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February Monthly Report <br /> Page 4 <br /> low flow class. In comparison to the February 4, 1998 sample <br /> result, the 650 ug/1 is higher (650 ug/l verses 584 ug/1) and <br /> the flows were probably comparable. There was an improvement <br /> from the 725 ug/l result obtained from the January 6, 1999 <br /> sample. <br /> Since the index value is less than +2 .0, 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) rose to +0.46 in February. <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 L� <br /> inquiry of those individuals <br /> immediately responsible for Larry Perino <br /> obtaining the information, I Reclamation 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 />