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Sequoia 680 Chesapeake Dnve Redwood Cory,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Woget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(5 10)986-9673 <br /> � Analytical 819 StnkerAvcnue,Suite 8 Sacramento,CA 95834 {9i6) 921-9600 FAX(916)921-0100 <br /> r <br /> .._ ------- "" <br /> Enviros Client Proj ID Shell 6131 Pacific, Stockton Sampled-09/16/97rE <br /> - 270 Perkins Ave Sample Descript MW-5-31' Received 09/19/97 I <br /> Sonoma, CA 95476 Matrix SOLID Extracted 09/25/97 r <br /> Analysis Method 8015Mod/8020 Analyzed 09/26/97 <br /> — <br /> Attention J_-Gaarder _ Lab Number 9709009-03 _ _ __-- t9parted 10 03J97 _ <br /> I <br /> _ - _ » » _ _ _ <br /> OC Batch Number GCOg2597BTEXEXB- -- --_ <br /> Instrument ID GCHP01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit �-- � Y� Sample Results -� <br /> mg/Kg mg/Kg <br /> TPPH as Gas 10 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trffluorotoluene 70 130 84 <br /> 4-Bromofluorobenzene 60 140 101 <br /> I <br /> I <br /> I <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Mik G gory - <br /> Project Manager page 9 <br />