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PERMITTEE NAME/ADDRESS (Indude Faulty Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br />Somerset, CO 81434 -0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />ATTN: Mike Ludlow Exec VP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />000000132 010-A <br />PER NUMBER NUM R <br />MONITORING PERIOD <br />MM/DD/YYYY MWDD/YYYY <br />10/01/2013 10/31/2013 <br />Form Approved <br />OMB No. 2040-0004 <br />DMR Mating ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO SANBORN CREEK <br />External Outfall <br />No Discharge <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR < =10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WANED FOR >10YR,24HR <br />EVENT -SEE I.A.1,PP 4-5, AND I.A.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/1712013 Page 1 <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />SAMPLE <br />PARAMETER <br />EX <br />OF ANALYSIS <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pH <br />SAMPLE <br />MEASUREMENT <br />0040010 <br />PERMIT <br />•••'*' <br />'*• *•• <br />• *' *`• <br />6.5 <br />* ""' <br />9 <br />SU <br />Monthly <br />MISITU <br />Effluent Gross <br />REQUIREMENT <br />MINIMUM <br />MAXIMUM <br />Solids, total suspended <br />SAMPLE <br />"• "'"` <br />'*" -`• <br />*•"•': <br />*•` *•• <br />MEASUREMENT <br />0053010 <br />PERMIT <br />* * " * *' <br />• ~ "' <br />•**'•' <br />*••«" <br />35 <br />70 <br />mg /L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Solids, settleable <br />SAMPLE <br />-`• " *• <br />•' * *'« <br />. «. «,« <br />» „« <br />MEASUREMENT <br />00545 1 0 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />mUL <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Iron, total [as Fe) <br />SAMPLE <br />” " " :•' <br />" "• * *' <br />' - "`• <br />* *'--* <br />MEASUREMENT <br />0104510 <br />PERMIT <br />' **•`* <br />" * "* <br />*'••" <br />"**** <br />3500 <br />7000 <br />ug/L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease <br />SAMPLE <br />"•' -'• <br />"•' -•" <br />' "• "*• <br />`• "'* <br />' " " *" <br />MEASUREMENT <br />0358210 <br />PERMIT <br />**"' -' <br />*•• "• <br />* **•'• <br />•*` *•• <br />"' *~• <br />10 <br />mg /L <br />Contingent <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />Flow, in conduit or thru treatment plat <br />SAMPLE <br />* *** ** <br />* *• **` <br />"'••' <br />`*"•• <br />MEASUREMENT <br />500501 0 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />MGD <br />"'"•* <br />" - * ** <br />*`•"*• <br />"'*'• <br />Monthly <br />INSTAN <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease visual <br />SAMPLE <br />MEASUREMENT <br />840661 0 <br />PERMIT <br />* "•`• <br />Req. Mon. <br />Y =1;N =0 <br />* "'*• <br />""*' <br />•'*• -" <br />*" "' <br />Monthly <br />VISUAL <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR < =10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WANED FOR >10YR,24HR <br />EVENT -SEE I.A.1,PP 4-5, AND I.A.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/1712013 Page 1 <br />