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Sequoia 6BO Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9 33 <br /> a— ) <br /> q 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925,)988-2U3 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Cambria- Client Prot ID Shell 420 West-Kettleman Lane Sampled 43/23/99 <br /> 270 Perkins Ave Sample Descript SP-8 Received 03/23/99 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 03/24/99 <br /> - Analysis Method EPA 8015 Mod _ Analyzed 03/24/99 <br /> Attention Mike Murphy_ _ _ Lab Number 9903A47-08 Reported 03/26/99 <br /> QC Batch-Number GC0324996TEXEXA <br /> Instrument ID GCHP18 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) <br /> Analyte Detection Limit Sample Results <br /> mg/K9 mg/Kg <br /> TPPH as Gas 1 0 68 <br /> Chromatogram Pattern <br /> Weathered Gas C6-C12. <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 $1 <br /> 4-Bromofluorobenzene 60 140 97 <br /> Anaiytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Protect Manager <br /> Page 1 <br />