California Code, Business and Professions Code - BPC § 12314

The department, by regulation, may establish criteria and procedures for certification of laboratories to perform measurement services that are determined by the secretary to be beyond the existing equipment capabilities of the department, or when warranted by financial or workload considerations.

The department shall recover actual costs for the certification of any laboratory from that laboratory.

The secretary may revoke or suspend any certification issued pursuant to this section for good cause. The secretary shall establish by regulation criteria to be used when revoking or suspending any certification on the basis of good cause. Any proceeding to revoke or suspend any certification shall be conducted pursuant to Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the secretary shall have all the powers granted therein.

Measurements performed and standards certified by laboratories certified under the provisions of this section shall qualify as prima facie evidence.