Code of Federal Regulations > 30 CFR Mineral Resources > I Mine Safety and Health ... > O Coal Mine Safety and He... > 74 Coal Mine Dust Samplin...

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Subpart D — General Requirements for All Devices

§74.12 — Conduct of tests; demonstrations

§74.13 — Applications

§74.14 — Certificate of approval

§74.15 — Approval labels

§74.16 — Material required for record

§74.17 — Changes after certification

§74.18 — Withdrawal of certification