1. Regulations
  2. title 30
  3. chapter I
  4. part 57
  5. subpart D
  6. subjgrp 156
  7. § 57.5015

View all text of Subjgrp 156 [§ 57.5015 - § 57.5015]

§ 57.5015 - Oxygen deficiency.

Air in all active workings shall contain at least 19.5 volume percent oxygen.

AUTHORITY: 30 U.S.C. 811.

SOURCE: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.

CITE AS: 30 CFR 57.5015