[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR440.100]

[Page 427]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 440--ORE MINING AND DRESSING POINT SOURCE CATEGORY--Table of Contents
 
    Subpart J--Copper, Lead, Zinc, Gold, Silver, and Molybdenum Ores 
                               Subcategory
 
Sec. 440.100  Applicability; description of the copper, lead, zinc, gold, silver, and molybdenum ores subcategory.


    (a) The provisions of this subpart J are applicable to discharges 
from--
    (1) Mines that produce copper, lead, zinc, gold, silver, or 
molybdenum bearing ores, or any combination of these ores from open-pit 
or underground operations other than placer deposits;
    (2) Mills that use the froth-flotation process alone or in 
conjunction with other processes, for the beneficiation of copper, lead, 
zinc, gold, silver, or molybdenum ores, or any combination of these 
ores;
    (3) Mines and mills that use dump, heap, in-situ leach, or vat-leach 
processes to extract copper from ores or ore waste materials; and
    (4) Mills that use the cyanidation process to extract gold or 
silver.
    (b) Discharge from mines or mines and mills that use gravity 
separation methods (including placer or dredge mining or concentrating 
operations, and hydraulic mining operations) to extract gold ores are 
regulated under subpart M.
    (c) Discharge from mines (including placer or dredge mining, and 
hydraulic mining operations) or mines and mills that use gravity 
separation methods to extract silver from placer ores are not covered 
under this part.
    (d) The provisions of this subpart shall not apply to discharges 
from the Quartz Hill Molybdenum Project in the Tongass National Forest, 
Alaska.

[47 FR 54609, Dec. 3, 1982, as amended at 53 FR 18788, May 24, 1988]