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Sequoia 680 Chesapeake Drive Redwood City CA 940463 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,a 95834 (916)921-9600 FAX(gib)921-0100 <br /> 1455 McDowell Blvd North Ste I} Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> • <br /> '� tis, 'tt"'i=--_t^i�.�...._.. – — _—t'S"""-ST r–!'................». ....«..»».......w.. - — .. ................– -..... _ ......T.................. – <br /> 3—."'..tsss.s.==a—+.:: .•�.�....:... -' � <br /> 13 Gettler Ryan/Geostrategles -Client Prof ID Farmer Unocal SS#0187 ------ Sampled 11/10/98 <br /> 1. 6747 Sierra Court Sude J Sample Descript U-3 Received 11/10/98 <br /> 1. Dublin, CA 94568 Matrix UCUID <br /> I Analysis Method 8015Mad/8020 Analyzed 11/16/98 <br />?Attention Deanna^Harding - Lab Number 9811635-04 Reported 11 j2�98 <br /> _ µ= _ - --— - - -- =- <br /> Purgeable Total Petroleum Hydrocarbons as Gasoline/BTEX/MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas .. . ... . 1000 . ... ..... .. .. 29000 <br /> Methyl t-Butyl Ether 50 N D <br /> Benzene .. 10 .... 5200 <br /> Toluene ... .. 10 ... .. .... .. 300 <br /> Ethyl Benzene ... ... 10 ... .. ..... 1300 <br /> Xylenes (Total) .. .. 10 .... 2000 <br /> Chromatogram Pattern <br /> Unidentified HC .. .. .. ... .. C6-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trlflucrotoluene 70 130 107 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> TocTGranicher <br /> Project Manager Page 4 <br />