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PERMITTEE NAME/ADDRESS ( InciudeFaalityNampAocationifDiNerent) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br />Somerset, CO 81434-0535 <br />FACILITY: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />ATTN. Mike Ludlow Exec VP <br />NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />000000132 015 -A <br />PERMIT NUMBER DISCHARGE M <br />MONITORING PERIOD <br />MM/DD/YYYY MM/DD/YYYY <br />05/01/2014 05/31/2014 <br />Form Approved <br />OMB No 2040 -0004 <br />DMR Mailing ZIP CODE: 81424 -0535 <br />MINOR <br />GUNIS <br />DISCHARGE TO ELK CREEK <br />External Outfall <br />No Discharge <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE LBA.D. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />SAMPLE <br />PARAMETER <br />EX <br />OF ANALYSIS <br />TYPE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pH <br />SAMPLE <br />•'• *_+ <br />+*• *» <br />+_ »» <br />,*.... <br />MEASUREMENT <br />0040010 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />" "'* <br />~*~• <br />• * * ~* <br />6.5 <br />MINIMUM <br />=+`+•+ <br />9 <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended <br />SAMPLE <br />•• *'•• <br />• ~ *•• <br />• * * *•• <br />•_• «• <br />MEASUREMENT <br />0053010 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />~ * * ** <br />**"`* <br />*•• *» <br />*«+« <br />35 <br />30DA AVG <br />70 <br />MX 7D AV <br />mg /L <br />Monthly <br />GRAB <br />Iron, total [as Fe] <br />SAMPLE <br />•••• *' <br />* * *••` <br />*•••+ • <br />• » «+ <br />MEASUREMENT <br />0104510 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />"'• ** <br />` ~••• <br />..= <br />'***'* <br />3000 <br />30DA AVG <br />6000 <br />DAILY MX <br />ug /L <br />Monthly <br />GRAB <br />Oil and grease <br />SAMPLE <br />• "••• <br />•••••• <br />•• * »• <br />+ »«• <br />. » + +. <br />MEASUREMENT <br />0358210 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />•• "'• <br />' *• *•• <br />• ~ ~* <br />••*'~ <br />* ~`~ <br />10 <br />INST MAX <br />mg /L <br />Contingent <br />GRAB <br />Flow, in conduit or thru treatment plat <br />SAMPLE <br />_ »+« <br />_ + «.. <br />«.... <br />+ * +. *• <br />MEASUREMENT <br />500501 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />MGD <br />' ~ *" <br />""~ <br />~ ~ *• <br />* ***•• <br />Monthly <br />INSTAN <br />Oil and grease visual <br />SAMPLE <br />• ~ ~• <br />»_.» <br />* «.» <br />+. «.. <br />. »..* <br />MEASUREMENT <br />840661 0 <br />Effluent Gross <br />PERMIT <br />REQUIREMENT <br />••`• *' <br />Req. Mon. <br />INST MAX <br />Y =1;N =0 <br />" "" <br />""~ <br />~ ~~ <br />* ~ ~* <br />Week IY <br />VISUAL <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE - SEE LBA.D. <br />EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 10/17/2013 Page 1 <br />