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 11
Permit No. COG-1350000
C J
B. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
3. Monitoring Requirements
In order to obtain an indication of the probable compliance or
noncompliance with the effluent limitations specified in :Part I.B.1,
the l~ermittee shall monitor all effluent parameters at th~z following
frequencies,
a) Active Mining Outfall(s)
Effluent Parameter Measurement Freauencv J Sam E. Twe J
Flow, MGD Weekly Instantaneous
or Continuous
pM, s,u. Weekly Grab
OiI and Grease, mg/1 Weekly Visual. e/
Total Suspended Solids, mg/1 Monthly Grab
Total Iron, mg/1 Monthly Grab
Settleable Solids, ml/1 g/ Monthly Grab
Total Dissolved Solids, mg/1 J* Quarterly Grab
Total Phosphorus (as P), mg/1** Quarterly Grab

b) Post-Paining Outfall(s)
Effluent Parameter Measurement Freauencv J Samn1,: Twe
Flow, MGD Monthly Insta.taneous
or Continuous
Settleable Solids, ml/1 g/ Monthly Grab
Oil and Grease, mg/1 Monthly Visual J
pM, s.u. Monthly Grab
Total Dissolved Solids, mg/1 J* Quarterly ' Grab
Total Phosphorus (as P), mg/1** Quarterly Grab
* Total Dissolved Solids (TDS) monitoring is required only for discharges to
the Colorado River Basin. See specific facility certification rationale
to dete~v~ine whether TDS monitoring is required.
** Total phosphorus monitoring is required only for discharges to the Dillon
Reservor drainage area (i.e., Ten Mile Creek, Snake River, Blue River,
and all other tributaries to the Dillon Reservoir) and for discharges to
the Uppor Bear Creek drainage area. See specific facility certification
rationale to determine whether phosphorus monitoring is required.
See Part I.13.4. for footnotes