California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 10 - Explosives
Subchapter 4 - Use and Handling of Explosives
Article 9 - Explosives at Piers, Railway Stations and Cars or Vessels Not Otherwise Specified in these Rules and Regulations
Section 1571.3 - Explosives Location

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.