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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(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> Smith Environmental Client Prol ID 14650, 94-367 11-10 Sampled 04/09/97 <br /> 1260 Graphics Drive Sample Descript MW-5 Received 04/10/97 <br /> Modesto, CA 95351-1502 Matrix LIQUID Extracted 04/17/97 <br /> Analysis Method EPA 8015 Mod Analyzed 04/17/97 <br /> Attention Jeanne Homsey Lab Number 9704594-04 Reported 04J22J97 <br /> QC Batch Number GC0417970HBPEXA <br /> Instrument 1D GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 170 <br /> Chromatogram Pattern <br /> Unidentified HC C9-C24 <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 105 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 301210 <br /> qP-11a Flynn <br /> ro�ect Manager Page 7 <br />