California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 12803

(a) The director individually evaluates each listed substance exempted pursuant to the federal authority and concurs in the decision by the United States Environmental Protection Agency Administrator to exempt that substance.

(b) The director excludes from the exempting regulation those specific requirements of this division that may otherwise be applicable that are necessary to protect the public health or the environment. Notwithstanding any other provision of law, the director shall retain authority to regulate any substance exempted pursuant to this section whether registered or not.