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PERMITTEE NAME/ADDRESS (Include Fatality Name/Locahon ADd/erent) 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 R OT NUMBER DISGWGE NUMBER MONITORING PERIOD MWDD/YYYY MWDD/YYYY 11/01/2013 11/30/2013 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 81424 -0535 MINOR GUNIS SEDIMENT POND TO ELK CREEK External Outfall No Discharge NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I cerbh under penalty of law that the document and all attachments sere prepared under my direction or ^ / TELEPHONE DATE supemsun m accordance wah a system deaWMd to assure ffW cp-kWd personrwl preop III W.. and evaluate It's mformabon submdted Based on my mgmry of the person or persons who manage the O L4j system, or tlhase persons daectly respmah ble for gathering the mlormatwn, the mformabon submdted c, �06 1z./04 ZL.7 to the best of my knowledge and belief, true accurate. and complete I am aware dus there are Exe C "no. pMatws fo submdbnp false mformabon, hnGudinp the poeadW ty of fine and imp sonmerd for GNATURE OF PRINCIPAL EXECUTIVE OFFICER OR 720 J °N""p"°boore, AUTHORIZED AGENT NUMBER tAN TYPED OR PRINTED naen cods COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS 8 TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT 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 REPRTD. 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 004001 0 PERMIT ` " *•'• • * " * "* * ""*" 6.5 '*" "* 9 Su Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE *"***" • * "••• •"""•' ~"'• 1 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 500601 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 NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I cerbh under penalty of law that the document and all attachments sere prepared under my direction or ^ / TELEPHONE DATE supemsun m accordance wah a system deaWMd to assure ffW cp-kWd personrwl preop III W.. and evaluate It's mformabon submdted Based on my mgmry of the person or persons who manage the O L4j system, or tlhase persons daectly respmah ble for gathering the mlormatwn, the mformabon submdted c, �06 1z./04 ZL.7 to the best of my knowledge and belief, true accurate. and complete I am aware dus there are Exe C "no. pMatws fo submdbnp false mformabon, hnGudinp the poeadW ty of fine and imp sonmerd for GNATURE OF PRINCIPAL EXECUTIVE OFFICER OR 720 J °N""p"°boore, AUTHORIZED AGENT NUMBER tAN TYPED OR PRINTED naen cods COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) TSS 8 TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10YR,24HR PRECIP EVENT;SETTLEABLE SOLIDS LIMIT 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 REPRTD. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1