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September 1998 Monthly/3=d Quarter Report <br /> Page 2 <br /> Attached to this report are progress pictures for comparison to <br /> the pre-project pictures submitted with the June 1996 report. <br /> While these photos do not do justice to the vegetation <br /> established at the sites, it is visible in the pictures and <br /> will improve as it becomes more established at these high <br /> altitude sites. <br /> Sunnyside Mine Pool Mitigation - Alkaline Solution Injection <br /> This project was not active in September or the 3rd <br /> quarter, 1998. The water pool pH, at the American Tunnel <br /> bulkhead, on September 25, 1998, was 3 . 02 and the bulkhead <br /> pressure was 360 psi. <br /> Sunnyside will continue to monitor these parameters. <br /> "B List" Projects <br /> Columbus Mine Portals -Mine Waste Dumps <br /> - London Mine Portals - Waste Dumps <br /> Work, permitting or arrangement for access is not planned <br /> until it becomes evident that the work plans for these <br /> projects require implementation. <br /> - Sunnyside has taken steps towards implementation (i.e. <br /> permitting, access agreements, etc. ) of the work plans to <br /> the three projects submitted for addition to the current <br /> list of "B List" projects in the Consent Decree although <br /> the plans have not been formally added to the Consent <br /> Decree as of the date of this report. <br /> Cement Creek Diversion and Water Treatment <br /> Cement Creek diversion and water treatment was active <br /> continuously throughout September. The flow of Cement <br /> Creek in September was below the treatment system's <br /> capacity and the entire flow was diverted for treatment. <br /> The flow diverted and treated in September ranged from 480 <br /> G.P.M. to 805 G.P.M. <br />