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DMR Copy of Record <br />Permit <br />Permit #: 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 13 <br />Denver, CO 80233-0695 <br />MOFFAT COUNTY, CO <br />81641 <br />Permitted Feature: 007 <br />Discharge: 007-A <br />Extemal Outfall <br />PROSPECT SED PD/GOOD SPRING CR <br />Report Dates & Status <br />Monitoring Period: From 04101117 to 06/30117 <br />I DMR Due Date: 07/28/17 <br />I Status: <br />NetDMR Validated <br />Considerations for Form Completion <br />SETTLEABLE SOLIDS LIMIT APPLIES ONLY IF c=10YR,24HR PRECIP EVENT IS CLAIMED. IF CLAIM APPROVED BY WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO <br />REPORTED MEASUREMENTS - SEE I.A.2, PG. 3 FOR BURDEN OF PROOFREQUIREMENTS. <br />OIL & GREASE - LBA B, <br />PG. 5. QRTRLY SAMPLING INSTRUCTIONS - I.C.11, PG. 5, <br />Principal Executive Officer <br />First Name: Barbara <br />I Title: SVP, Policy and Compliance, CCO <br />I Telephone: <br />303-452-6111 <br />Last Name: Walz <br />No Data Indicator (NODI) <br />Form NODI: -- <br />Parameter Monitonng Location Season %Param. <br />NODI <br />Quantity or Loading <br />Quality or Concentration <br />..fE.. <br />Frequency of Analysis <br />Sample Type <br />Code Name <br />Qualifier <br />1 Value 1 Qualifier 2 Value 2 unite Qualifier i Value 1 Qualifier <br />2 Value 2 Qualifier 3 Value 3 <br />units <br />Sample <br />= 781 <br />= 653 <br />12 -SU <br />01/07 -Weekly <br />IS -MSITU <br />00400pH 1 -Effluent Gross 0 – <br />Permit Req. <br />>= 65 MINIMUM <br /><= 9MAXIMUM <br />12 -SU 0 <br />01130. Monthly <br />IS - INSfTU <br />Value NODI <br />Sample <br />< <br />5 < 5 <br />19-ng/L <br />01/30 -Monthly <br />GR - GRAB <br />00530Solids, total suspended 1 -Effluent Gross 0 – <br />Pefmlt Req. <br /><= <br />35300A AVG <= 70 DAILY MX <br />19-mg/LO <br />01/30 -Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />< <br />0.2 < 02 <br />25-mL/L <br />01130. Monthly <br />GR - GRAB <br />00545 Solids, settleable 1-EMuent Gross 0 – <br />Permlt Req. <br />Raq Mon 30DA AVG Req Mon DAILY MX <br />25-mL/L0 <br />01/30 -Monthly <br />GR - GRAB <br />Value NODI <br />Sample <br />= <br />0.08 = 0.08 <br />19-mg/L <br />01/30 -Monthly <br />GR - GRAB <br />00980Iron, total recoverable 1 -Effluent Gross 0 – <br />Permlt Req. <br />= <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 011—grease 1 -Effluent Gross 0 – <br />Permit Req. <br /><= 101NST MAX <br />19- T/L <br />77177 -Contingent <br />GR - GRAB <br />Value NODI <br />9 - Conditional Monitoring - Not Required <br />This Period <br />Sample = <br />0011 = 0.026 03 -MGD <br />01/07 -Weekly <br />IN - INSTAN <br />50050 Flow, in conduit or thm treatment pant 1 -EM ... I Gross 0 – <br />Permit Req. <br />Req Mon 30DA AVG Raq Mon DAILY MX 03 - MGD <br />0 <br />01/30- Monthly <br />IN - INSTAN <br />Value NODI <br />Sample <br />= <br />1240 = 1240 <br />19-mglL <br />03/90- Three Every Quarter <br />GR - GRAB <br />70295 Solids, total dissolved 1 - Efll—d Gross 0 – <br />Permit Req. <br />RN Mon 30DA AVG Req Mon DAILY MX <br />19 - mg/L 0 <br />01/90- Quant dy <br />GR - GRAB <br />Value NODI <br />Sample <br />0 9P-N=D;Y=1 <br />01/07 -Weekly <br />VI - VISUAL <br />840660;1 and grease visual 1 - E18ueot Gross 0 -- <br />Permit Req. <br />RK Mon INST MAX 9P - N=D;Y=1 <br />0 <br />01/30- Monthly <br />VI - VISUAL <br />Value NODI <br />Submission Note <br />If a parameter row does not contain any values for the Sample nor Effluent <br />Trading, then <br />none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency <br />of Analysis, and Sample Type. <br />Edit Check Enors <br />No errors. <br />Comments <br />Attachments <br />No attachments. <br />Report Last Saved By <br />Colowyo Coal Co LP <br />User: kblunt@tristategt.org <br />I Date/Time: <br />2017-07-11 07:07 (Time Zone: -06.00) <br />Name: Kurtis Blunt <br />E -Mail: kblunt@tristategt.org <br />