[Code of Federal Regulations]
[Title 36, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 36CFR2.12]

[Page 21-22]
 
              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

[[Page 22]]

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 
circumstances.
    (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.