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Q Sequoia 680 Chesapeake Drive Redwood Gk, CA 940983 (650)364-9600 FAX(650) 364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (929)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue.Suite a Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> qW 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> a^a••«e:•s=sa•�:•�:.— _^^•••••'^`s ss�sT_— --—__—.�—r Ks ......... ...«.. — _--__ ___ »....�.. ..r..i,—.�..».» ...�—fir "s"'hs »_ st—_"�'.'�::,_ »: <br /> yGettler Ryan[Geostrategies —»Client Prol ID Former Unocal SS#0187 - Sampled 11/10/98 <br /> 6747 Sierra Court Suite J Sample Descript U-6 Received 11/10/98 ' <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 11/16/98 - <br /> Attention Deanna Hardinggp <br /> » » Lab Number 9611635-07 - Rarted»11 f2�8_ <br /> Purgeable Total Petroleum Hydrocarbons as Gasoline/BTEX/MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 0 50 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes {Total} 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Tri luorotoiuene 70 130 107 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> T nicker <br /> Project Manager Page 7 <br />