California Code, Health and Safety Code - HSC § 46050

(a) Determining the psychological and physical health effects of noise.

(b) Determining the physiological effects of noise upon plant and animal life.

(c) Monitoring noise.

(d) Collecting and disseminating authoritative information on adverse effects of noise and of means for its control.

(e) Developing, in cooperation with local governments, model ordinances for urban, suburban, and rural environments.

(f) Providing assistance to local governmental entities engaged in developing and implementing noise abatement procedures.

(g) Developing criteria and guidelines for use in setting standards for human exposure to noise.

(h) Developing standards for the use of noise-producing objects in California.

(i) Developing criteria for submission to the Legislature so that state agencies may require noise control in equipment purchased for state use.