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Sp __i Chesapeake Drive Redwood City,CA _ 3 (650)364-9600 FAX(650)364-9233 <br /> equoia 404 N.Wiget 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)921-0 100 <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 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> i <br /> EMCON 7 P nnac e C lent Pro ect 1D. ARCO 2 86 Sio Jun 21 <br /> J P <br /> 3939 Cambridge Rd., Ste. 220 Sample Matrix: Soil Received: Jun 21, 1999 < <br /> :::Cameron Park, CA 95682 Analysis Method: EPA 5030/8020, DHS Luft Reported: Jun 23, 1999<` <br /> .-.-Attention: Mark Capps First Sample#: S906330 -01 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Sample Sample Sample Sample Sample Sample <br /> Analyte Units Results Results Results Results Results Results <br /> mg/kg S906330-01 S906330-02 S906330-03 S906330-04 S906330-05 BLK062299 <br /> SP-1A,B,C,D SP-1E,F,G,H SP-11,J,K,L SP-1M,N,P,Q SP-11R,S,T Method Blank <br /> (composite) (composite) (composite) (composite) (composite) <br /> Purgeable 64 14 140 210 380 N.D. <br /> Hydrocarbons Reporting Limit: 20 5.0 50 20 20 1.0 <br /> Benzene N.D. N.D. 0.48 N.D. N.D. N.D. <br /> Reporting Limit: 0.10 0.025 0.25 0.10 0.10 0.0050 <br /> Toluene N.D. N.D. N.D. N.D. N.D. N.D. <br /> Reporting Limit: 0.10 0.025 0.25 0.10 0.10 0.0050 <br /> Ethyl Benzene N.D. N.D. N.D. 0.11 0.16 N.D. <br /> Reporting Limit: 0.10 0.025 0.25 0.10 0.10 0.0050 <br /> Total Xylenes 0.56 0.084 0.88 2.7 12 N.D. <br /> Reporting Limit: 0.10 0.025 0.25 0.10 0.10 0.0050 <br /> MTBE N.D. 0.079 N.D. N.D. N.D. N.D. <br /> Reporting Limit: 1.0 0.25 2.5 1.0 1.0 0.050 <br /> Chromatogram Gasoline Unidentified Gasoline Gasoline Gasoline -- <br /> Pattern: Hydrocarbons <br /> >C8 <br /> Quality Control Data <br /> Date Analyzed: 06/22/99 06/22/99 06/22/99 06/22/99 06/22/99 06/22/99 <br /> Instrument Identification: HP-5 HP-4 HP-5 HP-4 HP-4 HP-5 <br /> Surrogate Recovery, %: 92 93 113 117 102 <br /> (QC Limits =60-140%) <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, ELAP#127 'Diluted Out <br /> Ronald W. Bobel <br /> Project Manager/Sacramento Laboratory <br /> S906330.PCP <1> <br />