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I <br /> VN COLORADO LEGACY LAND <br /> 12150 E.Briorwood Ave.Suite 135,Centennial,CO 80112 <br /> T.(303)862-3928 <br /> May 11,2021 <br /> Colorado Department of Public Health and Environment <br /> Water Quality Control Division/WQCD-132-CAS r ► ' <br /> Compliance Assurance Section <br /> Attention: Eric Mink <br /> 4300 Cherry Creek Drive South <br /> Denver,CO 80246-1530 <br /> Subject: April 2021 SW-AWD and SW-BPL Surface Monitoring Data for Sampling Stations, <br /> Schwartzwalder Mine,Paragraph 26,WQCD Order Number: 10 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 Ensero Solutions,Inc working on behalf of Colorado Legacy Land.This data originates <br /> from the analysis of surface water samples collected in April 2021 at the Schwartzwalder Mine, monitoring <br /> stations SW-AWD and SW-BPL.Review of the data indicates that the total and dissolved uranium concentrations <br /> at SW-AWD and SW-BPL was below 30 µg/L. <br /> If you have any questions,please don't hesitate to contact me. <br /> Sincerely, <br /> y <br /> A. � . <br /> Jim Harrington,Managing Director <br /> COLORADO LEGACY LAND <br /> Jim(4)Co1oradoLegacy.Land <br /> Distribution List: <br /> Dan Arnold,Denver Water, 1 electronic copy via weblink, Daniel.ArnoldoDenverWater.org <br /> Eric Mink,CDPHE, 1 electronic copy via weblink, Eric.MinkCa)state.co.us <br /> Amy Eschberger,DRMS,1 electronic copy via weblink and 1 hard copy via FedEx, <br /> amy.eschberger@state.co.us <br /> Billy Ray,Ensero Solutions, 1 electronic copy,bray@ensero.com <br /> Brad Wyant,City of Arvada, 1 electronic copy,bwyantParvada.org <br /> Evelyn Rhodes,City of Arvada, 1 electronic copy,erhodesParvada.or¢ <br /> PAGE 1 OF 2 <br />