---
kind: "section"
citation: "30 C.F.R. § 62.140"
title: "30"
number: "62.140"
heading: "Dual hearing protection level."
url: "https://uscodex.org/cfr/30/62.140"
---

# §62.140. Dual hearing protection level.


If during any work shift a miner's noise exposure exceeds the dual hearing protection level, the mine operator must, in addition to the actions required for noise exposures that exceed the permissible exposure level, provide and ensure the concurrent use of both an ear plug and an ear muff type hearing protector. The following table sets out mine operator actions under MSHA's noise standard.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 64 FR 49630, Sept. 13, 1999, unless otherwise noted.