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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget lane Walnut Creek CA 94598 (510) 988 9600 FAX(5 10)988 9673 <br /> %I7 Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Smith Environmental Client Prod ID 14650, 94-367 11-10 Sampled 04/09/97 <br /> 3260 Graphics Drive Sample Descript VW-1 Received 04/10/97 <br /> Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 04/21/97 <br /> Attention Jeanne Homsey Lab Number 9704594-05 Reported 04j22/97 <br /> QC Batch Number GC042197BTEX02A <br /> Instrument ID GCHP2 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L. ug/L. <br /> TPPH as Gas 2500 29040 <br /> Benzene 25 140 <br /> Toluene 25 31 <br /> Ethyl Benzene 25 1500 <br /> Xylenes (Total) 25 2300 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 86 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> 'y//4, ' 1117 1- — <br /> 9riia Flynn <br /> o�ect Manager Page 10 <br />