Any explosives at a railway facility, truck terminal, pier, wharf, harbor facility, or airport terminal, within any city, city and county, county, fire protection district, or the state, whether for delivery to a consignee, or forwarded to some other destination, shall be kept in a safe place which has been approved by the "Chief" having jurisdiction. In approving such location it is the intent that the explosives shall be isolated as far as practicable and in such manner that they can be easily and quickly removed.
Cal. Code Regs. Tit. 19, § 1571.3