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PERMITTEE NAME/ADDRESS (include Facitfly Name/Location if Different) NAME: Oxbow Mining LLC ADDRESS: PO Box 535 Somerset, CO 81434 -0535 FACILITY: SANBORN CRK & ELK CRK MINES LOCATION: 3737 HIGHWAY 133 SOMERSET, CO 81434 ATTN: Mike Ludlow Exec VP fi NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPQES) DISCHARGE MONITORING REPORT (OUR) C00000132 019-A PERMIT NUMBER —DISCHARGE B MONITORING PERIOD MM/DD/YYYY MWDD/YYYY 11/01/2013 11/30/2013 Form Approved OMB No. 2040.0004 OUR Melling ZIP CODE: 814240535 MINOR GUNIS SURFACE RUNOFIF TO HUBBARD CRK External Outfall No Dlscharge NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all abatements were prepared under my direction or TELEPHONE DATE supenann in format nrd mth a system d on my le assure ant qualified or tatrso s e maProperly �r ant Vr�t4 �,/ • f l V lt t r G.- akMe drc mformatan aubmRed Based on my ngwry of the person or peremrs who manage the system, or those persons directly responsille for gathers g e,e nfornuWn, the nformabon submided s, //�� (9� ♦ b the best of my knowledge and belief, true, accurate. and complete I am aware mu there are 9 �Q -72y_ 5-9a 6 Q ' 5VAcant penalbn for subm" Klee information, including the poas�tly, of fine and enpimminert for SIGNATURE OF PRI PAL EXECUTIVE OFFICER OR J TYPED OR PRINTED novwVvioiabons AUTHORIZE AGENT ,wEncoa. NUMBER COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT -SEE IA.1,PP 45, AND IA.2, P 5 FOR RQMNTS.TDS MONITORING -SEE PART VIA2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD. EPA Form 3520 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITt{ pH SAMPLE ""• "* ••" "" "'•" " "' MEASUREMENT 0040010 PERMIT " "`**` *"" *' '"•"` 6.5 •"*'•` 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE "^""• '"""" '*'"" *"**" F MEASUREMENT 0053010 PERMIT *"•••` *""* '"•"'• *`*'*" 35 70 Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG MX 7D AV k Solids, settleable SAMPLE •••*•• *•••** ' *•"` *••••• MEASUREMENT 005451 0 PERMIT "'••*` ****•* "*•*"* *"'•' Req. Mon. Req. Mon. mutt. Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE ** *••` •• * *• ""** "'•••• MEASUREMENT 0104510 PERMIT ""~~ •~**• *••*'* '•`*" 3000 6000 ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease SAMPLE ••'••" *'•••• ••••'" •`•' -' ""'"•" MEASUREMENT 0358210 PERMIT ••••"• • ~••• `•••" `*'•" •"""• 10 mg /L Contingent GRAB Effluent Gross REQUIREMENT INST MAX Flow, in conduit or thru treatment plat SAMPLE •*•"•• ~•**• •*•`•• ••**`" MEASUREMENT 500501 0 Effluent Gross PERMIT REQUIREMENT Req. Mon. 30DA AVG Req. Mon. DAILY MX MGD "•"" '*"'• •"•" *""" Monthly f INSTAN Oil and grease visual SAMPLE *••*•* ••*••• ••`••" •••••* -• *••• q MEASUREMENT 840661 0 PERMIT "' *` ** Req. Mon. Y =1;N =0 '•"'• "'•*` *""• •'• "" Monthly VISUAL Effluent Gross REQUIREMENT INST MAX NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all abatements were prepared under my direction or TELEPHONE DATE supenann in format nrd mth a system d on my le assure ant qualified or tatrso s e maProperly �r ant Vr�t4 �,/ • f l V lt t r G.- akMe drc mformatan aubmRed Based on my ngwry of the person or peremrs who manage the system, or those persons directly responsille for gathers g e,e nfornuWn, the nformabon submided s, //�� (9� ♦ b the best of my knowledge and belief, true, accurate. and complete I am aware mu there are 9 �Q -72y_ 5-9a 6 Q ' 5VAcant penalbn for subm" Klee information, including the poas�tly, of fine and enpimminert for SIGNATURE OF PRI PAL EXECUTIVE OFFICER OR J TYPED OR PRINTED novwVvioiabons AUTHORIZE AGENT ,wEncoa. NUMBER COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT -SEE IA.1,PP 45, AND IA.2, P 5 FOR RQMNTS.TDS MONITORING -SEE PART VIA2.G OF RATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD. EPA Form 3520 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1