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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94510 (510) 686 9600 FAX(510)686 9689 <br /> WWrAnalytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Canonie Environmental _Client Proj ID 94-431, PG&E Tracy Sampled 02/14/95 <br /> 9710 Main Street Sample Descript PG&ET OW-7 Received 02/21/95 <br /> Escalon, CA 95320 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/24/95 <br /> Attention Bill Channell Lab Number 9502E42-02 Reported 02f27/95 <br /> QC Batch Number G6022495BTEX01A <br /> Instrument ID GCHP01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Benzene 0 50 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 0 50 N D <br /> Xylenes (Total) 0 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 94 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Vickie Tague Clark <br /> Project Manager Page 2 <br /> -s <br />