---
kind: "section"
citation: "30 C.F.R. § 77.201"
title: "30"
number: "77.201"
heading: "Methane content in surface installations."
url: "https://uscodex.org/cfr/30/77.201"
---

# §77.201. Methane content in surface installations.


The methane content in the air of any structure, enclosure or other facility shall be less than 1.0 volume per centum.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 36 FR 9364, May 22, 1971, unless otherwise noted.