Cal. Health & Safety Code § 25162
(a) A person shall not transport hazardous waste on the highways of this state, or deliver to a railroad or vessel hazardous waste for transport if the final destination of the transported hazardous waste is a domestic facility outside the jurisdiction of the state, unless one of the following applies:
(1) The facility has been issued a permit pursuant to subsection (c) or (g), or has been granted authority to operate pursuant to subsection (e) of Section 3005 of the federal act (42 U.S.C. Sec. 6925) by either of the following:
(e) A person shall not transport hazardous waste that is subject to the requirements of Section 3017 of the federal act (42 U.S.C. Sec. 6938) on the highways of this state or deliver to a railroad or vessel any of this hazardous waste for transport, if the final destination of the transported hazardous waste is a foreign country, unless the shipment is in compliance with the applicable regulations adopted pursuant to Section 25150.2 and either of the following conditions is met: