[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: 40CFR436.20]

[Page 347]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 436_MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY
--Table of Contents
 
                   Subpart B_Crushed Stone Subcategory
 
Sec. 436.20  Applicability; description of the crushed stone subcategory.

    Source: 42 FR 35849, July 12, 1977, unless otherwise noted.


    The provisions of this subpart are applicable to the mining or 
quarrying and the processing of crushed and broken stone and riprap. 
This subpart includes all types of rock and stone. Rock and stone that 
is crushed or broken prior to the extraction of a mineral are elsewhere 
covered. The processing of calcite, however, in conjunction with the 
processing of crushed and broken limestone or dolomite is included in 
this subpart.