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COLORADO LEGACY LAND <br /> 4601 DTC Boulevard,Suite 120,Denver,CO 80237 RECEIVED <br /> T.(303)862-3928 <br /> February 1,2021 <br /> FEB 0 4 2021 <br /> Colorado Department of Public Health and Environment yo '60 DIVISION OF RECI-4MA1i ION <br /> Water Quality Control Division/WQCD-B2-CAS <br /> Compliance Assurance Section �� MINING Al`� SAFETY <br /> Attention: Eric Mink <br /> 4300 Cherry Creek Drive South <br /> Denver, CO 80246-1530 <br /> Subject: December 2020 SW-AWD and SW-BPL Surface Monitoring Data for Sampling Stations, <br /> Schwartzwalder Mine,Paragraph 26,WQCD Order Number: 10 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 surface water samples collected in December 2020 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 /> Jim Harrington, Managing Director <br /> COLORADO LEGACY LAND <br /> lim@ColoradoLegacv.Land <br /> Distribution List: <br /> Dan Arnold, Denver Water, 1 electronic copy via weblink, Daniel.ArnoldC)DenverWater.ore <br /> Eric Mink,CDPHE, 1 electronic copy via weblink, Eric.MinkCo)state.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,Ensero Solutions, 1 electronic copy,brav@ensero.com <br /> Brad Wyant, City of Arvada, 1 electronic copy,bwvant@arvada.org <br /> Evelyn Rhodes, City of Arvada, 1 electronic copy,erhodes(@arvada.org <br /> PAGE 1 OF 2 <br />