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4X) Sequoia 680 Chesapeakc Drive Redwood City,CA 94063 (41i) 364 9b00 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 /> Blaine Technical Services Client Proj ID Chevron 9-1918, 950414-Zi Sampled 04/14/95 <br /> 985 Timothy Drive Sample Descript MW-2R Received 04/17/95 <br /> San Jose, CA 95133 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 04/26/95 <br /> Attention Jim Keller Lab Number 9504A87-01 Reported 05/11195 <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 0 50 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) N D <br /> Chromatogram 0 50 <br /> 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 limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1197 <br /> f� <br /> u e Chin <br /> Project Manager Page i <br />