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PERM ITTEE 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 />000000132 007 -A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM /DD/YYYY MM /DD /YYYY <br />09/01/2014 09/30/2014 <br />DMR Mailing ZIP CODE <br />MINOR <br />Form Approved <br />OMB No. 2040 -0004 <br />81424 -0535 <br />GUNIS <br />SEDIMENT POND TO HUBBARD CREEK <br />External Outfall <br />No Discharge <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and /J <br />valuate the information submitted. Based on my inquiry of the person or persons who manage the r, ,. I // �, ' L <br />system, or those persons directly responsible for gathering the information, the information submitted 5, '1' ✓/ N '7 Q <br />to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are 9/ (J' /� —J (V Q f Zi�i <br />r- ( significant penaRles for submitting false information, including the possibility of fine and imprisonment for IGNATURE OF RINCIPAL EXECUTIVE OFFICER OR - <br />knowing violations. AUTHORIZED AGENT <br />TYPED OR PRINTED AREA Code NUMBER MMIDD /YYYY <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 />004001 0 <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 />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 />*` * * ** <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 />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 />500501 0 <br />PERMIT <br />Req. Mon. <br />Req. Mon. <br />MGD <br />* * *' ** <br />* *` »" <br />*' » *" <br />Monthly <br />INSTAN <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />Solids, total dissolved <br />SAMPLE <br />MEASUREMENT <br />702951 0 <br />PERMIT <br />* * « * "* <br />*' * * ** <br />* *' * ** <br />* " * "* <br />Req. Mon. <br />Req. Mon. <br />mg /L <br />Quarterly <br />GRAB <br />Effluent Gross <br />REQUIREMENT <br />30DA AVG <br />DAILY MX <br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER 1 certify under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE <br />supervision in accordance with a system designed to assure that qualified personnel properly gather and /J <br />valuate the information submitted. Based on my inquiry of the person or persons who manage the r, ,. I // �, ' L <br />system, or those persons directly responsible for gathering the information, the information submitted 5, '1' ✓/ N '7 Q <br />to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are 9/ (J' /� —J (V Q f Zi�i <br />r- ( significant penaRles for submitting false information, including the possibility of fine and imprisonment for IGNATURE OF RINCIPAL EXECUTIVE OFFICER OR - <br />knowing violations. AUTHORIZED AGENT <br />TYPED OR PRINTED AREA Code NUMBER MMIDD /YYYY <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 />