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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different)
<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 />000000132 013-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 06/01/2010 TO 06/30/2010
<br />Form Approved
<br />OMB No. 2040.0004
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />RUNOFF TO N FORK GUNNISON R.
<br />External Outfall
<br />No Discharge) X 1
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION O. FR
<br />EQUENCY SAMPLE
<br /> E OF ANALYSIS TYPE
<br />
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br />
<br /> MEASUREMENT
<br />0040010
<br />
<br />Effluent Gross PERMIT
<br />REQUIREMENT „"" ,•`"' 6.5
<br />MINIMUM ,,,,,, 9
<br />MAXIMUM SU
<br />Monthly
<br />INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT
<br />00
<br />
<br />Effluent uent Gross PERMIT """ """ "••'• ,,,•••
<br />35
<br />70
<br />mg/L
<br /> REQUIREMENT 30DA
<br />AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br /> MEASUREMENT
<br />00545 1 0 """ •""'
<br />
<br />Effluent Gross PERMIT """ ...... Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE
<br /> MEASUREMENT
<br />0104510
<br />
<br />Effluent Gross PERMIT '""' ,,,,, ,,,,••
<br />DA
<br />ug/L
<br /> REQUIREMENT 30
<br />AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br /> MEASUREMENT
<br />03
<br /> PERMIT """ """ •'••' ,,,,,, ••••••
<br />Effluent uent Gross REQUIREMENT INST 10 MAX mg/L Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br /> MEASUREMENT "„" ,,,,,, `•••~ •?•-•
<br />500
<br />501 0
<br />Effluent Gross PERMIT
<br />REQUIREMENT Req. Mon.
<br />30DA AVG Req. Mon.
<br />DAILY MX Mgal/d '•'•„ ,,,,,, ..•...
<br />•?•'?•
<br /> Monthly INSTAN
<br />Solids, total dissolved SAMPLE
<br /> MEASUREMENT
<br />702951 0
<br />
<br />Effluent Gross PERMIT
<br />REQUIREMENT """ "" """ "' '• Req. Mon.
<br />QRTR AVG Req. Mon.
<br />L
<br /> DAILY MX Quarterly GRAB
<br />N ME/TITLEPRINC ALE(ECUTIVEOFFICER "^°`rP-1 "Till 't""°«"n><nta^°n°-hme'ns`°ereP.pa a ^ar^rye ti"^"
<br />li w m a yaem deigned m aaa"fe ha ya,urea ar,nnn<i PrnPe y gmhcr and TELEPHONE DATE
<br />eveluatc the in4rmtinn submiii-J. daxJ un my myuiry ufihe P- "r Perron who metuge the ,.
<br />>yxcm r thou peno - directly r.>punsible for Bath g the i^tDrmauun, the infumutiun
<br />aware subm is. /J ?0
<br />w tM bc?t of my knuwlNge and belief, wc. uccwwe, and complnc. I nm that ther<are ,i '(cant 7 7
<br />?. . r-e5 Penlainumfor submnting fala inlormmion, including the pussibdiryoffine and imprisrwneatf rkmtwin6
<br />TYPED OR PRINTED " SIGNA E OF PRINCIPAL EXECUTI OFFICER OR
<br />AUTHORIZED AGENT NUMBER MM/DD/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 EVENT-SEE IA.1,PP 4-5, AND
<br /> IA.2, P. 5
<br />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.01106) Previous editions may be used.
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