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COLORADO LEGACY LAND SCHWARTZWALDER MINE EXHIBIT L. RECLAMATION COSTS Table L-1 summarizes the current reclamation costs for the Schwartzwalder Mine. These reclamation costs were developed during the Succession of Operators. L-1.SCIMZ ko Source Amount 1 Description Notes $926,66Q,. .additional Scope Items(Total Cost) PreDMO bond for site reclamation TR-12 $30,000 200 gpm water treatment plant Demo of new water treatment plant building TR-13 50 gpm interim water treatment Sump 1 Completed TR-15 Construction of Sump 5 Completed TR-15 Construction of Sump 9 Completed TR-15 Construction of Sump 8 Completed TR-15 Construction of Sump 10 Completed TR-18 $134,526 Cutoff Wall and 18"Creek bypass pipe line Habitat restoration remaining TR-19 New monitor well installation Completed Additional monitor well in South Waste TR-19 Rock Pile Completed $77,000 for 5 years;$38,000 for an $575,000 Groundwater monitoring additional 5 years Adit closure.Minnestota and $15,000 CV/Charley/Intakes areas Two mine openings @$7,500 each $26,000 Groundwater well abandonment Abandon 13 monitor wells @$2,000 per well $780,526 Subtotal(Direct Costs) Additional Scope Items(DRMS Indirect Costs) $15,767 Liability Insurance 2.02%of Direct Costs $8,196 Performance Bond 1.05%of Direct Costs Site personnel covered in RO system Job superintendent operation $78,053 Profit 10%of Direct Costs $102,015 Subtotal(Indirect Costs) Additional Scope Items(Eng/Management) Engineering Word&/or Contract/Bid Prep 4.25%of Direct and Indirect Costs $44,127 Reclamation management&/or Admin. 5%of Direct and Indirect Costs $44,127 Subtotal(Eng/Management) AM-04 $4,943,778 Mine DewateriBg&InSitu Treatment(Total Cost) Mine Dewatering&InSitu Treatment(Direct Costs) $350,000 Initial InSitu Treatment Remaining treatment if needed 10 yrs.Quarterly treatments for $515,000 Maintain InSitu Mine Pool Treatment maintenance. NOVEMBER2020 49 AMENDMENTS