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PERMITTEE NAME/ADDRESS (include Facility 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 NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00000132 016 -A PE I B DISCHARGE ER MONITORING PERIOD MWDD/YYYY MM /DD/YYYY 10/01/2014 10/31/2014 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 81424 -0535 MINOR GUNIS SURFACE RUNOFF TO ELK CREEK External Outfall No Discharge NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I xddy, under penalty of lawthatthis document and all attachments were prepared under mydaectlon or /// ^ TELEPHONE DATE supervision In accordance wlth a system designed to assure that qualified personnel properly gather and /f / aluate the information submitted Based on my inquiry of the person or persons who manage the v/( I —Coil i t'�r, /`y' M\ \<-e (� system or Mose persons directly responsible for gathering the information, the information submitted is !� "r �o- �� J 6 W 1 to the best of my knowledge and belief true accurate, and complete I am aware that there are A ✓ '� t'S J y,* sgnificant penalties for submitting false Information Including the possibility of fine and imprisonment for IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR no gwolatiorre AUTHORIZED AGENT AREACOda NUMBER /D rfM TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR 1 HR PRECIP EVENT;SETTLEABLE SOLIDS LIMITS MAY BE WAIVED FOR >10YR,24HR 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 RPTD. EPA Form 3320.1 (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 UNITS pH SAMPLE * * «. «. «...« «..... *.*... MEASUREMENT 0040010 PERMIT •• " " *' "•" * *' **• * ** 6.5 " * * "'* 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT 0053010 PERMIT * "• "•" *** * ** • * **** •• " *" 35 70 mg /L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE * * * * *" * * * * ** *• " * ** • * " *' MEASUREMENT 005451 0 PERMIT **** "* * "' " *" * " * * "" '** *** Req. Mon. Req. Mon. mUL 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 PERMIT Req. Mon. Req. Mon. MGD « * " * ** **" * *" •' «* " "" Monthly INSTAN Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease visual SAMPLE "• * * ** • *• * ** * *' *•' " " "* «` « *'« MEASUREMENT 840661 0 PERMIT *• * * *' Req. Mon. Y =1;N =0 *'• * *• *• * *•' • * * * ** """ Monthly VISUAL Effluent Gross REQUIREMENT INST MAX NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I xddy, under penalty of lawthatthis document and all attachments were prepared under mydaectlon or /// ^ TELEPHONE DATE supervision In accordance wlth a system designed to assure that qualified personnel properly gather and /f / aluate the information submitted Based on my inquiry of the person or persons who manage the v/( I —Coil i t'�r, /`y' M\ \<-e (� system or Mose persons directly responsible for gathering the information, the information submitted is !� "r �o- �� J 6 W 1 to the best of my knowledge and belief true accurate, and complete I am aware that there are A ✓ '� t'S J y,* sgnificant penalties for submitting false Information Including the possibility of fine and imprisonment for IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR no gwolatiorre AUTHORIZED AGENT AREACOda NUMBER /D rfM TYPED OR PRINTED COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR 1 HR PRECIP EVENT;SETTLEABLE SOLIDS LIMITS MAY BE WAIVED FOR >10YR,24HR 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 RPTD. EPA Form 3320.1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1