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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />Form Approved <br />DISCHARGE MONITORING REPORT (DMR) <br />OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (Include Facf6ty Name/Location d Different) <br />NAME: Oxbow Mining LLC C00000132 009 -A DMR Mailing ZIP CODE: 81424 -0535 <br />ADDRESS: PO Box 535 PERMIT NUMBER DISCHARGE NUMBER—] MINOR <br />Somerset, CO 81434 -0535 GUNIS <br />FACILITY: SANBORN CRK & ELK CRK MINES MONITORING PERIOD SURF RUNOFF TO N FK GUNIS RIVR <br />LOCATION: 3737 HIGHWAY 133 MWDD/YYYY MM/DD/YYYY External Ouffall <br />SOMERSET, CO 81434 04/01/2014 04130/2014 No Discharge <br />ATTN Mike Ludlow Exec VP <br />PARAMETER <br />pH <br />SAMPLE <br />QUANTITY <br />OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />EX <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />MEASUREMENT <br />0040010 <br />Effluent Gross <br />Solids, total suspended <br />PERMIT <br />REQUIREMENT <br />SAMPLE <br />*• * * *• <br />*••_ ** <br />*•• + *• <br />+__ + *+ <br />+ + +••, <br />• + +_ ++ <br />6.5 <br />MINIMUM <br />« « „•« <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />MEASUREMENT <br />0053010 <br />Effluent Gross <br />Solids, settleable <br />PERMIT <br />REQUIREMENT <br />SAMPLE <br />* * * * ** <br />• * * * ** <br />**+ * +* <br />* * + + +* <br />+ + + +•. <br />• + + : :, <br />,+. +„ <br />« « *,,, <br />35 <br />30DA AVG <br />70 <br />DAILY MX <br />mg /L <br />Monthly <br />GRAB <br />MEASUREMENT <br />0054510 <br />Iron, total [as Fe] <br />PERMIT <br />SAMPLE <br />+ * « * «« <br />«• *• ** <br />* * * * +* <br />+ * + * +* <br />*_ * « «* <br />+_+• ++ <br />* **•'+ <br />„ * „, <br />Re Mon. <br />Re Mon. <br />mUL <br />Monthly <br />GRAB <br />MEASUREMENT <br />010451 0 <br />Effluent Gross <br />Oil and grease <br />PERMIT <br />REQUIREMENT <br />SAMPLE <br />• * * "• <br />•• * * *_ <br />•'• * *• <br />* + + »_ <br />*•'• ** <br />.. + +,+ <br />* «• " <br />„ ». +. <br />3500 <br />30DA AVG <br />7000 <br />DAILY MX <br />u /L <br />g <br />Monthly <br />GRAB <br />MEASUREMENT <br />0358210 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />• *• *•* <br />+ *• + *+ <br />+. + +.. <br />+ + +.., <br />.,., +, <br />10 <br />mg /L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plat <br />SAMPLE <br />„ * *,« <br />.,,... <br />INST MAX ,• <br />MEASUREMENT <br />*�,• <br />• * *••• <br />500501 0 <br />Effluent Gross <br />Oil and grease visual <br />PERMIT <br />REQUIREMENT <br />SAMPLE <br />Req. Mon. <br />30DA AVG <br />* * *••* <br />Req. Mon. <br />DAILY MX <br />MGD <br />«•++'« <br />„ » +.. <br />*• * * ** <br />»,. +., <br />•• + + +. <br />. *.... <br />Monthly <br />tNSTAN <br />MEASUREMENT <br />«•„ *� <br />��•• «� <br />84066 1 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />”" *' <br />Req. Mon. <br />INST MAX <br />Y =1;N =0 <br />«• "*« <br />'_ « * *• <br />+• + +•- <br />++.... <br />Month ty <br />VISUAL <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I .amity under penalty of lawthat this document and all attachments were prepared under my duecbon or <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and /,'� N/) . / , TELEPHONE DATE <br />`• t, aluate the information submitted Based on my inquiry of the person or persons who manage the <br />V system, or those persons directly responsible for gathering the information the information submitted c, <br />i I .,i _ a..� -- to the best of my knowledge and belief, true accurate, and complete i am aware that there are C / <br />(/4 significant penalties for submitting false information, including the possibility of fine and imprisonment for SIGNATURE OF PRINCIPAL <br />novnng violations EXECUTIVE OFFICER OR 9 ( -Sbwb (�.S d / Zp/ <br />TYPED OR PRINTED AUTHORIZED AGENT nRFA code NUMBER L&D6rfyyf <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />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 <br />EVENT -SEE I.A.1,PP 4-5, AND I.A.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VI.A2.G OF RATIONALE. 30 DAY AVG. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. <br />10/17/2013 Page 1 <br />s <br />