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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br /> <br />DISCHARGE MONITORING REPORT (DMR) Fonn Approved <br />OMB No. 2040.0004 <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 000000132 015-A DMR Mailing ZIP CODE: 81424-0535 <br />Somerset, CO 81424-0535 PERMIT NUMBER DISCHARGE NUMBER MINOR <br />FACILITY: SANBORN CRK & ELK CRK MINES GUNIS <br />LOCATION: 3737 HIGHWAY 133 MONITORING PERIOD DISCHARGE TO ELK CREEK <br />SOMERSET, CO 81434 MM/DD/YYYY MM/DD/YYYY External Outfali <br />ATTN: James T. Cooper, EVP FROM 04/01/2010 TO 04/30/2010 No Discharge <br />PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br /> EX OF ANALYSIS TYPE <br />VALUE VALUE UNITS VALUE VALUE <br />pH VALUE UNITS <br />SAMPLE <br />••? - <br />MEASUREMENT <br />? •»»- <br />0040010 <br />PERMIT """ ••~•• •»••• <br />...... <br />6.5 <br />Effluent Gross REQUIREMENT <br />9 <br />SU <br />MINI <br />MUM <br />Solids <br />total suspended MAXIMUM Monthly INSITU <br />, <br />SAMPLE <br />??- <br />MEASUREMENT <br />""" """ •'~•' <br />005301 0 <br />PERMIT """ •'••~ •-•»• ...... <br />Effluent Gross REQUIREMENT 35 <br />70 <br />mg/L <br />30DA AVG <br />Iron <br />total (as Fe) MX 7D AV Monthly GRAB <br />, <br />SAMPLE <br />•?"?? <br />MEASUREMENT <br />""" """ ~••' <br />04510 01 Effluent PERMIT <br />Effluent Gross <br />~•,•' •?*•?• •~•~ <br />REQUIREMENT <br />30DA AVG <br />Oil and grease DAILY MX ug/L Monthly GRAB <br />SAMPLE <br />MEASUREMENT "" """ •~•-' <br />•- ••• <br />03582 1 0 <br />...,,. •..... ....» ...,.. <br />PERMIT """ <br />Effluent Gross REQUIREMENT <br />10 <br />mg/L <br />Flow, <br />in conduit or thru treatment plant SAMPLE MAX Contingent GRAB <br />MEASUREMENT <br />'~• • ••-»• <br />.... <br />•,,,~ <br />50050 t 0 Gross PERMIT Req. Mon. R . Mon. Mgal/d *»••• ••••» <br />Effluent <br />A <br />"••" <br /> <br />REQUIREMENT 30DAAVG D <br />N Y MX •••••• <br />Oil and grease visual SAMPLE <br />•'?~ Monthly INSTAN <br />MEASUREMENT <br />•~••• •»-» ..,... ~,,, <br /> <br />84066 1 0 PERMIT Rea. Mon. v-,-u-n <br />e n , <br />"'" <br />t Moss REQUIREMENT INST MAX <br /> Weekly VISUAL <br />ME/TITLE PRINCIPAL XECUTIVE OFFICER I "" ° d° ° °'lry °r a"° ' m. do w en' ana amenmenrs w? p epa w d« my a oet on ar <br />.pmt:ion m .r Idan,. lh <br />a 1)>l.,n de ig.<d m arsw a wt q-1-d personnel y gather W a <br />cvaluatc Ih< infumwion suhminW. eased oo my nigmry of the person ur persons Ww mavage We ` ?? <br />/'? r sysecm, er show persons dircaaiv rcsporssible f gashering the infomusioq the infsawtion submitted u <br />f <br />/ o she boss <br />k <br />V TELEPHONE DATE <br />. , • <br />u <br />my <br />nowldge end behcf, we, accu a e, and wmple e. 1 am ew. a hat hoe e e signifi ant <br />C, <br />M <br />. <br />f submitting false inf rmation, including the {nssibihry of f asd impris.mmem for knowi <br />970 d 7 7 O <br />7 G <br />Ad -5(Z Z <br /> <br />ng <br />lasions <br />TYPED R PRINTED n SIGNA RE OF PRINCIP <br />.- <br />, <br />AL EXECUTI OFFICER OR <br />AUTHORIZED AGENT <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) AREA Co" NUMBER MMIDD/YYYY <br />30 DAY AVERAGE IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED. OIL & GREASE -SEE I.B.I.D. <br />EPA Form 3320-1 (Rev,01106) Previous editions may be used. <br /> Page 1