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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />Form Approved <br />OMB No. 2040 -0004 <br />PERMITTEE NAME/ADDRESS (Include Facility NamelLocabon if Different) <br />NAME: Oxbow Mining LLC C00000132 010 -A <br />DMR Mailing ZIP CODE: 81424 -0535 <br />ADDRESS: PO Box 535 PERMI NU ER DISCHARGE NUMBER <br />MINOR <br />Somerset, CO 81434 -0535 <br />GUNIS <br />FACILITY: SANBORN CRK & ELK CRK MINES MONITORING PERIOD <br />SEDIMENT POND TO SANBORN CREEK <br />LOCATION: 3737 HIGHWAY 133 MWDD/YYYY MM/DD/YYYY <br />External Outfall <br />SOMERSET, CO 81434 04/01/2014 04/30/2014 <br />No Discharge <br />ATTN Mike Ludlow Exec VP <br />QUANTITY OR LOADING QUALITY OR CONCENTRATION <br />PARAMETER <br />NO. FREQUENCY SAMPLE <br />VALUE VALUE UNITS VALUE VALUE VALUE <br />UNITS EX OF ANALYSIS /TYPE <br />PH SAMPLE «fff•f f., ».. <br />MEASUREMENT <br />0040010 <br />PERMIT <br />"' * ** <br />• « "" <br />'•'*" <br />Effluent Gross <br />REQUIREMENT <br />6.5 <br />MINIMUM <br />9 <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended <br />SAMPLE <br />f..ff. <br />MAXIMUM <br />MEASUREMENT <br />005301 0 <br />PERMIT <br />' *•••* <br />*•' * *• <br />'•' * *• <br />Effluent uent G Gross <br />REQUIREMENT <br />*'•• *' <br />35 <br />70 <br />mg /L <br />Monthly <br />GRAB <br />Solids, settleable <br />SAMPLE <br />* * * * ** <br />*•_ *++ <br />ff• =ff <br />«, <br />30DA AVG <br />DAILY MX <br />MEASUREMENT <br />0054510 <br />PERMIT <br />'*• *'* <br />+.f»ff <br />• +. :f» <br />Effluent Gross <br />REQUIREMENT <br />„»*•, <br />Req. Mon. <br />Req. Mon. <br />mUL <br />Monthly <br />GRAB <br />Iron, total (as Fe] <br />SAMPLE <br />•• * * ** <br />ff »•.f <br />,,,,,, <br />ff » »ff <br />30DA AVG <br />DAILY MX <br />MEASUREMENT <br />010451 0 ' *'••' ' * * * ** "•*'• <br />PERMIT <br />Effluent '•'•" 3500 7000 <br />E Gross REQUIREMENT <br />ug /L Monthly GRAB <br />30DA AVG DAILY MX <br />Oil and grease SAMPLE *• *'•» • » «..f f „ « «. <br />MEASUREMENT « :• » *. <br />0358210 PERMIT • *'• ** • *»• ». f• » „= <br />Effluent Gross REQUIREMENT 10 <br />mg /L Contingent GRAB <br />Flow, in conduit or thru treatment plat SAMPLE INST MAX <br />ff•»Rf fHff <br />MEASUREMENT = <br />fff•f• <br />500601 0 PERMIT Req. Mon. Req. Mon. MGD •••••• • * * * *• <br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX <br />f.• ='* Monthly INSTAN <br />Oil and grease visual SAMPLE *' *••» ,,,•„ <br />, «� « «� *+ * = »f <br />MEASUREMENT <br />'•"'• <br />840661 0 PERMIT "'•'• Req. Mon. Y =1;N =0 "'•~ *' *••* . »+... <br />Effluent Gross REQUIREMENT INST MAX <br />"��• Monthly VISUAL <br />NAMERITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under Penalty of law that this document and an attachments were prepared under my directon or <br />supervision m accoMance wsh a system desgned to secure the gwldisd personnel pro' gamer and <br />Mate the information subrneed Based <br />�„ <br />TELEPHONE DATE <br />on my ngwry of me person or persons who manage the 1,, - _ <br />yvx I <br />` `{ � system, or those persons directly responsible for gatherN the information the information submitted r <br />p� I the best of my is, <br />true accurate, and compiete I am aware that there are <br />and bfal <br />f <br />s es for a <br />g the 74 ��' M n _ <br />kn..riant penalties for submrttkg false mformahon, mcWWng the possaslsy of fine and imprisonment f r SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR , a U QS <br />TYPED OR PRINTED novang vrolahons <br />AUTHORIZED AGENT <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference <br />�� code NUMBER M D <br />all attachments here) <br />TSS A TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <= 10YR,24HR PRECIP EVENT;SETTLEABLE <br />EVENT <br />SOLIDS LIMIT <br />-SEE LAA RP 4-5, AND I.A.2, P. 5 FOR RQMNTS.TDS MONITORING -SEE PART VI.A.2.G OF RATIONALE. <br />MAY BE WAIVED FOR >10YR,24HR <br />30 DAY AVG. IS HIGHEST MONTHLY AVG. <br />DURING PERIOD REPRTD. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. <br />10/17/2013 Page 1 <br />