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PARAMETER <br />I ceniry under penalty or law that this document and all attachments were prepared under my direction or <br />supervssionin accordance witha system designdtoassurcNssquxhfidpersonnelproperlygatherand <br />- 'It <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />OF ANALYSIS <br />SAMPLE <br />VALUE <br />VALUE <br />UNITS <br />VALUE <br />VALUE <br />VALUE <br />UNITS <br />pH <br />00400 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />...... <br />..,,.. <br />... ». <br />....» <br />PERMIT <br />REQUIREMENT <br />""" <br />" "" <br />6.5 <br />MINIMUM <br />'••••• <br />9 <br />MAXIMUM <br />SU <br />Monthly <br />INSITU <br />Solids, total suspended <br />00530 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />...,.. <br />..,.., <br />a.a... <br />–.— <br />PERMIT <br />REQUIREMENT <br />35 <br />30DA AVG <br />70 <br />DAILY MX <br />mg/L <br />Monthly <br />GRAB <br />S olids, settleable <br />00545 1 0 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />..•... <br />.,.•.. <br />...... <br />PERMIT <br />REQUIREMENT <br />""" <br />-- <br />""" <br />Req. Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />mLJL <br />Monthly <br />GRAB <br />Iron, total (as Fe) <br />01045 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />.•...• <br />... „. <br />.. – <br />PERMIT <br />REQUIREMENT <br />” "" <br />""" <br />"'•" <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 />a•• „, <br />• „,•a <br />„.... <br />., „•. <br />.a.,„ <br />PERMIT <br />REQUIREMENT <br />10 <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 />. „... <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />Mgal/d <br />'••'•• <br />"'•'• <br />'~•'• <br />Monthly <br />1NSTAN <br />Oil and grease visual <br />84066 1 0 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />... <br />....» <br />... ». <br />...... <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />INST MAX <br />Y =1;N =0 <br />•” "` <br />•'• "• <br />'• "•• <br />"••'• <br />Monthly <br />VISUAL <br />MEITITLE PRINCIPAL EXECUTIVE OFFICER <br />I ceniry under penalty or law that this document and all attachments were prepared under my direction or <br />supervssionin accordance witha system designdtoassurcNssquxhfidpersonnelproperlygatherand <br />- 'It <br />�}+�' <br />l ♦ 1 , <br />– `► •— <br />TELEPHONE <br />DATE <br />68./02. 1 x.011 <br />M DD/YYYY <br />r .-- -' <br />�. ` ,� , _ ` <br />I i th f b <br />B sell _ my iry f the person or persons who manage the ytem, or <br />ss Nose persons directly responsible for gathering the information, the information submitted is. <br />to the best or ub knowledge and b mati true, accurate, and complete. i am aware dirt there are srgmfican <br />p rnahoa submitting false mremrau.m, including the possibility of r a and imprisonment r r lmnw, <br />9715 -1Z — 0C <br />' <br />IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AUTHORIZED AGENT <br />AREA Code ' NUMBER <br />TYPED OR PRINTED <br />NAME: Oxbow Mining LLC <br />ADDRESS: PO Box 535 <br />Somerset, CO 81434 -0535 <br />SANBORN CRK & ELK CRK MINES <br />3737 HIGHWAY 133 <br />SOMERSET, CO 81434 <br />PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) <br />FACILITY: <br />LOCATION: <br />ATTN: James T. Cooper, EVP <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 />007 -A <br />DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM /DD/YYYY <br />07/01/2011 <br />MM /DD/YYYY <br />07/31/2011 <br />TO <br />Form Approved <br />OMB No. 2040 -0004 <br />DMR Mailing ZIP CODE: 81424 -0535 <br />MINOR <br />GUMS <br />SEDIMENT POND TO HUBBARD CREEK <br />Extemal Ouffall <br />No Discharge <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 IA.1,PP 4-5, AND LA.2, P. 5 <br />FOR RQMNTS.TOS MONITORING -SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY AVG. DURING PERIOD REPRTD. <br />Page 1 <br />