[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: 40CFR440.140]

[Page 430]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 440_ORE MINING AND DRESSING POINT SOURCE CATEGORY
--Table of Contents
 
                 Subpart M_Gold Placer Mine Subcategory
 
Sec. 440.140  Applicability; description of the gold placer mine subcategory.

    Source: 53 FR 18788, May 24, 1988, unless otherwise noted.


    (a) The provisions of this subpart M are applicable to discharges 
from--
    (1) Mines and dredges that produce gold or gold bearing ores from 
placer deposits; and
    (2) The beneficiation processes which use gravity separation methods 
for recovering gold from placer deposits.
    (b) The provisions of this subpart M are not applicable to any mines 
or beneficiation processes which process less than 1500 cubic yards (cu 
yd) of ore per year, or to dredges which process less than 50,000 cu yd 
of ore per year, or to dredges located in open waters (i.e., open bays, 
marine waters, or major rivers).