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I I+ <br /> f <br /> ik <br /> t 7M { <br /> Alpha Analytical Laboratories Inc. 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> (707) 468-0401 <br /> April 1, 1999 ' Page 1 <br /> ii <br /> Advanced Geo Environmental <br /> 4005 N. Wilson Way <br /> Stockton, CA 95205 <br /> I <br /> Quality Control Report <br /> Ys I <br /> Batch Number: 99-0323-008 <br /> Method Matrix Duplicate <br /> Blank Spike Spike <br /> I Recovery Recovery Recovery RPD <br /> Matrix: Soil <br /> OU-BTXE-S Benzene,Toluene,Xylene <br /> Benzene ND 83 . 3: 79 .7 4 .42 <br /> Benzene ND 110 111 . 905 <br /> Ethylbenzene ND 92 . 2' 88 . 0 4 . 66 <br /> Ethylbenzene ND 98 . 8 92 .8 6.26 <br /> Toluene ND .91. 0.: 85.8 5.88 <br /> Toluene ND 99 . 5 100 .501 <br />' Xylenes ND 91. 3' 87. 1 4.71 <br /> i Xylenes ND 99 . 7 ; 95. 3 4.51 <br /> TPH -- Diesel ND 111 95. 5 15. 0 <br /> This Batch passes method quality control acptance criteria. <br /> ND = none detected I3 <br /> Ik <br /> a <br />� IP <br /> s <br /> Bruce L. Gove <br /> i; <br /> Laboratory Director ` Date Printed: 4/01/99 <br /> i <br /> 't I <br /> fS <br /> I n I� <br />