Cal. HSC § 41080

(a) The Sacramento district may adopt a schedule of fees, levied on permitted and other sources of air pollution, subject to regulation by the Sacramento district, to recover its costs of implementing this chapter. (b) The Sacramento district may contract with a county or counties, in which the Sacramento district is functioning, to provide facilities and administrative, legal, health coverage, risk management, clerical, and other support services, including, but not limited to, those facilities and services that the county or counties provided to the Sacramento district prior to July 1, 1994.