[Code of Federal Regulations]

[Title 40, Volume 24]

[Revised as of July 1, 2006]

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

[CITE: 40CFR201.21]



[Page 75]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 201_NOISE EMISSION STANDARDS FOR TRANSPORTATION EQUIPMENT; INTERSTATE 

RAIL CARRIERS--Table of Contents

 

                     Subpart C_Measurement Criteria

 

Sec.  201.21  Quantities measured.



    The quantities to be measured under the test conditions described 

below, are the A-weighted sound levels for ``fast'' or ``slow'' meter 

response as defined in the American National Standard S1.4-1971.