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PERMITTEE NAME/ADDRESS (include Facility Name/LocahonlfElifferent) 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 012 -A PERMIT NUMBER DISCHARGE MONITORING PERIOD MM/DD/YYYY MM /DD/YYYY 10/01/2014 10/31/2014 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 81424 -0535 MINOR GUNIS SEDIMENT POND TO ELK CREEK External Outfall No Discharge NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I cendy under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE superws— in accordance vnth a system designed to assure that qualified personnel property gather and //11 valuate the informaton submitted Based on my inquiry of the person or persons who manage the ` r U Q system or iMse persons directly responsible for gathering the information, the informaton submitted re to the beat of my knowledge and belief true. accurate and complete I am aware that there are r PSI significant penalties for submitting false Information including the possibility of Me and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR s�I .7 v ° 11 163/7-01 novengwolshons AUTHORIZED AGENT NUMBER M/D rNw TYPE OR PRINTED ARFA Code COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR 1 PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT -SEE LAA RP 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. EPA Form 3320 -1 (Rev.01 106) 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 004001 0 PERMIT ** * * ** " " " * "" "• " " *' 6.5 • * * * ** g 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 Effluent Gross PERMIT REQUIREMENT * " " *' '""'* * "**"" * " * * "* " " " * "" 10 INST MAX mg /L Contingent GRAB 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 cendy under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE superws— in accordance vnth a system designed to assure that qualified personnel property gather and //11 valuate the informaton submitted Based on my inquiry of the person or persons who manage the ` r U Q system or iMse persons directly responsible for gathering the information, the informaton submitted re to the beat of my knowledge and belief true. accurate and complete I am aware that there are r PSI significant penalties for submitting false Information including the possibility of Me and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR s�I .7 v ° 11 163/7-01 novengwolshons AUTHORIZED AGENT NUMBER M/D rNw TYPE OR PRINTED ARFA Code COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS & TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR 1 PRECIP EVENT;SETTLEABLE SOLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT -SEE LAA RP 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. EPA Form 3320 -1 (Rev.01 106) Previous editions may be used. 10/17/2013 Page 1