[Code of Federal Regulations]
[Title 36, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY
CHAPTER I--NATIONAL PARK SERVICE, DEPARTMENT OF THE INTERIOR
PART 2--RESOURCE PROTECTION, PUBLIC USE AND RECREATION--Table of Contents
Sec. 2.12 Audio disturbances.
(a) The following are prohibited:
(1) Operating motorized equipment or machinery such as an electric
generating plant, motor vehicle, motorized toy, or an audio device, such
as a radio, television set, tape deck or musical instrument, in a
manner: (i) That exceeds a noise level of 60 decibels measured on the A-
weighted scale at 50 feet; or, if below that level, nevertheless; (ii)
makes noise which is unreasonable, considering the nature and purpose of
the actor's conduct, location, time of day or night, purpose for which
the area was established, impact on park users, and other factors that
would govern the conduct of a reasonably prudent person under the
(2) In developed areas, operating a power saw, except pursuant to
the terms and conditions of a permit.
(3) In nondeveloped areas, operating any type of portable motor or
engine, or device powered by a portable motor or engine, except pursuant
to the terms and conditions of a permit. This paragraph does not apply
to vessels in areas where motor boating is allowed.
(4) Operating a public address system, except in connection with a
public gathering or special event for which a permit has been issued
pursuant to Sec. 2.50 or Sec. 2.51.
(b) Violation of the terms and conditions of a permit issued in
accordance with section is prohibited and may result in the suspension
or revocation of the permit.