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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
<br />DISCHARGE MONITORING REPORT (DMR)
<br />PERM ITTEE 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 012-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 />SEDIMENT POND TO ELK CREEK
<br />External Outfall
<br />No Discharge IZI
<br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION . FREQUENCY SAMPLE
<br /> EX OF ANALYSIS
<br />
<br /> VALUE VALUE UNITS VALUE VALUE VALUE UNITS
<br />pH SAMPLE
<br /> MEASUREMENT
<br />00400
<br />0
<br />1
<br />Effluent Gross PERMIT """ """ •"•• 6.5 "•••• g
<br />SU
<br /> REQUIREMENT MINIMUM MAXIMUM Monthly INSITU
<br />Solids, total suspended SAMPLE ,,,,,,
<br /> MEASUREMENT
<br />00530
<br />10
<br />Effluent Gross PERMIT ,."•• ,,,,., 35 70 mg/L
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Solids, settleable SAMPLE
<br />
<br />MEASUREMENT _
<br />005
<br />451 0
<br />Effluent Gross PERMIT .,,... .,,"• '•,,., •""• Req. Mon. Req. Mon. mUL
<br /> REQUIREMENT 30DA AVG DAILY MX Monthly GRAB
<br />Iron, total (as Fe) SAMPLE ,,,, "
<br />
<br />MEASUREMENT
<br />"" _
<br />0
<br />0
<br />1
<br />4510
<br />Effluent Gross PERMIT """ "•"' """ •"•" 3000 6000 ug/L
<br /> REQUIREMENT 300A AVG DAILY MX Monthly GRAB
<br />Oil and grease SAMPLE ,,,,,.
<br /> MEASUREMENT
<br />03582
<br />0
<br />1
<br />Effluent Gross PERMIT ",,.. """ ..,,,. •••'•' ,....• 10 mg/L
<br /> REQUIREMENT INST MAX Contingent GRAB
<br />Flow, in conduit or thru treatment plant SAMPLE
<br />
<br />MEASUREMENT
<br />,...,, ..,... .,» .,,,..
<br />
<br />500501 0 PERMIT Req. Mon. Req. Mon. MgaUd "'•'• ,...., ••••.. , ,.,.
<br />Effluent Gross REQUIREMENT 30DA AVG DAILY MX Monthly INSTAN
<br />Solids, total dissolved SAMPLE ,.,,,,
<br /> MEASUREMENT
<br />702
<br />95 1 0
<br />Effluent Gross PERMIT """ """ """ '••`•' Req. Mon. Req. Mon. mg/L
<br /> REQUIREMENT QRTR AVG DAILY MX Quarterly GRAB
<br />N MEITITLE PRINCIPAL EXECUTIVE OFFICER lopi undn nlryoflawtlutWisJwunemadallanechmrnrsrrercPrcpmcd..&,toydimtionm TELEPHONE DATE
<br />servuron in nccurshm« with a systan designed to assure that qw fiat personnel pruperly gather and
<br />-.1- the in(onnsiun submmeJ Based on my niyuiry of the person or Pawns whu -ge the
<br />• _ . sysum, or those persons directly n:sponsible for gathering Ne inf 7v
<br />um,ation. the info nts Lion submined is. i
<br />the best of my Anuwlcrige :md babel we, accurato, and numpkte. 1 mn .- that there arc significam 7/O / !O
<br />ll? ` • rP S/ pcnalti,.s fur subm,uutg false inlnrmeuun, indudmg th<pussibibry of C and impnurmnem for Imuwing ' y 4 7 4
<br />"°aenm. SIGNAT E OF PRINCIPAL EXEC TIV OFFICER OR
<br />TYPED OR PRINTED AUTHORIZED AGENT AREA Code NUMBER MM/OD/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 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.
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