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PARAMETER <br />” . ° p ;; " ,; irLC ax rha. th, ...lent end all tttachmente a or. prepartd m,d, nn a a u In ,r <br />er., „„ nh a .,.ten dosIg ec to a,uic !net qu..nlied personnel props I> ta;he an <br />v ,.,r et. w m t.� awd ,� u,gwry ,.rrwm t pent ..h.. aws m. <br />` > . or thmc t pent,. d ually n�ptm, bic n f th e me m r the mt omteno >ubmm,d is <br />W the t■e. 0( 1,, :noxledge and orbef we ac umte and u,mplete I a, aware the :here arc ,gr,ti- t <br />f,,.,, 1.. „g ■al„ Inlortu ,,,m In.ltdmg p,,,■d ■■ rim and nm;r,sown. E.' k ` •,z <br />QUANTITY OR LOADING <br />QUALITY OR CONCENTRATION <br />NO. <br />FREQUENCY <br />OF ANALYSIS <br />SAM <br />PE E <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 />7 • 3�- <br />7 • 3z- <br />5 l <br />O <br />30 <br />/NS /h/ <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 />7 <br />> <br />M 5/ 1 <br />0 <br />30 <br />//��� <br />(rata <br />PERMIT <br />REQUIREMENT <br />" "" <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 /><' O ..I <br /><a.I <br />f /� <br />41 <br />d <br />'/30 <br />114 / <br />PERMIT <br />REQUIREMENT <br />Req Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />mL/L <br />Monthly <br />GRAB <br />Iron, total (as Fe) <br />01045 1 0 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />.„.., <br />`/d <br />y° a <br />Q <br />111 Y <br />l� <br />h 30 <br />�G6 <br />PERMIT <br />REQUIREMENT <br />3000 <br />30DA AVG <br />6000 <br />DAILY MX <br />�7 L <br />Monthly <br />GRAB <br />Oil and grease <br />0358210 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />U <br />/ /I <br />mn51 <br />0 <br />1 <br />C <br />Gkj <br />PERMIT <br />REQUIREMENT <br />10 <br />INST MAX <br />mg/L <br />U <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 />� 1 <br />• i 7 14 <br />(� <br />��tY (/ <br />Q <br />I /3 <br />.L✓1`7�i9 <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />30DA AVG <br />Req. Mon. <br />DAILY MX <br />MgaUd <br />Monthly <br />INSTAN <br />Oil and grease visual <br />84066 1 0 <br />Effluent Gross <br />SAMPLE <br />MEASUREMENT <br />„ „„ <br />V <br />,,,„ <br />0 <br />1 5() <br />Ostia_ <br />PERMIT <br />REQUIREMENT <br />Req. Mon. <br />INST MAX <br />Y =1,N =0 <br />Monthly <br />VISUAL <br />AME/TI i LE INC • AL EXECUTIVE OFFICER <br />” . ° p ;; " ,; irLC ax rha. th, ...lent end all tttachmente a or. prepartd m,d, nn a a u In ,r <br />er., „„ nh a .,.ten dosIg ec to a,uic !net qu..nlied personnel props I> ta;he an <br />v ,.,r et. w m t.� awd ,� u,gwry ,.rrwm t pent ..h.. aws m. <br />` > . or thmc t pent,. d ually n�ptm, bic n f th e me m r the mt omteno >ubmm,d is <br />W the t■e. 0( 1,, :noxledge and orbef we ac umte and u,mplete I a, aware the :here arc ,gr,ti- t <br />f,,.,, 1.. „g ■al„ Inlortu ,,,m In.ltdmg p,,,■d ■■ rim and nm;r,sown. E.' k ` •,z <br />�� y_ ,,,� <br />a� � �1,.� J //� <br />(.tN t„�, 1 .0 r ' t / <br />TELEPHONE <br />DATE <br />i '" . • ► <br />( <br />� e ^ +- <br />-- l t r <br />G 'T,' 4 l de <br />?7 „ b Z l - (/ "L <br />( f" J � . / <br />Eyff �/� <br />GNATURE OF PRINCIPAL EXECUTIVE OFFICER OR <br />AUTHORIZED AGENT <br />AREA cod. ( NUMBER <br />MM/DO/YYYY <br />TYPED OR PRINTED <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: SANBORN CRK & ELK CRK MINES <br />LOCATION: 3737 HIGHWAY 133 <br />SOMERSET CO 81434 <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 />012 -A <br />DISCHARGE NUMBER <br />MONITORING PERIOD <br />MM /DDIYYYY <br />05/01/2012 <br />MM /DD/YYYY <br />05/31/2012 <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 ELK CREEK <br />External Outfall <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 I.A.1,PP 4 -5, AND IA.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 <br />