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DMR Copy of Record <br />Permit <br />Permit X: <br />C00045161 <br />Permittee: <br />Colowyo Coal Co LP <br />Facility: <br />COLOWYO MINE <br />Major: <br />No <br />Permittee Address: <br />I <br />PO Box 33695 <br />Facility Location: <br />5731 SOUTH HIGHWAY 13 <br />Denver, CO 80233-0695 <br />MOFFAT COUNTY, CO 81641 <br />Permitted Feature: <br />005 <br />Discharge: <br />005-A <br />External Outfall <br />STOKER COAL LOADOUT/WILSON CR <br />Report Dates & Status <br />Monitoring Period: <br />From 07101117 to 09130117 <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 c=10YR,24HR PRECIP EVENT IS CLAIMED. IF CLAIM APPROVED BY <br />WQCD,TSS & IRON LIMITS WILL NOT BE APPLIED TO <br />REPORTED MEASUREMENTS - SEE I.A.2, PG. 3 FOR BURDEN OF PROOFREQUIREMENTS. OIL & GREASE <br />- 1.B.1.B, <br />PG. 5. QRTRLY SAMPLING INSTRUCTIONS - LCA 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 NODI: <br />— <br />Parameter <br />Monitoring Location Season a Pamm. <br />NODI Quantity or Loading <br />Quality or Concentration <br />toy Ex. <br />Frequency of Analysis <br />Sample Type <br />Code Name <br />Qualifier Values Qualifier <br />Value Units Qualifiers Value1 Qualifier2 Value Qualifier Value <br />units <br />Sample <br />= 864 <br />= 8.66 <br />12 -SU <br />01/07 -Weakly <br />IS - INSITU <br />00400pH <br />1 - Effluent Gross 0 – <br />Permit Req. <br />>= 6 5 MINIMUM <br /><= 9 MAXIMUM <br />12 - SU 0 <br />01130. Monthly <br />IS - INSITU <br />Value NODI <br />Sample <br />< <br />5 < 5 <br />19-mg,L <br />01/30 -Monthly <br />GR -GRAB <br />00530 Solds, total suspended <br />1 -Effluent Gross 0 – <br />Permit Req. <br /><= <br />3530DA AVG <= 70 DAILY MX <br />19-ffg& <br />01/3D -Monthly <br />GR -GRAB <br />Value NODI <br />Sample <br />< <br />0.2 < 0.2 <br />mL <br />25-/L <br />01130 -Monthly <br />GR -GRAB <br />00545 Solids, settleable <br />1 - Effluent Gross 0 – <br />Permit Req. <br />Req Mon 30DA AVG Raq Mon DAILY MX <br />25 -mL1L 0 <br />01/30- Monthly <br />GR -GRAB <br />Value NODI <br />Sample <br />< <br />0.05 < 0.05 <br />19-rtgll. <br />01/30 -Monthly <br />GR -GRAB <br />00900 ficin, fatal recoiasel le <br />1 - Effluent Gross 0 – <br />Permit Req. <br /><= <br />1 30DA AVG Req Mon DAILY MX <br />19-ni 0 <br />01130- Monthly <br />GR -GRAB <br />Value NO01 <br />Sample <br />03582011 and grease <br />i - Effluent Gross 0 – <br />Permit Req. <br /><= 11 INST MAX <br />19-mg/L <br />77177 -Contingent <br />GR -GRAB <br />Value NODI <br />9 - CorMitional Monitoring - Not Required This Period <br />Sample = 0.007 = <br />0.007 03. MGD <br />01107 -Weekly <br />IN - INSTAN <br />50050 Flow, In corldu8 or thm treatim-t plant <br />1 - Effluent Gross 0 – <br />Permit Req. Req 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 />= <br />2000 = 2000 <br />19-mg/L <br />03/90- Three Every Quarter <br />GR -GRAB <br />70295 Solids, total dissolved <br />1 -Effluent Gross 0 – <br />Permit Req. <br />Raul Mon 30DA AVG Ran Mon DAILY MX <br />19-mg/L0 <br />01/90 -Quarterly <br />GR - GRAB <br />Value NODI <br />Sample = <br />0 9P-N=0;Y=1 <br />01/07 -Weekly <br />VI - VISUAL <br />84066011 and grease visual <br />1 -Effluent Gross 0 -- <br />Permit Req. <br />Req Mon INST MAX 9P-N=0;Y=1 <br />0 <br />01/30 -Monthly <br />VI - VISUAL <br />van— No., <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 <br />of Analysis, and Sample Type. <br />Edit Check Errors <br />No errors. <br />Comments <br />Attachments <br />No attachments. <br />Report Last Saved By <br />Colowyo Coal Co LP <br />User: <br />kblunt@tdstategt.org <br />Name: <br />Kurtis Blunt <br />E -Mail: <br />kblunt@thStategt.org <br />DaterTime: <br />2017-10-13 15:16 Mme Zone: -06:00) <br />Report Last Signed By <br />User: <br />BARBARAWALZI <br />Name'. <br />Barbara Walz <br />