[Code of Federal Regulations]

[Title 49, Volume 5]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR325.51]



[Page 13]

 

                        TITLE 49--TRANSPORTATION

 

                      DEPARTMENT OF TRANSPORTATION

 

PART 325_COMPLIANCE WITH INTERSTATE MOTOR CARRIER NOISE EMISSION STANDARDS

--Table of Contents

 

        Subpart E_Measurement of Noise Emissions; Stationary Test

 

Sec. 325.51  Scope of the rules in this subpart.





    (a) The rules in this subpart specify conditions and procedures for 

measuring the sound level generated by a vehicle when the vehicle's 

engine is rapidly accelerated from idle to governed speed at wide open 

throttle with the vehicle stationary, its transmission in neutral, and 

its clutch engaged, for the purpose of ascertaining whether the motor 

vehicle conforms to the Standard for Operation Under Stationary Test, 40 

CFR 202.21.

    (b) The rules in this subpart apply only to a motor vehicle that is 

equipped with an engine speed governor.

    (c) Tests conducted in accordance with the rules of this subpart may 

be made on either side of the vehicle.