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Regulations last checked for updates: May 17, 2025
Title 30 - Mineral Resources last revised: Apr 14, 2025
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Title 30
Chapter I
Part 18
Subpart D - Subpart D—Machines Assembled With Certified or Explosion-Proof Components, Field Modifications of Approved Machines, and Permits To Use Experimental Equipment
§ 18.80 - Approval of machines assembled with certified or explosion-proof components.
§ 18.81 - Field modification of approved (permissible) equipment; application for approval of modification; approval of plans for modification before modification.
§ 18.82 - Permit to use experimental electric face equipment in a gassy mine or tunnel.
Appendix Appendix I - Appendix I to Subpart D of Part 18
Appendix Appendix II - Appendix II to Subpart D of Part 18
authority:
30 U.S.C. 957
,
961
source:
33 FR 4660, Mar. 19, 1968, unless otherwise noted.
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