Ingredients for on-site-mixed water gels shall be stored as set forth in this Section.
(a) Ingredients in themselves classified as Class A or Class B explosives shall be stored in conformity with Article 4.(b) Ingredients, other than ammonium nitrate, not in themselves classified as explosives, shall be stored in warehouses which shall be noncombustible or fire-resistive.(c) Prilled, grained, or granulated ammonium nitrate shall be stored in accordance with National Fire Protection Association Pamphlet 490, 1967 Edition, Code for the Storage of Ammonium Nitrate. If ammonium nitrate is stored in the vicinity of explosives or blasting agents, the separation distances specified in the Table of Separation distances of Ammonium Nitrate and Blasting Agents shall be observed.(d) Liquid ammonium nitrate solutions shall be stored in tank cars, tank trucks, or permanent tanks in a location approved by the "Chief" having jurisdiction. Spills or leaks which may contaminate combustible materials shall be cleaned up immediately.Cal. Code Regs. Tit. 19, § 1573.2