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Sequoia 680 Chesapeake Drive Redwood City,CA 94000 (415) 364 9600 FAX(415) 364 9233 <br /> 15) 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> - <br /> Gettler Ryan/Geostrategies Client Proj ID Unocal VES/ Balar Unit Sampled 11/21/96 i <br /> 13164 Gold Camp Drive #240 Sample Descript Eff Received 11/22/96 :1 <br /> Rancho Cordova, CA 95670 Matrix AIR <br /> I Analysis Method 8015Mod/8020 Analyzed 11/22/96 <br /> Attention GregS Gurss Lab Number 9611 E03-02 Reported 11/26196 <br /> s+si <br /> l.1t ti i »SS 1 i i i i S S 1 S i S SF <br /> QC Batch Numbers GC1 12296BTEX1 7A <br /> Instrument ID GCHP17 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 10 12 <br /> Benzene -- - ... .. 0 10 -- -- 0 1 i <br /> Toluene ... ... .. 0 10 021 <br /> Ethyl Benzene ... .. 010 012 <br /> Xylenes (Total) . . . .. . 0 10 087 <br /> Chromatogram Pattern ... Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 99 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> r <br /> or <br /> Mt regory <br /> Project Manager Page 2 <br />