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' Sequoia 680 Chesapeake Onve Red-ood City CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> � 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> a <br /> 6 <br /> v,,,1 Analytical 819 Straker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> ' EA Engineering Science&Tech Cllerlt Pray ID - Exxon 7-3942/51539421307-- ---- Sampled- 04/18/96 M3 <br /> 3468 Mt Diablo Blvd Ste 8100 Sample Descrlpt MW5 Received 04/19/96 <br /> Lafayette, CA 94549 Matrix LIQUID w <br /> Analysts Method 8015Mod/8020 Analyzed 04/24/96 <br /> Attention Maria Guensler Lab Number 9604E23-25 Reported 05110196 <br /> C Wi- <br /> tch <br /> -Number G C04249667EX17A <br /> knstrumentlD GCHP17 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> i <br /> Anatyte Detection Limit Sample Results <br /> ug/L. ug/L <br /> TPPH as Gas 5o ... 65 <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene - - - - 0 50 •• N D <br /> Xylenes (Total) 050 068 <br /> Chromatogram Pattern .. Gas <br />' Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 99 <br /> I <br /> aiytes reported as N 0 were not present above the stated(1mit of detection <br /> E O ALYTICAL - ELAP #1210 <br /> F tt <br /> ralect Manager Page s <br />