A.R.S. § 27-322: Explosives; marking; utilization and storage

A. All explosives or blasting agents sold in the state shall be marked with the date of manufacture in the manner prescribed by the inspector. The inspector shall have authority to designate types of explosives or blasting agents which may not be sold or used after twelve months from the date of manufacture.

B. The inspector may regulate and limit the amount of explosives or blasting agents stored or kept in general supply stores in mining camps or mining towns where there is no law governing storage thereof.