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PARAMETER
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<br />QUANTITY OR LOADING
<br />QUALITY OR CONCENTRATION
<br />NO.
<br />EX
<br />O ANALYSIS
<br />SAMPLE
<br />TYPE
<br />VALUE
<br />VALUE
<br />UNITS
<br />VALUE
<br />VALUE
<br />VALUE
<br />UNITS
<br />pH
<br />00400 1 0
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />PERMIT
<br />REQUIREMENT
<br />6 5
<br />MINIMUM
<br />9
<br />MAXIMUM
<br />SU
<br />Monthly
<br />INSITU
<br />Solids, total suspended
<br />0053010
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />PERMIT
<br />REQUIREMENT
<br />35
<br />30DA AVG
<br />70
<br />DAILY MX
<br />mg/L
<br />Monthly
<br />GRAB
<br />Solids, settleable
<br />00545 1 0
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />PERMIT
<br />REQUIREMENT
<br />Req. Mon
<br />30DA AVG
<br />Req. Mon.
<br />DAILY MX
<br />mUL
<br />Monthly
<br />GRAB
<br />Iron, total (as Fe)
<br />01045
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />PERMIT
<br />REQUIREMENT
<br />3500
<br />30DA AVG
<br />7000
<br />DAILY MX
<br />ug /L
<br />Monthly
<br />GRAB
<br />Oil and grease
<br />03582 1 0
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />REQUIREMENT
<br />• •••••
<br />INST MAX
<br />mg/L
<br />Contingent
<br />GRAB
<br />Flow, in conduit or thru treatment plant
<br />50050 1 0
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />••••••
<br />PERMIT
<br />REQUIREMENT
<br />Req. Mon.
<br />30DA AVG
<br />Req. Mon.
<br />DAILY MX
<br />Mgal/d
<br />••• ~•
<br />Monthly
<br />INSTAN
<br />Oil and grease visual
<br />84066 1 0
<br />Effluent Gross
<br />SAMPLE
<br />MEASUREMENT
<br />PERMIT
<br />REQUIREMENT
<br />Req. Mon.
<br />INST MAX
<br />Y =1,N =0
<br />Monthly
<br />VISUAL
<br />NAME/TITLE PRINCIPAL EXECUTIVE OFFICER
<br />- '—
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<br />I t• t t t t d , It . y ry i m pc p, h n, g h
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<br />H `� C
<br />1
<br />TELEPHONE
<br />DATE
<br />r^ s �f
<br />///���
<br />x cc. I/. (/'t /41.0,401.
<br />p 2O-.9&-,5-72-2...
<br />aS 0.2../zui z _
<br />MM/I3 YY
<br />p o w ad fine and ,mpr,.� w: G',, t7
<br />, IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR
<br />AUTHORIZED AGENT
<br />TYPED OR PRINTED
<br />AREA C NUMBER
<br />PERMITTEE NAME /ADDRESS (Include Facility Name /Location if Different)
<br />NAME: Oxbow Mining LLC
<br />ADDRESS: PO Box 535
<br />Somerset, CO 81434 -0535
<br />FACILITY:
<br />LOCATION
<br />SANBORN CRK & ELK CRK MINES
<br />3737 HIGHWAY 133
<br />SOMERSET, CO 81434
<br />ATTN James T Cooper, EVP
<br />eterence all attachments here
<br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used.
<br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />FROM
<br />C00000132
<br />PERMIT NUMBER
<br />010 -A
<br />DISCHARGE NUMBER
<br />MONITORING PERIOD
<br />MM/DD/YYYY
<br />04/01/2012
<br />MM /DD /YYYY
<br />04/30/2012
<br />TO
<br />Form Approved
<br />OMB No. 2040-0004
<br />DMR Mailing ZIP CODE: 81424 -0535
<br />MINOR
<br />GUNIS
<br />SEDIMENT POND TO SANBORN CREEK
<br />External Outfall
<br />No Discharge
<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 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 />11/09/2011 Page 1
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