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PERMITTEE NAME/ADDRESS (Include Facility Name4ocabon 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 />C00000132 017 -A <br />PERMIT DISCHARGE <br />MONITORING PERIOD <br />MM /DD/YYYY MM/DD/YYYY <br />07/01/2014 07/31/2014 <br />Form Approved <br />OMB No 2040 -0004 <br />DMR Mailing ZIP CODE: 81424 -0535 <br />MINOR <br />GUNIS <br />SURF RUNOFF TO N. FK GUNIS RIV <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 APPLIES FOR < 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR <br />EVERT -SEE I A.1,PP 4 -5, AND I.A 2., P5 FOR RQMNTS. TDS MONITORING -SEE PART VI A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD RPTD <br />EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. 1011712013 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 />...... <br />.•,,,, <br />,,,.,. <br />....,, <br />MEASUREMENT <br />0040010 <br />PERMIT <br />"•••' <br />"` " ~` <br />• ""' <br />6.5 <br />" "'• <br />9 <br />SU <br />Monthly <br />INSITU <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 />005451 0 <br />PERMIT <br />•••' *' <br />• "••• <br />"*"• <br />••'••` <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 />3000 <br />6000 <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 />5005010 <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 />••'••• <br />` -••'• <br />*••' "• <br />"•••'• <br />•••'•• <br />MEASUREMENT <br />8406610 <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 APPLIES FOR < 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR <br />EVERT -SEE I A.1,PP 4 -5, AND I.A 2., P5 FOR RQMNTS. TDS MONITORING -SEE PART VI A.2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD RPTD <br />EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. 1011712013 Page 1 <br />