Code of Federal Regulations > 30 CFR Mineral Resources > I Mine Safety and Health ... > B Testing, Evaluation, an... > 28 Fuses For Use With Dir...

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Subpart C — Approval and Disapproval

§28.20 — Certificates of approval; scope of approval

§28.21 — Certificates of approval; contents

§28.22 — Notice of disapproval

§28.23 — Approval labels or markings; approval of contents; use

§28.24 — Revocation of certificates of approval

§28.25 — Changes or modifications of approved fuses; issuance of modification of certificate of approval