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John C. Halepaska and Associates, Inc. ~~~ ~IIIII!f""~I"~I <br />Consulting Ground Water Engineers <br />26 West Dry Creek Circle, Suite 640 <br />Littleton, Cotoredo 80720 <br />(303) 794-1335 (1 <br />FAX (303)794.3245 ('~A uu <br />\~ ` <br />5 "` <br />October 12, 1992 <br />Division of Mining and Geology QC <br />Department of Natural Resources r1 41g8? <br />DenverheColoradoeet80203m 215 Baft)e ~R`'~'r=m ~;o,~ ~o. <br />~lEwpod <br />Attn: Mr. Larry Oehler <br />Reclamation Specialist <br />Subject: Transmittal of Bi-Weekly Sample Analyses From Battle <br />Mountain's San Luis Gold Project, Costilla County, <br />Colorado. <br />Project No. 5284 <br />Dear Mr. Oehler: <br />Transmitted herewith are the analytical reports from Core <br />Laboratories for bi-weekly samples collected on July 22, August 6 <br />and August 20, 1992 from required monitoring stations at Battle <br />Mountain San Luis Gold Project (Appendix Aj. The July 22, 1992 bi- <br />weekly sampling coincided with the July quarterly sampling event. <br />The July 22, 1992 sample set included all ground water and surface <br />water stations, in addition to the five process point samples, The <br />sample labeled RBBF is a rinse blank sample. <br />The samples collected on August 6, 1992 were from monitoring wells <br />M-9, M-12 and M-13, and surface water station RS-5, as well as the <br />five process points. The sample labeled M-21 is a duplicate of the <br />M-12 sample. The sample labeled BFRB is a rinse blank sample. <br />The samples collected on, or about, August 20, 1992 were from <br />monitoring wells M-9, M-12 and M-13, and surface station RS-5, as <br />well as three of the process points (the mill was shut down at the <br />time, so no pre-detox and post-detox samples were obtained). The <br />sample labeled BFRB is a rinse blank sample. <br />