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J f <br /> L.G. Everist Combined SWSP Page 4 of 16 <br /> March 14, 2018 <br /> Therefore, in accordance with approach nos. 1 and 3, you have indicated that a bond has been <br /> obtained for each site that can cover the cost of lining of each site to prevent the exposure of ground <br /> water. The current bond amount for each pit is shown in Table C below. <br /> TABLE C - DRMS Bonding <br /> Site Name DRMS # Bond Amount Final Reclamation <br /> Carbon Valley Pit M-2001-017 $864,200 Compacted Clay Liner <br /> Rinn Valley Pit M-1997-093 Released Compacted Clay Liner <br /> Firestone Pit M-1996-052 $509,900 Compacted Clay Liner <br /> Fort Lupton Sand and M-1999-120 $2,002,400.00 Slurry Walls <br /> Gravel <br /> Star Water Resources M-1977-522 $1,066,000 Slurry Wall and Pre-81 Pond <br /> Depletions <br /> The depletions resulting from evaporation, water lost in product, dust control and concrete <br /> production are shown in Table D below: <br /> TABLE D - DEPLETION SUMMARY <br /> Evaporation Product Concrete Total Total Net <br /> Dust Control Lagged <br /> Loss Moisture Loss Production Depletions ** <br /> Site Name (ac-ft) (ac-ft) (ac-ft) (ac-ft) (ac-ft) Depletions <br /> (ac-ft) <br /> 2018 2019 2018 2019 2018 2019 2018 2201 2018 2019 2018 2019 <br /> Carbon 3.8 3.8 8.4 8.4 1.1 1.1 0.0 0.0 13.3 13.3 33.4 15.7 <br /> Valley Pit <br /> Rinn Valley 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 0.1 2.0 0.1 <br /> Pit <br /> Firestone Pit 51.5 51.5 40.0 40.0 1.2 1.2 8.1* 8.1* 100.9 100.9 24.8 100.9 <br /> St. Vrain Creek Net Depletions 96.1 116.7 <br /> Fort Lupton <br /> Sand and 67.7 67.7 45.1 45.1 1.3 1.3 0.0 0.0 114.1 114.1 55.3 89.0 <br /> Gravel Pit <br /> South Platte River Net Depletions 55.3 89.0 <br /> Star Water 6.5 6.5 0.0 0.0 0.0 0.0 0.0 0.0 6.5 6.5 6.5 6.5 <br /> Resources <br /> Cache la Poudre River Net Depletions 6.5 6.5 <br /> l Met Depletions 158.5 212.2 <br /> *Based on 53,108 tons of concrete production for 2018 and 2019 and 50 gallons of water per ton of <br /> concrete <br /> ** The total net depletions include accretions credits or depletions from dewatering. The total net <br /> depletions for 2018 and 2019 for all pits were taken from Tables 8, 9, 10, 12, and 14 (attached) <br />