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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek, CA 94598 (510) 988 9600 FAX (510) 988 9673 <br /> �Ilf Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921-0100 <br /> r <br /> Envlros Client Prol ID Shell 2575 Country Club, STK Sampled 01/28/97 _ <br /> z 270 Perkins Ave Sample Descript SS-2C Received 01/29/97 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 02/03/97 - <br /> Analysis Method 8015Mod/8020 Analyzed 02/04/97 <br /> Attention Joe Neely Lab Number 9701G31-03 _ Reported 02105J97 <br /> CC Batch Number GCO20397BTEXEXA <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 0 032 <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 103 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> regory <br /> ct Manager Page 4 <br />