California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 18 - Explosive Materials
Article 115 - Transportation of Explosive Materials
Section 5264 - Transportation of Explosive Materials-Underground-General

(a) Explosive materials shall not be left on the station level near the shaft collar, mine, or tunnel entrance, but shall be taken to the place of use or storage without delay.

(b) Detonators, capped fuses, and other explosive materials transported in any car, vehicle, or shaft conveyance shall be enclosed in substantially constructed containers equipped with tight-fitting covers. Such containers, including the covers, shall be made of wood, metal, fiber, or other equivalent material and shall be lined with nonconductive material.

NOTE: Except for primers, the original cases or DOT shipping containers in which the explosive materials were packaged will be accepted as being in compliance with this subsection.

(c) Except as provided in Section 5264(c)(1), detonators, primers, or capped fuses, shall not be transported in the same container or compartment with other explosive materials.

(d) Except when being transported manually, primers shall be transported in a closed container constructed as described in subsection (b) of this section, and arranged so that each primer is separated from the others by a partition of nonmetallic material. No explosive materials, other than that which is contained in the primer, shall be transported in the same container with the primers.

(e) Explosive materials shall not be transported with rock, ore, or other materials or equipment other than those used in blasting.