CES Regulatory Compliance & Guidelines 3

Question 1

Under ATF regulations, what is the minimum required thickness of steel for a Type 1 (permanent) aboveground magazine?

Accepted Answer

1/4 inch

Answer

27 CFR 555 Subpart K specifies that Type 1 aboveground magazines must be constructed with at least 1/4-inch steel on the exterior.

Question 2

The American Table of Distances (ATD) used for explosives storage is published by which organization?

Accepted Answer

Institute of Makers of Explosives (IME)

Answer

The IME publishes the American Table of Distances, which establishes the minimum required separation distances between explosive storage and inhabited buildings, highways, and other magazines.

Question 3

Under 27 CFR 555, a Type 2 magazine (portable, aboveground) is limited to storing no more than how many pounds of high explosives?

Accepted Answer

500 lbs

Answer

Type 2 portable aboveground magazines are limited to storing 500 lbs or less of high explosives under ATF regulations.

Question 4

Which type of ATF-approved magazine may be used for temporary field storage of explosive materials at a blasting site?

Accepted Answer

Type 3 (portable, outdoor)

Answer

Type 3 magazines are portable outdoor magazines approved for temporary field storage at jobsites where blasting is ongoing.

Question 5

NFPA 495 (Explosive Materials Code) addresses which aspect of magazine separation from each other?

Accepted Answer

Inter-magazine distances are based on quantity-distance tables to prevent sympathetic detonation

Answer

NFPA 495 uses quantity-distance (Q-D) tables to specify inter-magazine separation distances that reduce the risk of sympathetic detonation.

(CES) Certified Explosives Specialist Practice Test

(CES) Certified Explosives Specialist Practice Test

CES Regulatory Compliance & Guidelines 3