California Code, Health and Safety Code - HSC § 25257.1

(a) This article does not limit and shall not be construed to limit the department's or any other department's or agency's existing authority over hazardous materials.

(b) This article does not authorize the department to supersede the regulatory authority of any other department or agency.

(c) The department shall not duplicate or adopt conflicting regulations for product categories already regulated or subject to pending regulation consistent with the purposes of this article.