[Code of Federal Regulations]
[Title 40, Volume 29]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR426.61]

[Page 35]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 426_GLASS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
            Subpart F_Automotive Glass Tempering Subcategory
 
Sec. 426.61  Specialized definitions.

    For the purpose of this subpart:
    (a) Except as provided below, the general definitions, abbreviations 
and methods of analysis set forth in 40 CFR part 401 shall apply to this 
subpart.
    (b) The term ``tempering'' shall mean the process whereby glass is 
heated near the melting point and then rapidly cooled to increase its 
mechanical and thermal endurance.