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BATTLE MOUNTAIN RESOURCES, INC. <br />October 5, 2002 <br />Mr. Tim Dillie <br />State of Colorado / <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 / <br />Re: Battle Mountain Resources Inc. <br />San Luis Project /~ / <br />CMLRB Permit No. M-88-112 <br />Tank Farm Reclamation (2Q,PE'~Z" <br />Dear Mr. Dillie: <br />REC~EV~® <br />OCT 1 0 2002 <br />Division of Minerals and Geology <br />Pursuant to our conversation Monday, September Z3, 2002 concerning hydrocarbon soil <br />testing and remediation of the Battle Mountain Resources Inc. (BMR) tank Farm soils, I <br />present this correspondence. As communicated during our conversation, BMR <br />contracted Terracon Inc. of Denver to perform sampling and testing of the soils contained <br />within the previous BMR hydrocarbon tank farm. Terracon performing this sampling <br />and testing analysis excavated two representative holes within the confines of the <br />previous tank fazm area. These holes were excavated approximately 30 inches through <br />soil materials contained above the geomembrane liner and approximately 24 inches <br />within the underlying alluvial soils beneath the liner surface. During excavation of the <br />soil materials, Terracon performed soil sample collections along discrete intervals of the <br />hole excavation to be analyzed for potential hydrocazbon contamination. <br />Each of these discrete sample collections were appropriately containerized and submitted <br />for volatile and total hydrocarbon analysis. The preliminary results of this analysis <br />identified all samples with the exception of one sample contained less than detection <br />concentrations of volatile hydrocarbon concentrations, the one sample yielding above the <br />less than detection concentration was contained within a soil sample collection above the <br />geomembrane liner surface and the measured concentration was low. With regards to <br />soil sample collections taken for total petroleum hydrocarbon (tph) analysis, only one <br />sample beneath the geomembrane liner surface detected tph concentrations and this <br />concentration was approximately 25 ppm well below recommended remediation <br />standards of 100 ppm. Total petroleum hydrocarbon concentrations in the soils contained <br />above the geomembrane liner surface ranged from less than detection to approximately <br />23,000 ppm tph. <br />P.O. Box 310 • San Luis, Colorado 81152-0310 • (7i9) 379-0798 Fax (719) 379-0713 <br />