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<br />iii iiiiiiiiiiiiiiii~ <br />999 <br />BATTLE MOUNTAIN RESOURCES, INC. R-~b~ i V C ~ ; <br />May 18, 1993 1993 <br />Mr. Larry Oehler MAY 26 <br />Division of Minerals and Geology ~D~;~l, <br />1313 Sherman Street, Room 215 Givslor~ ~' I°'i°E'~'" V ,Y <br />Denver, Colorado 80203 ggILE MOIMWN <br />GOLD COA4ANY <br />Re: Battle Mountain Resources, Inc. (BMRI) - San Luis <br />DMG Permit No. M-88-112 <br />Bi-Weekly Water Sample Report <br />February 17-18, 1993 Sampling Event <br />Dear Mr. Oehler: <br />Enclosed are the analytical reports from Core Laboratgries <br />for the bi-weekly water samples collected on <br />February 17-18, 1993 as specified in the April 1992 <br />Abatement Plan. The final analytical reports from Cone Labs <br />were received at the San Luis mine on May 12, 1993. ~'he <br />cross-reference table between sample identification numbers <br />and sample locations is attached. As specified in TR-006, <br />calculated free and wad cyanide values for the process point <br />samples are enclosed. <br />No deviations from the sampling QA/QC protocols, TR-006, <br />were noted for any of the samples collected. However, it <br />should be noted that approximately eight inches of ice was <br />chipped from the surface of the RS-5 sampling location <br />before flowing water was reached. The sediments in the <br />stream bed were disturbed during ice removal. The stream <br />bed was given time (approximately 15 minutes) to settle, and <br />the flowing water was allowed to visibly clear. Wells M-9, <br />M-12, and M-13, the five process points, and RS-5 were <br />sampled. Wells M-2, M-6, M-7, and M-8 and the three <br />lysimeter pairs were checked and found to be dry. A barrel <br />filter rinse blank and a field blank were taken as field <br />quality control samples. <br />The initial analysis by Core Labs of the cyanide sampl s for <br />the lower pond (930218 BMG 02) and pre-detox (930218 B~7G 05) <br />showed CN-wad values greater than CN-total values. Th~ <br />initial analysis for the lower pond showed 0.20 ppm CN wad <br />and 0.18 ppm CN-total and for pre-detox showed 207 ppm,CN- <br />wad and 202 ppm CN-total. The samples were re-analyze~3. <br />The lower pond re-analysis values showed 0.04 ppm CN-wed and <br />0.13 ppm CN-total, while the pre-detox re-analysis vallues <br />continued to show a higher CN-wad (186 ppm) than CN-total <br />(173 ppm). It should be noted that all cyanide values <br />reported for the lower pond samples collected on February 18 <br />were below permit limits. <br /> <br />it <br />A.SUF.SIDlAFY OF FA17l.F MOUNFAlN C.OCO COMPANY <br />P.O. BOX lIU SAN LUIS, COLORADO 8115?-0?10 (719167?776? FAX f719) 67?-3367 <br />1 <br />