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DMR Copy of Record <br />Permit <br />Permit N: C00045161 <br />Permittee: Colowyo Coal Cc LP <br />Facility: <br />COLOWYO MINE <br />Major: No <br />Permittee Address: PO Box 33695 <br />Facility Location: <br />5731 SOUTH HIGHWAY <br />13 <br />Denver, CO 80233-0695 <br />MOFFAT COUNTY, CO 81641 <br />Permitted Feature: 003 <br />Discharge: 003-A <br />External Outfall <br />GOSSARD POND TO WILSON CR <br />Report Dates & Status <br />Monitoring Period: From 04101/17 to 06130117 <br />I DMR Due Date: 07/28117 <br />I Status: <br />NetDMR Validated <br />Considerations for Form Completion <br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF < I0YR,24HR PRECIP <br />EVENT IS CLAIMED. IF CLAIM APPROVED BY WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO REPORTED MEASUREMENTS - SEE I.A.2, PG. 3 FOR BURDEN <br />OF PROOFREQUIREMENTS. <br />OIL & GREASE - <br />1.B.1.6, PG. 5. QRTRLY SAMPLING INSTRUCTION - I.C.11. PG, 5. <br />Principal Executive Officer <br />First Name: Barbara <br />Title: SVP, Policy and Compliance, CCO <br />I7elephone: <br />303-452-6111 <br />Last Name: Walz <br />No Data Indicator (NODI) <br />Form NODI: - <br />Parameter Monitoring Location Season a Param. NODI <br />Quantity or Loading <br />Quality or Concentration <br />Sof <br />Ea. Frequencyof Analysis <br />Sample Type <br />Code Name <br />Qualifier <br />1 Value 1 Qualifier 2 Value 2 Units Qualifier 1Value 1 <br />Qualifier 2 Value 2 Qualifier 3 Value 3 <br />Units <br />Sample <br />= 8.15 <br />= 8.22 <br />12 - SU <br />01/07 - Weekly <br />IS - INSITU <br />00400 pH 1-Eifluant Grass 0 — <br />Permit Req. <br />65 MINIMUM <br /><- 9MAXIMUM <br />12 -SU 0 <br />01/30 -Monthly <br />IS - INSITU <br />Value NODI <br />Sampo <br />< 7 < 7 <br />19-reg/L <br />01/30 -Monthly <br />GR - GRAB <br />00530 Shcds, local suspended 1 - Effluent Gross 0 — <br />Permit Req. <br /><= 35 3DDA AVG <= 70 DAILY MX <br />19- mgf- 0 <br />01/30- Monthly <br />GR - GRAB <br />Value NOW <br />Sample <br />< 02 < 0.2 <br />25-mL/L <br />01/30 -Monthly <br />GR - GRAB <br />00545 Solids, settleable 1 - Effluent Gross 0 — <br />Permit Req. <br />Req Mon 30DA AVG Req Mon DAILY MX <br />25 - mL/L 0 <br />01/30- Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />< 0.05 < 005 <br />19-mg/L <br />01/30 -Monthly <br />GR - GRAB <br />009801ron, total recoverable 1 - Effluent Gross 0 — <br />Permit Req. <br /><= 1 30DA AVG Req Mon DAILY MX <br />19 - mg/L 0 <br />01/30- Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />03582 Oil and grease 1 -Ell Gross 0 -- <br />Permit Req. <br /><= 101NST MAX <br />19 -Ig& <br />77/77 -Contingent <br />GR - GRAB <br />Value NODI <br />9 - Condieonal Monitmirg - Not Required <br />This Period <br />Sample = <br />0007 = 0.007 03 -MOO <br />01/07 -Weakly <br />IN - INSTAN <br />50050 Pbw, in conduit or thm tmatni plant 1 - Effluent Gross 0 — <br />Permit Req. <br />Req Mon 30DA AVG Req Mon DAILY MX 03 - MGD <br />0 <br />01130. Monthly <br />IN - INSTAN <br />Value NODI <br />Sample <br />= 1330 = 1330 <br />19-mg/L <br />01/90-Ouanedy <br />GR - GRAB <br />70295 Solids, total dlssoived 1 -Effluent Gross 0 — <br />Permit Req. <br />Req Mon 30DA AVG Req Mon DAILY MX <br />19-mg/L0 <br />01/90-Ouan.1y <br />GR - GRAB <br />Value NODI <br />Sample <br />= 0 9P-N=BY=1 <br />01/07 -Weekly <br />VI - VISUAL <br />84066011 and grease visual 1 - Effluent Gross 0 — <br />Permit Reg, <br />Req Mon INST MAX 9P - N=0;Y=1 <br />0 <br />01/30 - Monthly <br />VI - VISUAL <br />Valva NODI <br />Submission Note <br />If a parameter row does not contain any values for the Sample nor Effluent <br />Trading, then none or the following fields will be submitted for that row: Units. Number of Excursions, <br />Frequency of Analysis, and Sample Type. <br />Edit Check Errors <br />No errors. <br />Comments <br />Attachments <br />No afa hme ts. <br />Report Last Saved By <br />Colowyo Coal Co LP <br />User: kblunt@Mstategt.org <br />I DatefTime: <br />2017-07-11 07:07 (Time Zone: -06:00) <br />Name: Kurtis Blunt <br />E -Mail: kblunt@tristategt.org <br />