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i <br /> I <br /> Alpha Analytical Laboratories Inc. 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> (707) 468.0401 <br /> June 29, 1993 <br /> Bank of Stockton <br /> P.O. Box 1110 <br /> Stockton, CA 95201 <br /> Attn: John Urrutia <br /> Subject: Quality Control Report - Western Lift - 93-0621-001 <br /> OC SET—_ CWH 12054 & 12056 <br /> I <br /> MATRIX - SOIL <br /> ' Method Matrix Duplicate <br /> Blank Spike Spike <br /> Recovery Recovery Recovery RPD <br /> Gasoline ND 89 . 2 93 . 4 4 . 6 <br /> Benzene ND 118 111 6. 1 <br /> Toluene ND 112 104 7 .4 <br /> Ethylbenzene ND 105 97 . 7 7 . 2 <br /> Xylenes ND 103 94 . 8 8 . 3 <br /> ' C SET MEG 81421 <br /> Diesel ND 107 102 4 .8 <br /> ' Note: This batch passes method quality control acceptance <br /> criteria. <br /> ND = none detected <br /> ALPHA ANALYTICAL LABORATORIES, INC. <br /> ' Bruce L. Gove <br /> Laboratory Director <br /> i <br /> 1 . <br />