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4T�— Sequoia 680 Chesapeake Drive Redwood Cu CA <br /> P y 94063 (415) 364 9600 FAX (4E5) 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 /> 0 <br /> Blaine Technical Services Client Proj ID Chevron 9-1918, 950414-Z1 Sampled 04/14/95 <br /> 985 Timothy Drive Sample Descript MW-9 Received 04/17/95 <br /> San Jose, CA 95133 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 04/25/95 <br /> Attention Jim Keller Lab Number 9504A87-02 Reported 05ji 1/95 <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 050 N D <br /> Toluene 050 0 67 <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 0 50 0 61 <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 100 <br /> 0 <br /> Analytes reported as N D were not present above the stated Amit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01197 <br /> Yin <br /> duWe Chin <br /> Project Manager Page 2 <br />