New Jersey Administrative Code
Title 12 - LABOR AND WORKFORCE DEVELOPMENT
Chapter 190 - EXPLOSIVES
Subchapter 9 - BLASTING AGENTS
Section 12:190-9.9 - Storage of blasting agents and supplies

(a) This section shall apply to the storage of blasting agents and oxidizers used for mixing of blasting agents.

(b) Blasting agents or ammonium nitrate, when stored in conjunction with explosives, shall be stored as provided in N.J.A.C. 12:190-5. The mass of blasting agents and one-half the mass of ammonium nitrate shall be included when computing the total quantity of explosive materials for determining distance.

(c) Blasting agents, when stored entirely separate from explosives, shall be stored in a Type 4 magazine or a magazine of higher classification (lower number).

(d) Magazines in which blasting agents are stored shall be constructed so as to eliminate open floor drains and piping into which molten materials could flow and be confined in case of fire.

(e) Semi-trailers or full-trailers used for highway or on-site transportation of the blasting agents may be used for temporarily storing these materials, provided they are located in accordance with N.J.A.C. 12:90-5. Trailers shall be provided with substantial means for locking, and the trailer doors shall be kept locked, except during the time of placement and removal of stocks of blasting agents.

(f) Piles of ammonium nitrate and warehouses containing ammonium nitrate shall be separated adequately from readily combustible fuels.

(g) Caked oxidizers, either in bags or in bulk, shall not be loosened by blasting.

(h) Every magazine used for the storage of blasting agents shall be under the supervision of a competent person who shall be not less than 21 years of age.