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DMR Copy of Record <br /> Permit <br /> Permit#: C00045161 Permittee: Colowyo Coal Co LP Facility: COLOWYO MINE <br /> Major: No Permittee Address: PO Box 33695 Facility Location: 5731 SOUTH HIGHWAY 13 <br /> Denver,CO 80233-0695 MOFFAT COUNTY,CO 81641 <br /> Permitted Feature: 010 Discharge: 010-X <br /> External Outfall Chronic WET Testing at 010A <br /> Report Dates&Status <br /> Monitoring Period: From 07/01/19 to 09/30/19 I DMR Due Date: 10/28/19 I Status: NetDMR Validated <br /> Considerations for Form Completion <br /> See I.D.1 for details of test procedure.Report NOEC using test code"S".Report IC25 using test code"P".Beginning 7-1-20,report highest number between"P"and"S"at"T"for each parameter.IWC=100%. <br /> Principal Executive Officer <br /> First Name: Barbara Title: SVP,Policy and Compliance,CCO I Telephone: 303-452-6111 <br /> Last Name: Walz <br /> No Data Indicator(NODI) <br /> Form NODI: -- <br /> Parameter Monitoring Location Season#Param.NODI Quantity or Loading Quality or Concentration #of Ex.Frequency of Analysis Sample Type <br /> Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units <br /> Sample = 45.2 2G-tox chronic 01/90-Quarterly G3-GRAB-3 <br /> TKP313 Static Renewal 7 Day Chronic Ceriodaphnia dubia P-See Comments 0 -- Permit Req. Req Mon SINGSAMP 2G-tox chronic 0 01/90-Quarterly G3-GRAB-3 <br /> Value NODI <br /> Sample = 40 2G-tox chronic 01/90-Quarterly G3-GRAB-3 <br /> TKP313 Static Renewal 7 Day Chronic Ceriodaphnia dubia S-See Comments 0 -- Permit Req. Req Mon MN VALUE 2G-tox chronic 0 01/90-Quarterly G3-GRAB-3 <br /> Value NODI <br /> Sample = 95.2 2G-tox chronic 01/90-Quarterly G3-GRAB-3 <br /> TKP6C Static Renewal 7 Day Chronic Pimephales promelas P-See Comments 0 -- Permit Req. Req Mon SINGSAMP 2G-tox chronic 0 01/90-Quarterly G3-GRAB-3 <br /> Value NODI <br /> Sample = 100 2G-tox chronic 01/90-Quarterly G3-GRAB-3 <br /> TKP6C Static Renewal 7 Day Chronic Pimephales promelas S-See Comments 0 -- Permit Req. Req Mon MN VALUE 2G-tox chronic 0 01/90-Quarterly G3-GRAB-3 <br /> Value NODI <br /> Submission Note <br /> If a parameter row does not contain any values for the Sample nor Effluent Trading,then none of the following fields will be submitted for that row:Units,Number of Excursions,Frequency of Analysis,and Sample Type. <br /> Edit Check Errors <br /> No errors. <br /> Comments <br /> On 10/2/2019,Tri-State notified Eric Mink of WQCD of WET results for Outfall 010 and requested a waiver from additional TIE/TRE evaluations based on ongoing toxicity assessments for this Outfall and demonstration that the water quality has been <br /> consistent(see attached).On 10/4/2019,Tri-State received written confirmation(via email from Eric Mink--attached)indicating that the current ongoing TIE/TRE work will suffice as the automatic compliance response,and no further action is needed <br /> from Tri-State. <br /> Attachments <br /> N;an e Type <br /> Re_UPDATE_Colowyo_Notification_of Chronic WET_Results-3Q19_&_Waiver_Request_for TIE.pdf pdf 76561 <br /> 191001_Colowyo_Notification_of Chronic_WET_Results-3Q19_Waiver Request_for TIE Walz_to_Mink.pdf pdf 2804021 <br /> Colowyo_CDPS_C00045161_OutfaII010_WETresults_September_2019_COC.pdf pdf 1898162 <br /> Report Last Saved By <br /> Colowyo Coal Co LP <br /> User: dcrosby@tristategt.org <br /> Name: Darlene Crosby <br /> E-Mail: dcrosby@tristategt.org <br /> Date/Time: 2019-10-15 16:07 (Time Zone:-06:00) <br /> Report Last Signed By <br /> User: BARBARAWALZ1 <br /> Name: Barbara Walz <br /> E-Mail: bwalz@tristategt.org <br /> Date/Time: 2019-10-21 16:51 (Time Zone:-06:00) <br />