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COLORADO LEGACY LAND <br /> 4601 DTC Boulevard,Suite 120,Denver,CO 80237 <br /> T.(303)862-3928 <br /> March 26,2019 RECEIVED <br /> Colorado Department of Public Health and Environment MAR 2 8 2019 <br /> Water Quality Control Division/WQCD-132-CAS O MMN UI-KEC ►� <br /> Compliance Assurance Section � NO&UFUYM <br /> Attention:Eric Mink -so <br /> 4300 Cherry Creek Drive South <br /> Denver,CO 80246-1530 <br /> Subject: February 2019 SW-AWD and SW-BPL Surface Monitoring Data for Sampling Stations, <br /> Schwartzwalder Mine,Paragraph 26,WQCD Order Number:IO 100601-1,Junel,2010, <br /> Schwartzwalder Mine,Golden,Colorado <br /> Dear Mr.Mink: <br /> Pursuant to Paragraph 26 of the above referenced Order, please find enclosed data reports from contract <br /> laboratories as received by Alexco Water and Environment,Inc. These data originate from the analysis of surface <br /> water samples collected in February 2019 at the Schwartzwalder Mine, monitoring stations SW-AWD and SW- <br /> BPL. Review of the data indicates that the total and dissolved uranium concentration at SW-AWD and SW-BPL <br /> were each below 30-µg/L. <br /> If you have any questions,please don't hesitate to contact me. <br /> Sincerely, <br /> Jim Harrington,Managing Director <br /> COLORADO LEGACY LAND <br /> Jim@ColoradoLegacy.Land <br /> Distribution List: <br /> Dan Arnold,Denver Water,1 electronic copy via weblink,Daniel.Arnold(a)DenverWater.org <br /> Eric Mink,CDPHE, 1 electronic copy via weblink,Eric.Mink aostate.co.us <br /> Michael Cunningham,DRMS,1 electronic copy via weblink and 1 hard copy via FedEx, <br /> michaela.cunninghamOstate.co.us <br /> Billy Ray,AWE,1 electronic copy,bray(@alexcoresource.com <br /> PAGE 1 OF 2 <br />