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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) Form Approved <br />u <br />DISCHARGE MONITORING REPORT (DMR) OMB No. 2040-0004 <br />PERMITTEE NAME/ADDRESS (Include FadllZyNaine/Location ifDdYemnt) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br /> Somerset, CO 81424-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br /> SOMERSET, CO 81434 <br />ATTN: James T. Cooper, EVP <br />I 000000132 009A <br />PERMIT NUMBER DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />FROM 07/01/2009 TO 07/31/2009 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />SURF RUNOFF TO N FK GUNIS RIVR <br />External Outfall X71 <br />No Discharge) x I <br /> <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />EX <br />NO. <br />?( <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />TYPE <br />PARAMETER <br /> <br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS <br />pH SAMPLE .»». ..».. ».»- _»_-• <br /> MEASUREMENT <br />0040010 PERMIT """ •f MINI6.5 <br />MUM ...,.. 9 <br />MAXIMUM SU Monthly INSITU <br />Effluent Gross REQUIREMENT <br />Solids, total suspended SAMPLE <br />MEASUREMENT •..». »..» »-». »»» <br />005301 0 PERMIT "'•" » » »•'? 30DA 35 <br />AVG 70 <br />DAILY MX mg/L Monthly GRAB <br />Effluent Gross REQUIREMENT <br /> <br />Solids, settleable SAMPLE <br /> <br />MEASUREMENT <br />»»» <br />....» <br />»»» <br />_»•» <br />0054510 PERMIT Req. Mon. <br />3oDA AvG Req. Mon. <br />DAILY Mx mLlL Monthly <br />Effluent Gross REQUIREMENT <br />Iron, total (as Fe) SAMPLE <br />MEASUREMENT ...,,. »..» •»». -»»- <br />0104510 PERMIT 3500 <br />30DA AvG 7000 <br />DAILY MX ug/L Monthly GRAB <br />Effluent Gross REQUIREMENT <br />Oil and grease SAMPLE <br />MEASUREMENT ,..» »»» ».». »••» »»» <br />0358210 PERMIT •""' """ """ ""» "••.• 10 <br />INST MAX mg/L <br />Contingent <br />GRAB <br />Effluent Gross REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br />MEASUREMENT •.»» •»»• »_•_• •»••• <br />500501 0 PERMIT Req. Mon. <br />30DA AVG Req. Mon. <br />DAILY Mx Mgal/d '•"" '_"" """ ""'• <br />Monthly <br />INSTAN <br />Effluent Gross REQUIREMENT <br />Oil and grease visual SAMPLE <br />MEASUREMENT .»... •»-» •---•• ••-- - ------ <br />84066 1 0 PERMIT Req. Mon. <br />INST MAX Y=1;N=0 ""'• """ "»" """ <br />Monthly <br />VISUAL <br />Effluent Gross REQUIREMENT <br /> <br />NAMEITITLEPRINCIPALEXECUTIVE OFFICER 1 certify under peailry of w that this domunem sad W srtachments were p mpm d under my dir lion nr <br />periyg,6rsnd <br />nedwassuredunquarredpe„annel <br />sierndesi <br />i <br />nin -rdsom ith a <br />. ?. TELEPHONE DATE <br /> W? <br />g <br />.raper <br />o <br />e <br />a <br />esm oso. the inWrmmioa submitted. Baud an eny inquiry of the person or persons manage the / • <br /> <br />sy- or thou persons directly responsible fw gmhmng the infomusm, the infornueon submmed is, <br />t asst awsrc that there uc signif t <br />and wmptae <br />krwwlcd <br />auunte <br />m the brn of m <br />c end belies true y <br />g?O qZQ-rs1Z ` 9 <br />8 R <br />?e)t . <br />, <br />y <br />g <br />, <br />p e rmsubminingra>=ewifon-nao.iaewdirtgwepossibilityoffineamimprisonmentrrlmi <br />a SIGNA EOFPRINCIPALEXECUTIVEOFFICEROR <br />REA C <br />& <br />NUMBER <br />MWDD <br />YYYY <br />TYPED OR PRINTED AUTHORIZED AGENT o <br />A / <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 EVENT-SEE I.A.1,PP 4-5, AND <br /> I.A.2, P. 5 <br />FOR RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IF HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. Page 1