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` / \ Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> A 404 N Wiget Lane W�nut Creek,CA 94598 (510) 988-%W FAX(510)988-%73 <br /> AI1a1yf1Ca1 819 Sinker Avenue,Suite 8 Sacramento CA 95834 (916) 92I-9600 FAX(916)921-0100 <br /> *—W=4 Y- ' `�e� "#x'l'"'...rr ,. o rr r. �> �siS'";��m 4"}:;�3''rooxJ':°r°x^`G`S,`"4"o w.,,.�.«rw•--'a <br /> silent Projectlb Akd0 2130,+Stockton, CA Sampled pillar 5, t9s8r: <br /> 1433 N Market Blvd Sample Matrix Water Received Mar 6, 1998H <br /> Sacramento, CA 95834 Analysis Method EPA 5030/8020, DHS Luft Reported Mar 24, 199W <br /> Attention Dave Foley First Sample# 803-0305x <br /> , <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample <br /> Analyte Units Results Results <br /> pg/L 803-0305 803-0306 <br /> MW-7 MW-10 <br /> I71 1 (70) <br /> Purgeable N D 110 <br /> Hydrocarbons Reporting Limit 50 50 <br /> Benzene N D 066 <br /> Reporting Limit 050 050 <br /> Toluene N D -ND <br /> Reporting Lamit 050 050 <br /> Ethyl Benzene N D N D <br /> Reporting Lima 050 050 <br /> Total Xylenes N D N D <br /> Reporting Lama: 050 050 <br /> Chromatogram -- Weathered <br /> Pattern Gasoline <br /> C6-C12 <br /> Quality Control Data <br /> Date Analyzed 03/06/98 03/06/98 <br /> Instrument Identification GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 102 108 <br /> (OC Limits = 60-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP#1624/1 <br /> Ronald W Bobel <br /> Project Manager/Sacramento Laboratory <br /> 8030299 FMC <2> <br />