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PERMITTEE NAME /ADDRESS (Include FacilityName/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 />000000132 I 007 -A <br />PERMIT NUMBER I DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM /DD/YYYY MM /DD/YYYY <br />08/01/2014 08/31/2014 <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 />certify under penalty of law that this document and all attachments were prepared under my direction or <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER �f \ TELEPHONE DATE <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and <br />valuate the information submitted. Based on my inquiry of the person or persons who manage the f <br />V <i �,`] system, or those persons directly responsible for gathering the information, the information submitted is, (- <br />/� to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are <br />significant penalbes for submitting false information, including the possibility of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR {f / <br />TYPED OR PRINTED owing violations. AUTHORIZED AGENT AREA Code NUMBER MM /DD <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.01 /06) 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 />pHSAMPLE <br />...... <br />... *.. <br />...•.* <br />.. * *.* <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 />MEASUREMENT <br />005451 0 <br />PERMIT <br />... <br />* *` "` <br />` *` *`* <br />Req. Mon. <br />Req. Mon. <br />mL /L <br />Monthly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Iron, total [as Fe] <br />SAMPLE <br />" *•" <br />'• * «" <br />*' * * ** <br />`•`•'* <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 />Oiland grease <br />SAMPLE <br />* *` *`* <br />'•'•" <br />` * " «` <br />* * «` ** <br />* * * * ** <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 />* * * * ** <br />* * "" <br />* " «" <br />`• "•* <br />MEASUREMENT <br />500501 0 <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 />certify under penalty of law that this document and all attachments were prepared under my direction or <br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER �f \ TELEPHONE DATE <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and <br />valuate the information submitted. Based on my inquiry of the person or persons who manage the f <br />V <i �,`] system, or those persons directly responsible for gathering the information, the information submitted is, (- <br />/� to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are <br />significant penalbes for submitting false information, including the possibility of fine and imprisonment for SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR {f / <br />TYPED OR PRINTED owing violations. AUTHORIZED AGENT AREA Code NUMBER MM /DD <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.01 /06) Previous editions may be used. 10/17/2013 Page 1 <br />