PERMFILE69459

• Permit No: C1983059A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 2 OTHER PERMITS
• Media Type: D
• Archive: Yes

PART I
Page 5
Permit No. COC-850000
B. EFFLUEt'T LIMITATIONS AND MONITORING REQUIREMENTS
1. Ffl:luent Limitations (continued)
b) Post-Mining Outfall(s) (continued)
Ef 1•ient Parameter
Discharge L m'tat.ion
Maximum Concentration
Da Maximum
Flow, MGD Report
pH, standx.rd units (minimum-maximum) 6.5-9.0
011 and Crease, mg/1 (No visible sheen) 10 J
Settleable: Solids, ml/1 g/ 0.5
Total Dissolved Solids, mg/1 (Colorado River Basin Only) Report
Total Phosphorus (as P), mg/1 Report
(Dillon Reservoir and Upper Bear Creek Drainages Only)
ALTERNATE LIMITATIONS
Any discharge or increase in the volume of a discharge caused by
precipitation within any 24-hour period greater than ttto 10-year.
24-hour precipitation event (oz snowmelt of equivalent volume)
may comply with the following limitations sub]ect to b~irden of
proof requirements described in Part I.B. 1. d).
Flow, MGD - monitoring only per Part I.B.2.b)
pH shall remain between 6.5 and 9.0 s. u. J .
Oil and grease shall not exceed 10 mg/1. J g/
Total Dissolved Solids, mg/1 - monitoring only per Part I.B.2.b)
(Colorado River Basin Only)
Total Phosphorus (as P), mg/1 - monitoring only per Part I.B.2.b)
(Dillon Reservoir and Upper Bear Creek Drainages Onl}~)
c) General Limitations - Active and Post-Mining Outfalls
1. There shall be no discharge of sanftary waste waters from
toilets or related facilities.
2. There shall be no discharge of floating solids or 'visible foam
in other than trace amounts.
3. No chemicals are to be added to the discharge unless
permission for the use of a specific chemical is granted by
the Division.
4. There shall be no land application of wastewater, other than
for dust cbntrol.

See Part I.B.4. for Footnotes