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COLORADO LEGACY LAND <br /> 335 W.Hampden Ave.,Suite 935 Englewood,CO 80110 ^ C E'`' D <br /> REV <br /> January 11,2023 <br /> JAN 1'� 2023 <br /> Colorado Department of Public Health and Environment CLp,MAT10N <br /> Water Quality Control Division/WQCD-B2-CAS DNIS10N OF RET( <br /> Compliance Assurance Section M`N1NG pND SAPS <br /> Attention:Jacob Dyste <br /> 4300 Cherry Creek Drive South <br /> Denver,CO 80246-1530 <br /> Subject: November 2022 SW-AWD and SW-BPL Surface Monitoring Data for Sampling Stations, <br /> Schwartzwalder Mine,Paragraph 26,WQCD Order Number:I0100601-1,June1,2010, <br /> Schwartzwalder Mine,Golden,Colorado <br /> Dear Mr.Dyste: <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 November 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 /> y &� A. <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 /> Jacob Dyste,CDPHE,1 electronic copy via weblink,Jacob.Dyste@state.co.us <br /> Michael Cunningham,Senior Environmental Protection Specialist,nuchaela.cunnmgham@state.co.us <br /> Elizabeth Busby,Ensero Solutions,1 electronic copy,ebushy�a)ensero.com <br /> JoAnne Ary,Ensero Solutions,1 electronic copy,jary@ensero.com <br /> Brad Wyant,City of Arvada,1 electronic copy,bwyant@arvada.org <br /> Evelyn Rhodes,City of Arvada,1 electronic copy,erhodes (+arvada.org <br /> PAGE 1 OF 2 <br />