CH2M Hill Inc., P.O. Box 91500, Bellevue, WA 98009-2050

R -- MINERAL VALUE RECLAMATION FROM COPPER DROSS FLUE DUST Contact point, Michelle Guttenberg, 206/453-5000, Contract Administrator. Approximately 20,000 tons of ore processing by-product is located onsite at the Bunker Hill Superfund site near Kellogg, Idaho. The by-product contains significant quantities of lead (40 to 45 percent), arsenic (about 12 percent), zinc (7 to 8 percent), indium (0.2 to 0.4 percent), and other constituents of potential commercial interest. The U.S. Environmental Protection Agency (EPA) is seeking indications of interest from business concerns and individuals who have technica expertise, physical facilities, or other resources necessary to recover mineral values from the by-product and manage processing residues in a manner consistent with applicable environmental regulatory requirements. Limited information on the physical and chemical characteristics and quantities will be available from CH2M HILL. A package containing the available information can be obtained after August 14, 1995, by written request directed to Michelle Guttenberg, CH2M HILL, P.O. Box 91500, Bellevue, Washington 98009-2050. Written requests may also be sent via facsimile to 206/462-5957. Pursuant to a review of the available information, a written declaration of potential interest is recovering mineral values should be submitted to CH2M HILL. Such written declaration does not infer any obligation to bind either party in any way. (215)

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