Sec.29-349-272. Storage of blasting agents and supplies

Blasting agents, ammonium nitrate and all oxidizers used for mixing of blasting agents shall be stored in the manner set forth in this section.

(a) Blasting agents or ammonium nitrate, when stored in conjunction with explosives shall be stored in conformity with the Table of Distances Chart, Chapter IX of this Code. The mass of blasting agents and one-half the mass of ammonium nitrate shall be included when computing the total quantity of explosives for determining distance requirements.

(b) Blasting agents when stored entirely separate may be stored in the manner set forth for Class A explosives or in one-story warehouses (without basements) which shall be:

1. Noncombustible or fire-resistive;

2. Constructed so as to eliminate open floor drains and piping into which molten materials could flow and be confined in case of fire;

3. Weather resistant;

4. Well ventilated; and

5. Equipped with a strong door kept securely locked, in the same manner as explosives magazines, except when open for business under supervision.

(c) Semitrailer or full trailer vans used for highway or on-site transportation of the blasting agents are satisfactory for temporary storing of these materials, provided they are located according to the American Table of Distances with respect to inhabited buildings, passenger railroads and public highways and according to the Table of Recommended Separation Distances of Ammonium Nitrate and Blasting Agents from Explosives or Blasting Agents with respect to one another. 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 and blasting agents.

(Effective December 24, 1987)