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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<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. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD.
<br />Form Approved t
<br />OMB No. 2040-0004
<br />PFRN11TU t.;an,E ADDRESS ;incYudeFaci/ityName/LocationifDifferent)
<br />NAME; C%xbow 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 />000000132 007A
<br />PERMIT NUMBER DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY MM/DD/YYYY
<br />FROM 08/01/2009 TO 08/31/2009
<br />DMR Mailing ZIP CODE: 81424-0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO HUBBARD CREEK
<br />External Ouffall
<br />ATTN: James T. Cooper, EVP
<br />No Discharge
<br />
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE
<br /> EX OF ANALYSIS TYPE
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE ..,,,. ,,,.. „»„ ,,....
<br /> MEASUREMENT
<br />004001 0 PERMIT .,*....... a„«,« ...... 6.5
<br />: ..•.., . g SU
<br />Effluent Gross REQUIREMENT .
<br />MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE
<br /> MEASUREMENT
<br />0053010 PERMIT " 35 70 mg/L
<br />Effluent Gross REQUIREMENT 30DA AVG' DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br /> MEASUREMENT
<br />00545 1 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 />010451 0 PERMIT "•' * `* ' 3500 7000-_'_ ; ug/L
<br />Effluent Gross REQUIREMENT -30DA AVG DAILY MX . Monthly GRAB
<br />Oil and grease SAMPLE .«*,..
<br /> MEASUREMENT
<br />0358210 PERMIT `a,,,, 10 mgJL
<br />Effluent Gross REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE *,,,*« ,,,,,• ,, ,* • • *«
<br /> MEASUREMENT
<br />50050 1 0 PERMIT Req. Mon. Req. Mori. Mgal/d `•'•~ *• •***•*
<br />Effluent Gross REQUIREMENT 30DA.AVG DAILY MX Monthly INSTAN
<br />Oil and grease visual SAMPLE
<br /> MEASUREMENT
<br />84066 1 0 PERMIT Req. Mon. Y=1;N=0 ***•*• *** •••••* •****•
<br />Effluent Gross REQUIREMENT INST MAX Monthly VISUAL
<br />NAMEITITLE PRINCIPAL EXECUTIVE OFFICER l
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<br />upcevify .siund in er accordp..Ily nancfle w-ithIlta s •s-hadocumaat and all anachments were pmpered l rate under my dvec[io o
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<br />s[cm designed to insure that qualified personne ly gather and
<br />veluace the information submined. Basal an my inquiry or the person m pe m o, mazre
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<br />syncm. or those pcrsous directly responsible or gathering c atioq the iat don si ad is,
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<br />the best o(my knowledge and 6clief, tine, accumtc, and complete. I am aware that there are, re sign Mean,
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<br /> penalties for submining [also information, including the possibility of f e and imprisonment [or Imuwing
<br />violations
<br />SI
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<br />TYPED OR PRINTED . GNA RE OF PRINCIPAL EXECUTIVE OFFICER OR
<br />AUTHORIZED AGENT AREA Code NUMBER MMlDD/YVYY
<br />EPA f=orm 3320-1 (R-.01106) Previous editions may be used. Page 1
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