that emissions from stationary sources do not interfere with the attainment and/or maintenance of state and national ambient air quality standards. See the state section AIR (REGULATORY OVERVIEW) for a list of the air districts and the ambient air quality standards.
• Administration and enforcement. Unlike most states that administer air laws under one environmental agency and with one set of regulations, California's air rules are administered through county air pollution control districts or regional air quality management districts. As a result, there are 35 different air quality agencies in California whose air ...