Professional Standards & Best Practices Flashcards
7 cards from real CES practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Professional Standards & Best Practices flashcards as text
When a blaster discovers that a misfire has occurred, the FIRST action required under OSHA 29 CFR 1926.911 is to:
Answer: Wait at least 30 minutes before approaching if using a fuse
OSHA 1926.911 requires a minimum 30-minute wait before approaching a misfired electric blast or one fired with safety fuse to allow any delayed detonation to occur.
The IME (Institute of Makers of Explosives) Safety Library publications are primarily intended to:
Answer: Serve as voluntary industry safety guidance
IME Safety Library publications provide voluntary best-practice guidance for the explosives industry and complement but do not replace regulatory requirements.
A licensed blaster accepting a new job assignment should verify which of the following FIRST?
Answer: That their license is valid in the state where work will be performed
State blasting licenses are jurisdiction-specific, and a blaster must confirm their license is recognized or valid in the state where the project is located before performing any work.
Under ATF regulations, which record must be kept for ALL explosive transactions, whether purchase, use, or transfer?
Answer: ATF Form 5400.4 (Acquisition/Disposition Record)
ATF Form 5400.4 serves as the Acquisition and Disposition Record that federally licensed explosives dealers and users must complete for every explosive transaction.
In a pre-blast survey, the purpose of documenting pre-existing cracks and settlement in nearby structures is to:
Answer: Establish baseline conditions to distinguish pre-existing from blast-caused damage
Pre-blast surveys document existing structural conditions so that any post-blast damage claims can be fairly assessed against a known baseline.
Which professional behavior is considered an ethical obligation for a Certified Explosives Specialist?
Answer: Refusing assignments that exceed their training and competence
Professional ethics require a CES to decline work that falls outside their demonstrated competence to protect public safety and professional integrity.
Post-blast inspection of a blast site primarily serves to:
Answer: Confirm all explosives detonated and the area is safe to re-enter
The post-blast inspection verifies that all charges detonated, identifies misfires, and confirms it is safe for workers and equipment to re-enter the blast zone.