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ka- h a <br /> Alpha FAnalytical Laboratories Inc. 860 Waugh Lane, H•1, Ukiah, California 95482 <br /> (707) 468.0401 <br /> April 29, 1996 Page 1 <br />' Bob Marty <br /> Advanced Geo Environmental <br /> 1803 W March Ln, #A <br /> Stockton, CA 95207 <br /> ' Quality control Report <br /> Batch Number. 95-1004-005 <br /> ' Method Matrix Duplicate <br /> Blank spike spike <br /> Recovery Recovery Recovery RPD <br /> p <br /> % O <br /> Matrix: Soil <br /> OU-TPGBTXE-S TPH Gasoline W/BTXE <br /> Benzene ND 92 . 7 97 . 1 4 . 64 <br /> Benzene ND 69 . 2 74 . 3 7 . 11 <br /> Ethylbenzene ND 99 . 8 105 5 . 08 <br /> Ethylbenzene ND 91. 8 79 . 0 15 . 0 <br /> Toluene ND 101 105 3 . 88 <br /> Toluene ND 77 . 6 77 . 3 . 387 <br /> ' TPH - Gasoline ND 92 . 9 92 . 1 . 865 <br /> Xylenes ND 103 109 5 . 66 <br /> Xylenes ND 69 . 4 63 . 3 9 . 19 <br /> ' This Batch passes method quality control acceptance criteria. <br /> ' ND = none detected <br /> Bruce L. Gove -------- <br /> Laboratory <br /> -Laboratory Director Date Printed: 4/29/96 <br />