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amec <br />Earth & Environmental <br />Location This Week <br />(tons) Cumulative <br />(tons) Comments <br />E Cresson Clay Processing 8,279 70,020 <br />S Cresson Clay Processing 0 201,199 Processing in area complete. <br />Squaw Gulch Processing 0 35,816 Processing in area complete. <br />Total 8,279 302,424 <br />2) Low Volume Solution Collection Fill Material (LVSCF) <br />Processing of Low Volume Solution Collection Fill material continued at the Dump 4 LVSCF <br />Process. A CAT D-10 dozer and a skid steer loader were used to process the material. <br />Location This Week Cumulative Comments <br /> (tons) <br />Dump 4 LVSCF Processing 11,048 276,701 <br />G) Miscellaneous <br />No work was performed during the week. <br />III) Underground Workings <br />A) Drilling/Excavation <br />No work was performed during the week. <br />B) Mine Shaft/Stope Remediation <br />No work was performed during the week. <br />C) Lateral/Slot Remediation <br />No work was performed during the week. <br />IV) Storm Water Management Structures <br />A) Control Structures <br />No work was performed during the week. <br />B) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. Storm water <br />controls were maintained throughout the week. Precipitation was not substantial throughout the <br />week. <br />Storm water controls are being constructed in the East Cresson Clay Borrow as needed. <br />V) VLF Primary Underdrain <br />Construction of the Primary Underdrain resumed using a CAT 345 excavator. The underdrain trench <br />was excavated from station 21+00 (+/-) and 24+45 (+/-). An AMEC field representative inspected and <br />accepted the under drain subgrade. Geotextile (10oz./yd2), 6" CPe pipe, and three-feet of Underdrain <br />Fill were placed in the trench between stations 21+00 (+/-) and 24+45 (+/-). The previously installed <br />portion of the underdrain was tied into. Six inches of select structural fill was then placed above the <br />VLF Weekly Report WE 04.17.10.D