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HSI ~~~ ~~~~~~~~~~~~~~~~ <br />GEOTRANS 2636 Midpoint Drive, Unit B <br />Ft. Collins, CO 80525 <br />A TETRA TECH COMPANY <br />(970) 484-7704 FAX: (970) 484-7789 <br />September 28, 2000 <br /> <br />Mr. James Dillie <br />Colorado Division of Minerals &Geology OCr Q y ZQQQ <br />1313 Sherman, Room 215 <br />Denver, CO 80203 Oivisian of Minerals and Geology <br />Dear Mr. Dillie: <br />On behalf of Battle Mountain Resources, Inc. please find enclosed updated copies of the CUSUM/Shewhart <br />control charts for the August 2000 sampling round. Charts are provided for [he eleven groundwater monitoring <br />wells included in the final TR-26 performance monitoring program for the San Luis Project. <br />Please note that the charts for pH and temperature for the perfornance monitoring wells M-21, M-22, M-23, and <br />M-24 have been corrected from the charts submitted in July, which depicted pH and Temperature from M-31. I <br />apologize for any contusion regarding the charts for pH and temperature. In addition, through an in[emal <br />miscommunication, samples were not collected from M-16, M-19, and M-30. These groundwater monitoring <br />wells have been sampled in the September round, and will become part of the routine sampling locations. <br />It you have any questions, or require additional information, please contact either me (303-426-7501) or Bdl <br />Lyle (775-240-3559). <br />Sincerely, <br />~., <br />im B. Finl~Ph.D., P <br />enior Geoch mist <br />Enclosure <br />cc: Ron Zumwalt <br />Bill Lyle <br />Dean Massey <br />\bmgban luu~.ommuniciimn\asum augusl00 doa <br />