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September 1998 Monthly/3rd Quarter Report <br /> Page 4 <br /> 1997 sample result, the 314 ug/l is almost the same (314 ug/l <br /> verses 330 ug/1) with comparable flows (187 cfs verses 163 <br /> cfs) . <br /> Since the index value is less than +2. 01 Sunnyside does not <br /> plan any additional monitoring or re-analysis. <br /> The 12 period moving average of index values for dissolved zinc <br /> at A-72 (graph attached) dropped to +0.29 in September. This is <br /> a continuation of the downward trend observed since December, <br /> 1997. <br /> If you have any questions on this report, please contact me. <br /> I certify under penalty of law <br /> that I have personally examined Sincerely, <br /> and am familiar with the information <br /> submitted herein: and based on my <br /> inquiry of those individuals -� <br /> immediately responsible for Larry Perino <br /> obtaining the information, I Reclamation <br /> Manager <br /> believe the submitted information <br /> is true, accurate and complete. <br /> I am aware that there are significant <br /> penalties for submitting false <br /> information, including the possibility <br /> of fine and imprisonment. See 15 U.S.C. <br /> Section 1001 and 33 U.S.C. Section 1319 <br /> cc: EPA - Melanie Pallman <br /> EPA Region 8 (8ENF-T) <br /> DMG - Wally Erickson, <br /> Allen Sorenson <br /> LP/lf <br />