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Code · CFR · Title 30 — Mineral Resources · Part 77 · § 77.1901-1

§ 77.1901-1. Methane and oxygen deficiency tests; approved devices.

35 words·~1 min read·/us/cfr/t30/s§ 77.1901-1·

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Tests for oxygen deficiency shall be made with a permissible flame safety lamp or other means approved by the Secretary, and tests for methane shall be made with a methane detector approved by the Secretary.
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