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CHROMALAB, INC. <br />Environmental Laboratory (1094) <br />' December 8, 1992 <br />PACIFIC GAS & ELECTRIC COMPANY <br />Attn: D. Klingman <br />E <br />5 DAYS TURNAROUND <br />ChromaLab File No.: 1292052 <br />' <br />RE: Two soil samples for TEPH analysis <br />Project Name: McMULLIN DEHYDRATOR <br />Project Number: 60007193-TA-TESA <br />' <br />Date Sampled: Nov. 30, 1992 <br />Date <br />Submitted: Dec. <br />4, 1992 <br />Date Extracted: Dec. 7, 1992 <br />Date <br />Analyzed: Dec. <br />7, 1992 <br />'RESULTS: <br />Sample <br />Kerosene <br />Diesel <br />Motor Oil <br />I.D. <br />(mg/Kq) <br />(mg/Kg) <br />(mg/Kq) <br />' <br />B-9 (0.5 to 3.0 PT) <br />6.8 <br />6.9 <br />N.D. <br />B-9 (4.5 to 6.0 PT) <br />6.0* <br />N.D. <br />N.D. <br />' <br />BLANK <br />N.D. <br />N.D. <br />N.D. <br />SPIKE RECOVERY <br />---- <br />103% <br />---- <br />DUP SPIKE RECOVERY <br />---- <br />112% <br />---- <br />DETECTION LIMIT <br />1.0 <br />1.0 <br />10.0 <br />METHOD OF ANALYSIS <br />3550/8015 <br />3550/8015 <br />3550/8015 <br />' <br />*Unknown hydrocarbon found between diesel <br />and kerosene <br />range <br />quantified as kerosene. <br />' <br />ChromaLab Inc., <br />Yiu Tam <br />Eric Tam <br />Analytical Chemist <br />Laboratory <br />Director <br />' <br />cc <br />' 2239 Omega Road,#1 • San Ramon, California 94583 <br />(510) 831-1788 • Facsimile (510) 831-8798 <br />Federal ID #68-0140157 <br />