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Exhibit L <br />Reclamation Costs <br />The Topaz Mine is currently covered by a surety bond for the amount of $38,433. The current <br />surety bond is provided in Attachment G of the Topaz Mine POO. The expansion of mining at <br />the Topaz Mine will require additional bonding. The information in Table L-1, Figures C-1 <br />through C-5, and Figures F-1 and F-2 are provided to assist the DRMS in calculation of the <br />reclamation costs. Denison agrees to update its surety bond to include total estimated cost of <br />reclamation as determined by DRMS and BLM. <br />Table L-1 <br />Reclamation Cost Information <br />Item uanti Descri lion <br />Demolition/Clean-u <br />- Shop Building 1 ea 35' x 20' x 20' re-fabricated metal buildin <br /> 1 ea 35' x 20' x 4" concrete slab <br />- Se tic Tank 1 ea 1,000 allons <br />- Water Tanks 3 ea 500- allons, buried <br />-Diesel AST 1 ea 1,000- anon <br />- Electrical switch eaz 1 ea <br />-Vent Holes 5 ea 6-foot diameter <br />Earthmovin <br />- Waste Rock Area 11,000 CY CuUfill volume, to rade to 2:1 slo e <br />-Portal 1 ea 12' wide x 12' hi h <br />- Portal Face 9,000 CY Grade cut face to 2:1 slo e <br />- Finish Grade/Contour 6.1 ac Surface facilities area, not including <br />ermanent diversion channels <br />Reve elation <br />- Topsoil, spread to 4" deep 850 CY from to soil stock ile <br /> 1,150 CY from earthen berm at toe of WRA <br />- Ri com action 5.8 ac Access roads and vent ads <br />- Revegetate 11.9 ac All disturbed areas except permanent <br />diversion channels, see Reclamation Seed <br />Mix (Table E-1) <br />OS-18-2007 Exhibi[ L Reclamavon Coss L-1 <br />