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OCT 02 '95 14.05 SEQUOIA ANALYTICAL P 5 <br /> jSequoia • 6so ch.peske pave Ped-`00d Gty CA S (415) 364-%00 FAX(415)364-9233 <br /> 404 N WiBet Lane Walnut Click CA 94598 (510) 988 9600 FAX(510)989-9673 <br /> Analytical 819 smlcer Avernee Sutra 8 Ssc mettto,CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> is <br /> " ali��-yc �� b °v ffi»w.swx wyyiK •u:•"'w.:Mk"n"'�..: '.. ..'lbnyyeeww :w r �' ' ■ t7rblP.A y k o ir <br /> r�vs� ��Y'� ��ALM�`�+t13"..-..�k��.f.,.�v�i�df�mi•' <br /> Touchstone Developrnents Client Pr act ID Chevron 9.1452 <br /> Sampled Sep 27, 19� <br /> 5807 Balboa Dave Sample Matrbc Said Received Sep 28, 1995 <br /> Oakland CA 94611 Analysis Method EPA 8015 Mod /8020 Reported, Oct 2, 1995 <br /> Attention Robert MaII0 First Sample# 9509100-13 <br /> W99MVENRaw,44 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I.D. I.D. I.D. I.D. I.D. <br /> mg/kg 9509100-13 95MI00-14 9509100-15 95x9100-16 9509100-17 95MI00-18 <br /> D-13 0 x23 o D33.0 D43 0 D-"0 D-C?, A <br /> Purgeable <br /> Hydrocarbons 10 N D N D N D. N D 12 N D <br /> Benzene 00060 N D N D N D N D N.D N D <br /> Toluene 0 0050 N D N D N D N D 0 025 <br /> ND <br /> Ethyl Benzene 00050 N D. N D N D N D 0 014 N.0 <br /> Total Xylenes 00050 N D N D. N D N D 24 N D <br /> Chromatogram Pattem -- -- .. -• Weathered .. <br /> Gas <br /> c8-C7 o <br /> Quality Control Data <br /> Report Umd <br /> Multiplication Factor 10 10 10 10 25 10 <br /> Date Analyzed 9/29/95 9/28/95 9/28/95 9/28/95 9/29/95 9/29/95 <br /> Instrument Identification GCHP6 GCHP18 GCHP18 GCHP18 GCHP6 GCHP6 <br /> Surrogate Recovery, % 106 103 101 89 124 123 <br /> (QC Limits - 70-130%) <br /> Purgeable Hydrocarbons wa quantitated against a hash gasoline standard <br /> Anatyrss repon"tis N O were trot aeteetea move vro swea reporting inml <br /> OF QUOIA ANALYTICAL <br /> Mark J Cargasacchi <br /> Project Manager 9509WTTT oda <br />