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pe'ake Drive Redwood City,CA 94G6 a 364-9600 FAX-(4 i5-)AA4-923 3 <br /> Sequoia Cl-- FAX(51(1)989,9673 <br /> Wiget Lane walnut Creek,CA 94598 988-9600 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> • <br /> ........... <br /> EM.C...ON' ASSociates ..Client Project <br /> ID: Arco 2168, <br /> Stockton,. <br /> A Sampled: <br /> Feb 14 199 <br /> 1433 N. Market Blvd. Sample Matrix: Soil Received: Feb 14, 1996 <br /> /8015/8020 Reported: Feb 29, 19W':'Sacramento, CA 95834 Analysis Method: EPA 5030 <br /> Attention: Claudio Avila First Sample #: 602-0610 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit I.D. I.D. <br /> mg/kg 602-0610 602-0611 <br /> P-4(7ft) P-5(5 1/2ft) <br /> Purgeable <br /> Hydrocarbons 1.0 72 3.1 <br /> Benzene 0.0050 N.D. I. 0.0095 <br /> Toluene 0.0050 N.D. N.D. <br /> Ethyl Benzene 0.0050 N.D. 0.013 <br /> Total Xylenes 0.0050 0.016 0,015 <br /> Chromatogram Pattern: Unidentified Weathered <br /> Hydrocarbons Gasoline <br /> >CIO C6-C12& <br /> Unidentified <br /> Hydrocarbons <br /> Quality Control Data C6-C12 <br /> Report Limit Multiplication Factor: 20 1'0 <br /> Date.Analyzed: 02/22/96 02/22/96 <br /> Instrument Identification: GCHP-1 GCHP-1 <br /> Surrogate Recovery, %: 90 79 <br /> (OC Limits = 70-130%) <br /> I <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected at or above the reporting limit. <br /> SEQUOIA ANALYTICAL, ELAIP #1624 <br /> Janet rtan <br /> ProjeC Manager/Sacramento <br /> Laboratory 6020610.EMC <1> <br />