California Code, Health and Safety Code - HSC § 11854.5

Each county may establish standards that meet or exceed state standards for the treatment and operation of all county-operated and county-contracted alcohol and other drug treatment facilities and services, hereafter referred to as a “quality assurance system.” A “quality assurance system” is a systematic approach for the evaluation of the quality of care, which approach is designed to promote and maintain efficient, effective, and appropriate alcohol and other drug treatment services.