The Attorney General is directed to promote and sponsor the use by agencies of local government of the provisions of this article. The Attorney General may assist such agencies to establish facilities for, and to train personnel to conduct testing procedures pursuant to Section 11551, and may conduct demonstrations thereof for limited periods. For these purposes the Attorney General may procure such medical supplies, equipment, and temporary services of physicians and qualified consultants as may reasonably be necessary. Subject to the availability of funds appropriated for the purpose, the Attorney General may contract with any county or city and county which undertakes to establish facilities and a testing program pursuant to Section 11551, and such contract may provide for payment by the state of such costs of initially establishing and demonstrating such program as the Attorney General may approve.