PERMFILE134943

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 47 Appendix F
• Media Type: D
• Archive: No

•
PART I
Page 3 of 29
Permit No.: CO-0038776
A. TERMS AND CONDITIONS (Continued)
b) Effective during periods of precipitation less than or equal to the
10-year, 24-hour even[ for this facility. (Continued)
Effluent Parameter
Discharge Limitations
Maximum ConcentraCion
Daily Maximum cJ
Flow-(MGD) N A
Settleable Solids Cml/1) 1/ 0.5
Salinity N/A
pH - (Standard Units) shall remain between 6.5 and 9.0 c/.
011 and grease shall not ezceed 10 mg/1 c/ in any grab sample nor shall there
be a visible sheen.
c) Effective during periods of precipitation greater than the 10-year,
24-hour event for this facility.
• Any discharge or increase in volume of a discharge caused by
precipitation within any 24-hour period greater than the 10-year,
24-hour event (or series of atorme or snawmelt of equivalent
volume*) may comply, with the fallowing limitations instead of
limitations of item a) and b) Smmediately preceeding.
Flow-(MCD) - monitoring only per Part I.B.1.
Salinity - monitoring only per Part I.B.1.
pH - (Standard Units) shall remain between 6.5 and 9.0 c/.
Oil and grease shall not ezceed 10 mg/1 c/ in any grab sample nor
shall there be a visible sheen.
* The 10-year, 24-hour event is equal to 1.8 inches of rainfall.
d) Additional conditions-effective at all times.
There shall be no discharge of floating solids or visible foam in
other than trace amounts. The discharge shall not contain any
sanitary sewage or other pcllutants not associated with active
mining operations.
See Part I.C. for Footnotes
. AMENDED / -.'~ ~ - SJJ J~-J
Code: i - 8 Date: 9 - 84