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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />F <br /> <br />DISCHARGE MONITORING REPORT (DMR) orm Approved <br />OMB N <br /> <br />PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different) o. 2D40-0004 <br />NAME: Oxbow Mining LLC <br /> <br />Mining <br />O <br />x ' <br /> <br />000000132 019-A <br />ADDRESS: <br />Box <br />PO 535 <br />DMR Mailing ZIP CODE: 81424-0535 <br />Somerset, CO 81424-0535 PERMIT NUMBER DISCHARGE NUMBER <br /> MINOR <br />FACILITY: SANBORN CRK & ELK CRK MINES <br /> <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD GUNIS <br />SURFACE RUNOFF TO HUBBARD CRK <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfall <br />ATTN: James T. Cooper, EVP FROM 05/01/2010 TO 05/31/2010 No Discharge??( <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br /> EX OF ANALYSIS <br />TYPE <br />VALUE VALUE UNITS VALUE VALUE VALUE <br />pH UNITS <br />_ <br />SAMPLE •? <br />• <br />MEASUREMENT ._ """ <br />••„`• <br />0040010 <br />PERMIT """ <br />«»•• =•=a== 6 <br />Effluent Gross <br />S •«„ <br />9 <br />REQUIREMENT <br />' <br />MINIMUM SU <br />MAXIMUM <br />Solids, total suspended SAMPLE <br />? Monthly INSITU <br />MEASUREMENT <br />• » `•"" """ •»•» <br />0053010 <br />PERMIT ""•' <br />Effluent Gross <br />••?*?• •«_ •••"' 35 <br />70 <br />REQUIREMENT <br />30DA AVG MX 7D AV <br />Solids, settleable L <br />Monthly GRAB <br />SAMPLE <br />•._ <br />MEASUREMENT <br />""» °» <br />0054510 <br />PERMIT <br />Effluent Gross REQUIREMENT •»•• »•••• '„'„ Req. Mon. Req. Mon. <br />mUL <br />30DA AVG DAILY MX <br />Iron, total (as Fe) SAMPLE Monthly GRAB <br />MEASUREMENT •_? '• """ <br />0104510 <br />PERMIT """ •»•» •••»_ <br />Effluent Gross REQUIREMENT ' '••' 3000 6000 <br />ug/L <br />30DA AVG DAILY MX <br />Oil and grease SAMPLE <br />.• Monthly GRAB <br />MEASUREMENT <br />•„ """ ""» •» •» <br />0358210 PERMIT """ ••»•• •«••. ....,. <br />Effluent Gross <br />REQUIREMENT <br />T M g/ <br />m L <br />AX <br />Flow, in conduit or thru treatSAMPLE INS <br />fl <br />T Contingent GRAB <br />MEASUREMENT <br />50 1 0 <br />500 . <br />:: <br /> <br />PERMIT ReqMoR Mon. Mg al/d ••••» <br />Effluent Gross ...... <br />.*l <br />REQUIREMENT 30DA AVG DAL Y MX <br />': <br /> <br />,,,,•, <br />Oil and grease visual <br />SAMPLE Monthly INSTAN <br />MEASUREMENT •••.•. <br />•„•,• ••_'• <br />8406610 <br />••`••• •••••• <br />PERMIT R . <br /> <br />Y=t;N=O »»•• .««. „„„ <br />Effluent Gross REQUIREMENT S Mon <br />MAX <br /> <br />•« <br /> Monthly VISUAL <br />AMEfTITLE P2INCIP L EXECUTIVE OFFICER ;`emfyiodn penalty flaw Nat mi>doc mcntatd all amchrnents were prep-dander my dircctinnor <br />upervis n accordance with a s <br />- <br />st <br />d <br />i <br />4 <br />y <br />em <br />es <br />gned m =we that qualified personnel pproperly gwher end <br />131 <br />a evaluate the information m, eJ. Ba eJ an my ivquiry of thepcrwo or persons wiw manage the ' <br />rystem. w thou penuns dircn dily nfp f,, bel fee gathering the inf lion, We infomution submived is. /° <br />to the best of my knowlWge and belief, we, accurate <br />end com <br />lete <br />1 <br />? <br />t <br />eet <br />/ TELEPHONE DATE <br /> <br />, <br />p <br />. <br />t <br />am aware that drcre are signific <br />(? <br />Iziionsfw submming false inf rotation, inct <br />ing <br />the pussihilip off and impris,mmem f r ktww? g <br />a ?} p? ?a?{? <br /> <br /> <br />^ <br />/O //9 S ?(?, <br />? <br />6 <br /> <br />TYPED OR PRINTED <br />IGNATURE PRINCIPAL EXECUTIVE OFFICER OR r ?/ <br />/ Vw <br />Q 7- 7A to <br />AUTHORIZED AGENT ut?wced. NUMBER M onrrY <br />COMMENTS AND EXPLANATION OF ANY VIOLATIO <br />NS (Reference all attachments here) <br />TSS 8 TOTAL IRON LIMITS WILL BE WAIVED, AND SETTLEABLE SOLIDS LMT APPLIED FOR <=10,24HR PRECIP EVENT;SETTLEABLE SOL <br />RQMNTS.TDS MONITORING-SEE PART VLA <br />2 <br />G OF R <br />D <br /> <br />, <br />. <br />I <br />ATIONALE. 30 DAY AVG IS HIGHEST MONTHLY AVG DURING REPORTING PERIOD. <br />S LIMIT MAY BE WAIVED FOR >10YR.24HR EVENT-SEE I.A.1,PP 4-5, AND I.A.2, P 5 FOR <br />EPA Form 3320.1 (Rev.01106) Previous editions may be used. <br /> Papa 1