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6%W1he54peake Drive Redwood Cry.CA 94040/ (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N.Wlget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd, North.Ste.D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070-41 11 (650)232-9600 FAX(650) 232-9612 <br /> .............................................. . <br /> Secor Client Project ID: Arco # 434, Lodi Sampled: Jun 22, 1999 <br /> 9912 Business Park Dr., Ste 100 Sample Matrix: Soil Received: Jun 22, 1999`' <br /> Sacramento, CA 95827 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Jun 24, 1999' <br /> Attention: Rusty Benkosky First Sample #: 906-1819 <br /> OC Batch Number: SP062399 SPD62399 SP062399 SP062399 SP062399 SP062399 <br /> 8020EXA 8020EXA 8020EXA 8020EM 8020EXA 8020EXA <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> mg/Kg 906-1819 906-1820 906-1821 906-1822 906-1823 906-1824 <br /> S-1 S-2 S-3 S-4 S-5 S-6 <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. 1.5 N.D. N.D. N.D. 3.1 <br /> Benzene 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Toluene 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Ethyl Benzene 0.0050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.0050 N.D. N.D. 0.011 N.D. 0.0088 0.0098 <br /> MTBE 0.050 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: Gasoline& Gasoline& <br /> Unidentified Unidentified <br /> Hydrocarbons Hydrocarbons <br /> Quality Control Data > C10 > C10 <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 6/23/99 6/23/99 6/23/99 6/23/99 6/23/99 6/24/99 <br /> Instrument Identification: HP-4 HP-4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 80 79 89 79 80 80 <br /> (OC Limits = 40-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL, #1271 <br /> Dimple Sharma <br /> Project Manager <br /> 9061e19.SSS <1> <br />