New Hampshire Code of Administrative Rules
Saf - Department of Safety
Subtitle Saf-C - Commissioner, Department of Safety
Chapter Saf-C 1600 - EXPLOSIVES
Part Saf-C 1639 - SEPARATION DISTANCES OF AMMONIUM NITRATE AND BLASTING AGENTS FROM EXPLOSIVES OR BLASTING AGENTS
Section Saf-C 1639.02 - Ammonium Nitrate
Current through Register No. 40, October 3, 2024
(a) When the ammonium nitrate or blasting agent or both are not barricaded, the distances shown in the table shall be multiplied by 6. These distances allow for the possibility of high velocity metal fragments from mixers, hoppers, truck bodies, sheet metal structures, metal containers, and the like which may enclose the "donor." Where storage is in bullet-resistant magazines recommended for explosives or where the storage is protected by a bullet-resistant wall, distances and barricade thicknesses in excess of those prescribed in the tables of distances set forth in Saf-C 1640 shall not be required.
(b) The distances in the table shall apply to ammonium nitrate that passes the insensitivity test prescribed in the definition of ammonium nitrate fertilizer, promulgated by the national plant food institute. Ammonium nitrate failing to pass the test shall be stored in accordance with Table 1640.3 below.
#2220, eff 12-31-82; ss by #2837, eff 8-27-84; ss by #4584, eff 3-3-89; ss by #5996, INTERIM, eff 3-3-95, EXPIRES, 7-1-95; ss by #6054, eff 7-1-95, EXPIRED: 7-1-03
New. #8116, INTERIM, eff 7-14-04, EXPIRES: 1-10-05; ss by #8231, eff 12-20-04
