Mine Safety and Health Administration (MSHA) - Federal Register Document E7-2092 - Proposed Information

6296 Federal Register/Vol. 72, No. 27/Friday, February 9, 2007/Notices [FR Doc. E7–2162 Filed 2–8–07; 8:45 am] I. Background Managers with the authority to address unusual but recurring blasting practices BILLING CODE 4510–10–P Under Section 313 of the Federal needed for breaking rock types more Mine Safety and Health Act of 1977 resilient than coal and for misfires in (Mine Act), 30 U.S.C. 873, a mine DEPARTMENT OF LABOR blasting coal. MSHA uses the operator is required to use permissible explosives in underground coal mines. information requested to issue permits Mine Safety and Health Administration The Mine Act also provides that under to mine operators or shaft and slope safeguards prescribed by the Secretary contractors for the use of Proposed Information Collection of Labor, a mine operator may permit nonpermissible explosives and/or shot- RequestSubmitted for Public Comment the firing of more than 20 shots and the firing units under 30 CFR part 77, and Recommendations; Applications use of nonpermissible explosives in Subpart T—Slope and Shaft Sinking. for a permit to Fire More Than 20 sinking shafts and slopes from the Similar permits are issued by MSHA to Boreholes, for the Use of surface in rock. Title 30, CFR 75.1321 underground coal mine operators for Nonpermissible Blasting Units, outlines the procedures by which a shooting more than 20 bore holes and/ Explosives, and Shot-Firing Units. permit may be issued for the firing of or for the use of ...