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Regulations last checked for updates: May 23, 2025
Title 30 - Mineral Resources last revised: Apr 14, 2025
All Titles
Title 30
Chapter I
Part 28
Subpart D - Subpart D—Quality Control
§ 28.30 - Quality control plans; filing requirements.
§ 28.31 - Quality control plans; contents.
§ 28.32 - Proposed quality control plans; approval by MSHA.
§ 28.33 - Quality control test methods, equipment, and records; review by MSHA; revocation of approval.
authority:
30 U.S.C. 957
,
961
source:
37 FR 7562, Apr. 15, 1972, unless otherwise noted.
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