[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR325.21]

[Page 756]
 
                        TITLE 49--TRANSPORTATION
 
        CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION,
                      DEPARTMENT OF TRANSPORTATION
 
PART 325--COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS--Table of Contents
 
                       Subpart C--Instrumentation
 
Sec. 325.21  Scope of the rules in this subpart.


    The rules in this subpart specify criteria for sound level 
measurement systems which are used to make the sound level measurements 
specified in subpart D and subpart E of this part.