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DMG's Task 05a for the mill. The Henderson spreadsheet and additional <br />documentation are found in Exhibit C. The Henderson spreadsheet shows the <br />materials and the amounts maintained at the Mill. <br />• Sodium Cyanide -Although sodium cyanide has been stored and <br />used in the mill process in the past, the practice has been <br />discontinued presently. There is no cyanide stored on Henderson <br />property. Therefore, that line item on the DMG FW spreadsheet is <br />reduced from $23,660 to $0. If Henderson elects to use sodium <br />cyanide in the mill circuit in the future, it will increase the FW <br />accordingly prior to storage on the site. <br />• Phosphorous Pentasulfide - Per the letter dated August 8, 2002, <br />Astaris, Henderson's supplier of P2S5, accepts unused and <br />unopened totes of that product fora 25% restocking fee (Exhibit C). <br />Henderson maintains 8 totes of this material at the mill and has <br />calculated the return fees at $714 per tote for a total disposal cost of <br />$5712; a reduction of $22,124. <br />• Hydrochloric Acid -Henderson only maintains 36,000 gallons of <br />HCL at the mill facility. Using DMG's unit disposal cost, the amount <br />for this line item is reduced from $134,542 to $48,434. <br />• Pine Oil, Vapor Oil, 9N9, 50wt. Gear Oil -These mill reagents are <br />considered "used oil" products and are disposed with other used oils <br />at no cost to Henderson. Documentation fram Henderson's used oil <br />contractor is found in Exhibit B for the Henderson mill items. Thus, <br />these items are reduced in DMG's task spreadsheet from $78,301 <br />(total for the three reagents) to $0. <br />• Syntex - DMG's spreadsheet line item cost is based on 120 tons of <br />Syntex on site. Henderson has reduced Syntex use and storage to <br />10 tons. Using DMG's unit disposal cost, the disposal amount is <br />reduced from $83,507 to $6959. <br />• Safety Kleen Solvent -Henderson uses and maintains a small <br />amount of Safety Kleen solvent at the mill. Thus, a line item should <br />be added to the DMG task for 210 gallons at a unit disposal cost of <br />$1.69; an increase of $354 in the total amount. <br />5 <br />