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<br />iii iiiiiiiiiiiu iii <br />John C. Halepaska and Associates, Inc. <br />Consulting Ground Water Engineers <br />26 West Dry Creek Circle, Suite 640 <br />Littleton, Colorado 80120 <br />(303) 794-1335 <br />FAX (303)794-3245 <br />December 11, 1992 <br />Division of Mining and Geology <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Attn: Mr. Larry Oehler <br />RF~EI~~~ <br />SEC 141992 <br />MINERAL ~ OFC~ , <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 between Octolber 12-15, <br />1992 from required monitoring stations at Battle Mountain's San <br />Luis Gold Project (Appendix A). This sampling event coincided with <br />BMG's quarterly sampling requirement; thus, the bi-weekly samples <br />are a subset of a larger sampling event. <br />The samples collected during this time frame were from monitoring <br />wells M-9, M-12 and M-13, and surface water station RS-5, as well <br />as the five process points. The sample labeled "BFRB" is a rinse <br />blank sample. The sample labelled M-113 is a duplicate of the M-13 <br />sample and the sample labelled "FB" is a field blank. <br />At the time of the sampling event, wells M-2, M-6, M-7 and M-8 were <br />dry. No deviations from the sampling QA/QC protocols were noted <br />for any of these samples. <br />As a preface to Core Laboratories' analytical report, they report <br />that several cadmium numbers (specifically surface stations RS-1, <br />RS-2 and RS-5) had dissolved values which were greater than total <br />values. Core Laboratories re-analyzed these samples and obtained <br />