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COLORADO LEGACY LAND <br /> 12150 E.Briarwood Ave.Suite 135,Centennial,CO 80112 <br /> T.(303)862-3928 <br /> April 27,2022 <br /> RECEIVED <br /> Colorado Department of Public Health and Environment �a� 0 2 L�ZL <br /> Water Quality Control Division/WQCD-B2-CAS <br /> Compliance Assurance Section <br /> Attention:Eric Mink DIVISION OF RECLAMATION, <br /> 4300 Cherry Creek Drive South MINING&SAFETY-MINERALS <br /> Denver,CO 80246-1530 <br /> Subject: February 2022 SW-AWD and SW-BPL Surface Monitoring Data for Sampling Stations, <br /> Schwartzwalder Mine,Paragraph 26,WQCD Order Number:IO 100601-1,June1,2010, <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 the surface water sample collected in February 2022 at the Schwartzwalder Mine, <br /> monitoring station SW-AWD and SW-BPL. Review of the data indicates that the total and dissolved uranium <br /> concentrations at SW-AWD and SW-BPL were 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@DenverWater.org <br /> Eric Mink,CDPHE,1 electronic copy via weblink,Eric.Mink@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,bray0ensero.com <br /> Brad Wyant,City of Arvada,1 electronic copy,bwyantParvada.ore <br /> Evelyn Rhodes,City of Arvada,1 electronic copy,erhodes@arvada.org <br /> PAGE 1 OF 2 <br />