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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 014-A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 05/01/2010 TO 05/31/2010
<br />Form Approved
<br />OMB No. 2040-6004
<br />I
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SURF RUNOFF TO N FK GUNNISON R
<br />External Outfall
<br />No Discharge
<br />
<br />
<br />
<br />ARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION E
<br />
<br />X
<br />NO.
<br />EX
<br />
<br />FREQUENCY
<br />OF ANALYSIS
<br />
<br />SAMPLE
<br />TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE .,....
<br /> MEASUREMENT
<br />0040010 PERMIT ",.,, 6.5 ••••.. 9 SU
<br />Effluent Gross REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE ,,,,.,
<br /> MEASUREMENT
<br />0053010 PERMIT »,» ....
<br />•f ..,.. ..,, 35 70
<br />mgt
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br /> MEASUREMENT
<br />005451 0 PERMIT '...,' "»" ""•' '+"" Req. Mon. Req. Mon, mUL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE .»», »,,.,
<br /> MEASUREMENT
<br />01045 1 0 PERMIT . "" """' """ ""•' 3000 6000 uglL
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE
<br /> MEASUREMENT
<br />0358210 PERMIT »..,. ..„., .„„. ,„.„ ...... T M m9/L
<br />Effluent Gross REQUIREMENT INS
<br />AX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />......
<br />
<br />MEASUREMENT J
<br />50050 1 Q PER ??Ir Rr_n. Mnn, Ren_ Mnn_ Mnalrri '+•••• •"••• •••••• •••*•+
<br />Effluent Gross REQUIREMENT 30dA AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE »»„
<br />?????
<br />???
<br /> MEASUREMENT
<br />84066 1 0 PERMIT Req. Mon. Y=1;N=0 '•'•" "'•" •••"• •'••••
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
<br />
<br />MElTITLE NCtP L EXECUTIVE OFFICER I cenify undo. penalty of law rha, chi, document and all anachmenrs wen: prearepd under my dirau- or
<br />cewdha dcsi dwa:+me h.r lfed I me.w
<br />supervis,on in -,d- gne qua i i persanne y ga
<br />l
<br />TELEPHONE
<br />DATE
<br />
<br />
<br />C evaluate the mformesiun ,ubmi.
<br />Based on my q ."y of,he person or person wha mavage the
<br />ysun or hue p,- diremly responsible fm gau, ring die iofarmaum the inf.-ion s lead is,
<br />m the best of my knowle
<br />d and behef, we. accunse, and complae- f am swore our ,here are signific
<br />t ` G J
<br />S0
<br />9 J V
<br />
<br />O ?j 0 =. ?..? ?Q
<br />??
<br />C f
<br />or submming false infumwriun, inclwlmg the possibility off and imprisomnem f r mnw:
<br />p
<br />. 1...nsf
<br />n IGNATURE OF P NCIPAL EXECUTIVE OFFICER OR
<br />/
<br />TYPE OR PRINTED AUTHORIZED AGENT AREA cud. NUMBER MWDdYYYY
<br />GOMMENT5 AND EXPLANATION OF ANY VIOLATION5 (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. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD.
<br />EPA Form 3320.1 (Rev.01106) Previous editions may be used. Page 1
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