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Sequoia 680 Chesapeake Drive Redwood City CA 940oi (415) 364-9600 FAX(4l5) 364-9233 <br /> (D— 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(5 10)988-9673 <br /> qlw Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> ' Gettler Ryan/GeostrategiesClient Prot ID Unocal 6981, 4855 06 Sampled 10/28/96 <br /> 3164 Gold Camp Drive #240 Sample Descrlpt Inf Received 10/29/96 <br /> Rancho Cordova, CA 95670 Matrix AIR <br /> Analysis Method 8015Mod/8020 Analyzed 10/30/96 <br /> Attention Greg Gurss Lab Number 9610H87-01 Reported 1,1101 f 96 „ <br /> GIC Batch Number GC103096BTEX02A <br /> Instrument ID GCHP02 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 500 1900 <br /> Benzene 5 0 N D <br /> Toluene 5 0 40 <br /> Ethyl Benzene .. 5 0 45 <br /> Xylenes (Total) .. 5 0 310 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 96 <br /> 0 <br /> Analytes reported as N n were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Am <br /> regory <br /> Project Manager Page <br />