30 C.F.R. § 56.6312
Secondary blasting
Secondary blasts fired at the same time in the same work area shall be initiated from one source.
Already have an account? Sign in instead.
You stay signed in for 30 days on this browser.
Continue with Google Continue with MicrosoftNo account yet? Create a free one.
We sent a six-digit code.
It expires in ten minutes, works once, and only in this browser. Five wrong tries void it. Send another code.
Your account is live and the Cloudflare checks are off for this browser.
Secondary blasts fired at the same time in the same work area shall be initiated from one source.