2012-01-09_PERMIT FILE - C1981035A ‎(2)‎

• Permit No: C1981035A
• IBM Index Class Name: Permit File
• Doc Date: 1/9/2012
• Doc Name: land use
• Section_Exhibit Name: KII Appendix 02 Licenses and Permits
• Media Type: D
• Archive: Yes

B. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
1. Effluent Limitations --_
• a. Active Mining Outfalls
ACTIVE MINING PRIMARY LIMITATIONS
Flow, MGD Report Report
'Total Suspended Solids, mg/1 35 70
Total Iron, mg/1
Existing Sources 3.5 7.0
New Sources 3.0 6.0
Total Manganese, mg/I 2.0 4.0
'Settleable Solids, mUl Report Report
pH, s.u. N/A 6.5-9.0
Oil and Grease, mg/1 N/A 10
Total Dissolved Solids, mg/1•• Report Report
Total Phosphoms (as P), mg/1••• Report Report
PART,I
Page No. 4
Permit No. COG-850000
ACTIVE MINING ALTERNATE LIMITATIONS
Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period less than or equal to the
10-vear, 24-hour precioitation event (or snowmelt of equivalent volume) >?~ comply with the following limitations --subject to
btuden ofproofrequirements described in Part LB.Ld).
. ..,.-._......___.._____._.-._._YY.____.-._._....~_..___...._...-......
Flow, MGD .._..._.._._.w.....,_,~ ..-,-~..
Report _.,.,..._-__-____.._-.._
Report
*Total Suspended Solids, mg/1 Report Report
Total Iron, mg/] - . -
Discharges from mountaintop removal, and steep slope areas. Report 7.0 "`
All other discharges covered under this permit ~ Report ~ ~ - - - ~ ~ Report
Total Mutganese, mg/I Report Report
'Settleable Solids, mUl Report 0.5
pH, s.u. N/A 6.5-9.0
Oi] and Grease, mgA N/A 10
Total Dissolved Solids, mg/1•• Report Report
Total Phosphoms (as P), mg/1••• Report Report
"" These alternative limitations pertain to storm evrnts less than a 24-hour period, less than or equal to a two-year, 24-hour precipitation event (or snovmulrot
equivalent volume) only.
'Total Suspended Solids, mg/1 Report Report
Total Iron, mg/1 Report Report
Total Manganese, mg/1 Report Report
'Settleable Solids, mUl Report Report
Oil and Grease, mg/1 N/A ]0
Total Dissolved Solids, mgA•• Report Report
Total Phosphorus (as P), mg/1+•+ Report Report
•If discharge is to land, TSS and settleable solids monitoring is, waived.""Applies only to drainages within the Colprado River Basin
`''Applies only to drainages directly above Chatfield Reservon, Cherry Creek Reservon, Ddlon Reservoir, or Upper Sear Creek
Any discharge or increase in the volume of a discharge caused by precipitation within any 24-hour period Beater than the 10-vear,
24-haw precipitation event (or snowmelt of equivalent volume) ~ comply with the following limitations -- subject to burden of
proof requirements described in Part I.B.I.d).