The South Coast Air Basin—SCAB (or SoCAB) is one of several regional air basin areas designated by the state of California, for the purpose of air quality management and air pollution control in Southern California. The SCAB district was created in 1969.[1] and includes all of Orange County and the non-desert regions of Los Angeles County, Riverside County, and San Bernardino County.[2] The region covers approximately 17100 km2 and includes much of the Greater Los Angeles Area, which is home to approximately 18 million people.
...filed 7-3-69; effective thirtieth day thereafter...
South Coast Air Basin means the non-desert portions of Los Angeles, Riverside, and San Bernardino counties and all of Orange County as defined in California Code of Regulations, Title 17, Section 60104. The area is bounded: on the west by the Pacific Ocean; on the northwest by the Santa Susana Mountains and Simi Hills, on the north by the San Gabriel Mountains, San Bernardino Mountains, and on the east by the San Jacinto Mountains and Santa Rosa Mountains; and on the south by the San Diego County line.