AZ ROC CR-15 Blasting Practice Questions - Arizona ROC CR-15 Blasting Examination Exam

What is the primary operational rule regarding the use of an ATF Type 3 explosives storage magazine (Day Box)?

It may be used for permanent unattended storage of high explosives for up to 30 days It is used for temporary storage while attended, and all unused explosives must be returned to a Type 1 or 2 magazine at the end of the work shift It is designed exclusively for storing non-explosive drill bits and tamping poles It requires a minimum 12-inch concrete floor slab when placed on a truck bed

Correct Answer:

It is used for temporary storage while attended, and all unused explosives must be returned to a Type 1 or 2 magazine at the end of the work shift

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