---
kind: "section"
citation: "36 C.F.R. § 9.115"
title: "36"
number: "9.115"
heading: "What noise reduction standards must I meet?"
url: "https://uscodex.org/cfr/36/9.115"
---

# §9.115. What noise reduction standards must I meet?


You must prevent or minimize all noise that:

- (a) Adversely affects the natural soundscape or other park resources or values, taking into account frequency, magnitude, or duration; or
- (b) Exceeds levels that have been identified through monitoring as being acceptable to or appropriate for visitor uses at the sites being monitored.

## Notes

### Authority

Authority: 16 U.S.C. 230a(a)(4), 459d-3, 460cc-2(i), 460ee(c)(4), 698c(b)(2), 698i(b)(2), and 698m-4; 18 U.S.C. 3571 and 3581; 31 U.S.C. 9701; 54 U.S.C. 100101, 100751, and 103104.

### Source

Source: 81 FR 77992, Nov. 4, 2016, unless otherwise noted.