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DMR Copy of Record <br />Permit <br />Permit #: <br />C00045161 <br />Permittee: <br />Colowyo Coal Co LP <br />Facility: <br />COLOWYO MINE <br />Major: <br />No <br />Permittee Address: <br />PO Box 33695 <br />Facility Location: <br />I <br />5731 SOUTH HIGHWAY 13 <br />Denver, CO 80233 -0695 <br />MEEKER, CO 81641 <br />Permitted Feature: <br />002 <br />Discharge: <br />002 -A <br />External Outfall <br />WORK AREA POND TO TAYLOR CREEK <br />Report Dates 8 Status <br />Monitoring Period: <br />From 01/01/15 to 03/31/15 <br />I DMR Due Date: <br />04128115 <br />( Status: <br />NetDMR Validated <br />Considerations for Form Completion <br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF <=1 GYR,24HR PRECIP EVENT IS CLAIMED. <br />IF CLAIM APPROVED BY WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO REPORTED MEASUREMENTS <br />- SEE I.A.2, PG. 3 FOR BURDEN <br />OF PROOFREQUIREMENTS. OIL b GREASE <br />- 1.6.1.B, <br />PG, S. BTEX MONITORING READ ONLY IF WASHBAY DSCH TO WRK AREA POND <br />Principal Executive Officer <br />Title: <br />SVP, Policy and Compliance, CCO <br />I Telephone: <br />303 -452 -6111 <br />First Name: <br />Barbara <br />Last Name: <br />Walz <br />No Data Indicator (NODI) <br />Form NODI: <br />— <br />Parameter <br />Monitonng Season P—m. <br />Quantityor L -ding <br />Qualityor Concentration <br />#of Freq...cy.(Analysis <br />Sample <br />Code Name <br />Location # NODI <br />Qualifier <br />Value 1 Qualifier <br />Value 2 units Qualifier Value 1 Qualifier <br />Value 2 <br />Qualifier Value 3 <br />Units Ex. <br />Type <br />2 <br />2 <br />3 <br />Sample <br />= 841 <br />= 868 <br />12 -SU 01/07- Weekly <br />IS - INSITU <br />Pit <br />erm <br />'= <br /><= 9MAXIMUM <br />12 -SU 01130- Monthly <br />IS - INSITU <br />00400pH <br />1 - Efluent Gross 0 - <br />Req. <br />Value <br />MINIMUM <br />0 <br />NOD] <br />Sample <br />= <br />8 <br />= 8 <br />19 /L 01/30- Monthly <br />mg <br />GR - GRAB <br />00530 $dItl#, total suspended <br />1 - Eflluenl Gross 0 -- <br />Permit <br /><- <br />35 30DA AVG <br />c 70 DAILY MX <br />19 0 01/30- Monthly <br />mg /L <br />GR - GRAB <br />Req <br />Value <br />NODI <br />Sample <br />< <br />0.2 <br />< 0.2 <br />2UL 01/30- Monthly <br />GR -GRAB <br />005455d1ds, settleable <br />1 - Effluent Gross 0 - <br />Permit <br />Req Mon 30DA AVG <br />Re Mon DAILY MX <br />9 <br />25 L 0 01130 - Monthly <br />m <br />GR -GRAB <br />Req <br />Value <br />NODI <br />Sample <br />= <br />027 <br />027 <br />rrg L 01/30 - Monthly <br />GR - GRAB <br />DW80I total <br />1 - Effluent Gross 0 -- <br />PRremgtt <br /><= <br />1 30DA AVG <br />Req Mon DAILY MX <br />mg'L 0 01/30 - Monthly <br />GR - GRAB <br />—, recoverable <br />Value <br />NODI <br />Sample <br />Permit <br /><= 101NST MAX <br />111 77/77- Contingent <br />GR - GRAB <br />03582 Oil and grease <br />1 - ERluenl Gross 0 -- <br />Req. <br />Value <br />9- Conditional Monitoring - Not Required <br />This <br />NODI <br />Penod <br />Sample <br />Permit <br />Req Mon AVERAGE <br /><_ 11N5T MAX <br />19- 0I /DM -Once Per Monthly <br />GR -GRAB <br />303B38enzene, ethylbanzene, toluene, xNene <br />1 - Effluent Gross 0 - <br />Req. <br />mg /L Discharge <br />combination <br />Value <br />9- Conditional MOnitanrg - Not Repuiretl <br />this 9- Conditional MOnit.nng - Not Required <br />This <br />NODI <br />Penod <br />Penod <br />Sample = <br />0 = <br />0.013 03 -MGD <br />01107-Weekly <br />y <br />I <br />IN NSTAN <br />Permit <br />Rap Mon 30DA <br />Rep Mon DAILY <br />03 MGD <br />0 01130 - Monthly <br />IN - <br />50n50Flow, in con,lu,t or Ihm un—I It plant <br />1 - Effluent Gross 0 - <br />Req. <br />AVG <br />- <br />MX <br />INSTAN <br />Value <br />NODI <br />Sample <br />= <br />3030 <br />= 3030 <br />199--L 01/30- Monthly <br />GR - GRAB <br />70295Solids, total dissolved <br />1 - Effluent Gross 0 _ <br />Permit <br />Req Mon 30DA AVG <br />Req Mon DAILY MX <br />1L 0 01/90 - Quad dy <br />GR - GRAB <br />Req. <br />Value <br />NODI <br />Sample <br />= <br />0 9F <br />01/07- Weakly <br />VI- VISUAL <br />Y =1;N =0 <br />Permit <br />R" Mon INST 9P- <br />0 01130- Monthly <br />VI- VISUAL <br />84066 Oil antl grease visual <br />1- EMuent Gross 0 _ <br />Req. <br />MAX Y =1;N =0 <br />Value <br />NOD/ <br />