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PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br />Somerset, CO 81434 -0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />ATTN: Mike Ludlow Exec VP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />C00000132 11 007 -A <br />PERMIT NUMBER I HA NUM E <br />MONITORING PERIOD <br />MM /DD/YYYY MMIDD/YYYY <br />02/01/2015 1 1 02/28/2015 <br />Form Approved <br />OMB No. 2040 -0004 <br />DMR Mailing ZIP CODE: 81424 -0535 <br />MINOR <br />GUNIS <br />SEDIMENT POND TO HUBBARD CREEK <br />External Outfall <br />No Discharge <br />NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty oflawtha t this documerd and eeattachments Nere prepared under my direction or / TELEPHONE DATE <br />supervision <br />th i formation accordance s vAN a d. Based designed q assure that person or persons v o man property gather and .� <br />ate the information submitted. Based on my Inquiry of the pereon or moos xho manage the jj•�, l _ {(T�I Y r !1 <br />Q Q system, a ttoae persona directly responsible for Bathe ft the information, the Information submitted Is, <br />Y / -' to the best of my knowledge and belief, We, accurate, and complete. I am aware that there are .���� 5 <br />vA�•C•J•t'_`* egnmcant penalties for submming false nformation, including the posaroWy of Me and Imprisonment to SIGNATURE OF RINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED <br />^oWng`iolation. AUTHORIZED AGENT AREACOda 7—f UMBER MMIDDffM <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS & 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.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />SAMPLE <br />PARAMETER <br />EX <br />OF ANALYSIS <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pH <br />SAMPLE <br />wwwwww <br />w+w+ww <br />+ww +ww <br />w+w+wr <br />MEASUREMENT <br />0040010 <br />PERMIT <br />• *"** <br />•*** *' <br />*'***• <br />6.5 <br />`"`"`" <br />9 <br />SU <br />Monthly <br />INSITU <br />Effluent Gross <br />REQUIREMENT <br />MINIMUM <br />MAXIMUM <br />Solids, total suspended <br />SAMPLE <br />* " ***' <br />•*•*** <br />'**•*" <br />'*'**• <br />MEASUREMENT <br />0053010 <br />PERMIT <br />'*""*' <br />•"***" <br />•*"`** <br />... <br />35 <br />70 <br />mg /L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Solids, settleable <br />SAMPLE <br />****•* <br />+4ww++ <br />++++w+ <br />w * :r +r <br />MEASUREMENT <br />0054510 <br />PERMIT <br />'***** <br />*'*"** <br />'** *** <br />*****' <br />Req. Mon. <br />Req. Mon. <br />mUL <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Iron, total [as Fe] <br />SAMPLE <br />MEASUREMENT <br />0104510 <br />PERMIT <br />• ***•' <br />•**'"* <br />**'"*' <br />*"*"`" <br />3500 <br />7000 <br />ug /L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease <br />SAMPLE <br />MEASUREMENT <br />0358210 <br />PERMIT <br />*•*••* <br />•*'*** <br />**"'*" <br />*"* "" <br />*•'"*` <br />10 <br />mg /L <br />Contingent <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />Flow, in conduit or thru treatment plat <br />SAMPLE <br />MEASUREMENT <br />5005010 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />MGD <br />*" *" <br />**'•"` <br />**""" <br />*""""* <br />Monthly <br />INSTAN <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Oil and grease visual <br />SAMPLE <br />" **"*" <br />****'• <br />"*"`*" <br />`* * *'• <br />"" "" <br />MEASUREMENT <br />840661 0 <br />PERMIT <br />'••*** <br />Req. Mon. <br />Y =1;N =0 <br />*" <br />'*""** <br />`*• *`* <br />""* *•' <br />Monthly <br />VISUAL <br />Effluent Gross <br />REQUIREMENT <br />INST MAX <br />NAMEMTLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty oflawtha t this documerd and eeattachments Nere prepared under my direction or / TELEPHONE DATE <br />supervision <br />th i formation accordance s vAN a d. Based designed q assure that person or persons v o man property gather and .� <br />ate the information submitted. Based on my Inquiry of the pereon or moos xho manage the jj•�, l _ {(T�I Y r !1 <br />Q Q system, a ttoae persona directly responsible for Bathe ft the information, the Information submitted Is, <br />Y / -' to the best of my knowledge and belief, We, accurate, and complete. I am aware that there are .���� 5 <br />vA�•C•J•t'_`* egnmcant penalties for submming false nformation, including the posaroWy of Me and Imprisonment to SIGNATURE OF RINCIPAL EXECUTIVE OFFICER OR <br />TYPED OR PRINTED <br />^oWng`iolation. AUTHORIZED AGENT AREACOda 7—f UMBER MMIDDffM <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />TSS & 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.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 <br />