NM CID GS-8 Practice Questions - New Mexico CID GS-8 Earthmoving, Excavation And Ditching Examination Exam

OSHA Table U-1 blasting signals include a warning signal that is:

A 1-minute series of long blasts 5 minutes prior to the blast signal A single tap on a truck horn at the moment of detonation Three whistle blasts after the shot only No signal if the blaster can see the face

Correct Answer:

A 1-minute series of long blasts 5 minutes prior to the blast signal

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