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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) <br />DISCHARGE MONITORING REPORT (DMR) <br />f. - <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 />PARAMETER QUANTITY OR LOADING <br /> VALUE VALUE UNITS <br />pH SAMPLE <br /> MEASUREMENT <br />00400 1 0 <br /> <br />Gross PERMIT --- <br /> REQUIREMENT <br />REQUIREMENT <br />Solids, total suspended SAMPLE <br /> MEASUREMENT <br />00530 1 0 <br /> <br />Effluent Gross PERMIT ... ...... <br /> REQUIREMENT <br />Solids, settleable SAMPLE <br /> MEASUREMENT <br />0054510 <br /> <br />Effluent Gross PERMIT <br /> REQUIREMENT <br />Iron, total (as Fe) SAMPLE <br /> MEASUREMENT <br />0104510 <br /> <br />Effluent Gross PERMIT <br />.. <br />.,.»? <br /> REQUIREMENT <br />Oil and grease SAMPLE <br /> MEASUREMENT <br />0358210 <br /> <br />Effluent Gross PERMIT ' <br /> REQUIREMENT <br />Flow, in conduit or thru treatment plant SAMPLE <br /> MEASUREMENT <br />500501 0 <br /> <br />Effluent Gross PERMIT Req. Mon. Req. Mon. M al/d <br />g <br /> REQUIREMENT 30DA AVG DY MX <br />Oil and grease visual SAMPLE <br /> MEASUREMENT <br />84066 1 0 <br /> <br />Effluent Gross PERMIT Req. Mo.- Y=1;N=0 <br /> REQUIREMENT INST MAX <br />VALUE VALUE VALUE UNITS <br />9 SU <br />MINIMUM MAXIMUM Monthly INSITU <br />...... 35 70 mg/L <br />30DA AVG DAILY MX Monthly GRAB <br />Monthly GRAB <br /> DA AVG <br />30 DAILY MX ug'L <br />Monthly <br />GRAB <br /> t <br /> <br /> INST MAX Contingent GRAB <br /> <br /> <br /> Monthly INSTAN <br /> <br /> <br /> Monthly VISUAL <br />{ NAMEITITLE PRINCIPAL EXECUTIVE OFFICER t`rrntynnaeP-hy flasvthath dm ?vta?--rsw-P pazedmsdermyd?rdannr <br />q-'--mf=ld ewtb rynrn,dr,pd.--muyvaurrd <br />sub ned Basedan my Pr annrip a1yg„nthr,d TELEPHONE DATE <br />valuate she iuformanm a_in ofthe Person or persons who m.n.ge <br />aynem, or Of ypersons duecdy resyanabk for r{athering Wr complete nov, ehr mtmvuuan subsmtrrC ts ,- <br />a the bst Of my knowledse and hcl f true, accunu, and complete f am evert thu there .re strn?fcm;n .fl_sl ?O (y? <br />-d im1h. d mcm fr knw; I - .,,/ <br />P-W- f. -b-14.9 f-6c mfotmatj indu 4 theposvbdiy of fine 9 '- 7 1 ?• oL <br />TYPED OR PRINTED n SIGNA RE OF PRINCIPAL EXECUTI E OFFICER OR <br />COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) AUTHORIZED AGENT AnEw cads NUMBER MWDD/YYYY <br />TSS 8 TOTAL IRON LIMITS WILL BE <br />WANED AND SETTLEABLE _ <br />LE SOLIDS LMT APP <_ <br />F LIED FOR <br />OR RQMNTS.TDS MONITORING-SEE PART VI.A.2.G OF RATIONALE. 30 DAY AVG. IS HIGHEST MONTHLY VG.IDURING PERIOD R pRTpLIDS LIMIT MAY BE WAIVED FOR >10YR,24HR EVENT-SEE IA1,PP 45, AND I A 2, <br /> P. 5 <br />EPA Form 3320-1 (Rev.01106) Previous editions may be used. <br />Papa 1 <br />000000132 014-A <br />PERMIT NUMBER DISCHARGE NUMBER <br />Form Approved <br />OMB No. 2040.0004 <br />DMR Mailing ZIP CODE: 81424-0535 <br />MINOR <br />GUNIS <br />MONITORING PERIOD SURF RUNOFF TO N FK GUNNISON R <br />MM/DD/YYYY MM/DD/YYYY External Ouffall <br />FROM 05/01/2011 TO 05/31/2011 No Discharge <br />ANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE <br />EX OF ANALYSIS TYPE