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Quality Control | Midpage
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Code of Federal Regulations
Title 30
Chapter I
Subchapter B
Part 28
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.