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DMR Copy of Record <br />Permit <br />Permit ft: <br />C00045161I <br />Permittee: <br />Colowyo Coal Co LP <br />Facility: <br />COLOWYO MINE <br />Major: <br />No <br />Permittee Address: <br />PO Box 33695 <br />FacllI y Location: <br />5731 SOUTH HIGHWAY 13 <br />Denver, CO 80233-0695 <br />MOFFAT COUNTY, CO 81641 <br />Permitted Feature: <br />010 <br />Discharge:010-A <br />External Outfall <br />E. TAYLOR POND TO TAYLOR CREEK <br />Report Dates & Status <br />Monitoring Period: <br />From 07101/17 to 09/30/17 <br />I DMR Due Date: <br />10128117 <br />I Status: <br />NetDMR Validated <br />Considerations for Form Completion <br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF -1 OYR,24HR PRECIP <br />EVENT IS CLAIMED. IF CLAIM APPROVED BY <br />WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED <br />TO REPORTED MEASUREMENTS - SEE I.A.2, PG. 3 FOR BURDEN OF PROOFREQUIREMENTS. OIL & GREASE - 1.8.1.B, <br />PG. 5. QRTRLY SAMPLING INSTRUCTIONS <br />- I.CA 1, PG, 5, <br />Principal Executive Officer <br />First Name: <br />Barbara <br />Title: <br />SVP, Policy and Compliance, CCO <br />I Telephone: <br />303-452-6111 <br />Last Name: <br />Walz <br />No Data Indicator (NODI) <br />Form NOW: <br />- <br />Parameter <br />Monitoring Location Season%Param. NODI Quantity or Loading <br />Ouality or Concentintion <br />III <br />Frequarlyof Arulysls <br />Sample Type <br />code Name <br />Qualifier 1 value 1 Gualifier 2 <br />Value 2 units Qualifier tValue 7 <br />Qualifier 2 Value 2 Qualltler3 Val -3 <br />Units <br />Sample <br />= 8.ut <br />= 8.28 <br />12 -SU <br />01/07 -Weekly <br />IS - INSITU <br />004001,11 <br />1 -Effluent Gross 0 - <br />Permit Req. <br />>- 6.5 MINIMUM <br /><= 9MAXIMUM <br />12 -SU 0 <br />01130 -Monthly <br />IS -INSFU <br />Value NODI <br />Sample <br />< 5 < 5 <br />19-mg/L <br />01130. Monthly <br />GR - GRAB <br />00530 Solids, total suspended <br />1 -Effluent Gross 0 - <br />Permit Req. <br /><= 35 30DA AVG <- 70 DAILY MX <br />19-mg/L0 <br />01/30 -Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />< 0.2 < 0.2 <br />25-mL/L <br />01/30 -Monthly <br />GR - GRAB <br />00545 Solids, settleable <br />1 -Effluent Gross 0 - <br />Permit Req. <br />Raq Mon 30DA AVG Raq Mon DAILY MX <br />25-mL/L0 <br />01130 -Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />= 0.06 = 0.06 <br />VA- <br />OM30- Month ly <br />GR -GRAB <br />00980 Imn, total recoverable <br />i - Effluent Gross 0 - <br />Permit R.N. <br /><= 130DA AVG Req Mon DAILY MX <br />19-mg/LO <br />01130 -Monthly <br />GR - GRAB <br />Value NODI <br />sample <br />03582 Oil and grease <br />1 -Effluent Gross 0 - <br />Permit Req. <br /><= 101NST MAX <br />19-mg/L <br />77177- Contingent <br />GR - GRAB <br />Value NODI <br />9 - Condlllonal Monitoring - Not Required <br />This Period <br />Sample = 0.48 = <br />0.698 03 -MGD <br />01107 -Weekly <br />IN - INSTAN <br />50050 Flow, In conduit or thin tmaenent plant <br />1 - Effluent Gross 0 - <br />Permit Req. Raq Mon 30DA AVG <br />Req Mon DAILY MX 03- MGD <br />0 <br />01/30 - Monthly <br />IN - INSTAN <br />Value NODI <br />Sample <br />3490 = 3490 <br />19 -mg& <br />03190- Three Evart' Ouader <br />GR - GRAB <br />70295 Solids, foal dissolved <br />1 - Eflluant Gross 0 -- <br />Permd Req. <br />Raq Mon 30DA AVG Rao Mon DAILY MX <br />19- mg/L O <br />01/90 - Quarterly <br />GR - GRAB <br />Value NODI <br />sample = <br />0 9P-N=O;Y=1 <br />01/07 -Weekly <br />VI - VISUAL <br />84066011 and grease visual <br />1 - Effluent Gmss 0 -- <br />P-,, Req. <br />Req Mon INST MAX 9P- N=0;Y=1 <br />0 <br />01/30 - Monthly <br />VI- VISUAL <br />Value NO01 <br />Submission Note <br />If a parameter row does not contain any values for the Sample nor <br />Effluent Trading, then none of the following fields will be <br />submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type. <br />Edit Check Errors <br />No errors. <br />Comments <br />Attachments <br />No .Mach—nN <br />Report Last Saved By <br />Colowyo Coal Co LP <br />User: <br />kblunt@tristategt.org <br />Name: <br />Kudis Blunt <br />E -Mail: <br />kblunt@tristategt.org <br />Date/Time: <br />2017-10-13 15:16 (Time Zone: -06:00) <br />Report Last Signed By <br />User: <br />BARBARAWALZI <br />Name: <br />Barbara Walz <br />