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HYDRO20317
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HYDRO20317
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Entry Properties
Last modified
8/24/2016 8:41:40 PM
Creation date
11/20/2007 1:27:52 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Hydrology
Doc Date
12/1/2005
Doc Name
October 2005 DMRs Response to 11/21/05 Letter
From
Oxbow Mining, LLC
To
DMG
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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<br />.. ~... <br />r <br />a Ontta11015 <br />PARTI <br />Page No. 8 <br />Permit No.: CO-0000132 <br />FHluent Parameter n <br />Fbw, M® Once perweek Instantaneous or Continuous <br />Total Suspended Solids (TSS), ~g/I Oace permonth Grab <br />pH, s.u. (~imr~ma:~rm) Once perweek ht-situ <br />Ot7 and Grease, ng/1 Once per week Visual <br />Total Dissolved Solids, mg/1 Once per quarter Grab <br />Whole F~brent Toucity, Acute To~dcity Once per quarter Grab <br />Totallmn,ug/1 Once ermonth Grab <br />b. Outfalls 007.009.010.012, 013, 014.016, 017 snd 019 <br />FF~IuentParsmeter enc Sample~'yQ,g <br />FIow,MGD Oncepermonth Instantaneous or Continuous <br />Total Suspended Solids (TSS), mgll Once per month Grab <br />pH, s.u. (mmimrm-ma>amrm) Once permonth In-situ <br />OdandGrease, !l Once per month Visual <br />Total Dissolved Solids,mg/1 Quarterly Grab <br />Total Iron, ug/1 Once permonth Grab <br />Settleable Solids, mUl Once per month Grab <br /> <br />Self-monitoring sampling by the permittce for compliance with the monitoring requirements specified above shall be <br />perfoma:d at the following locations: outfall 015 - at the outfall from the mine water discharge; outfalls 007, 009, 010, <br />012, 013, 014, 016, 017 and 019- at the outfalls from the respective sedimentation ponds - all prior to entering the <br />immediate receiving waters. <br />Whenever dischazge is observed from outfall 015, the permittee shall attach to the appropriate discharge monitoring reports, <br />documentation indicating to the best of their knowledge the duration of the discharge event. <br />If the permittea, using the approved analytical methods, monitors any parameter more frequently than required by this <br />permit, then the results of such monitoring shall be included in the calculation and reporting of the values required in the <br />Discharge Monitoring Report Form (DMRs) or other forms as required by the Division. Such increased frequency shall <br />also be indicated. <br />c. O11 and Grease Monltorin¢ <br />For every ouffall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab sample shall <br />be collected, analyzed, and reported on the appropriate DMR. In addition, corrective action shall be taken immediately <br />to mitigate the discharge of oil and grease. A description of the corrective action taken should be included with the <br />DMR. <br />See Part I.C. for Definitiana. <br />ISSUED: APRIL 28, 2004 EFFECTIVE: JUNE 1.2004 EXPIRATION: MAY 31, 2009 <br />AMENDED: MAY 16, 2005 EFFECTIVE: JULY Ol. 2005 EXPIRATION: MAY 31.2009 <br />~~° <br />
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