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C H R4 MALAB, INC. Submission # 2000-11=0543 <br /> Environmentat Services(SDB) <br /> .'] To: San Joaquin Company, Inc. Test Method: 8015M <br /> 8020 <br /> Attn: Bernie Dietz Prep Method: 5030 <br /> Batch QC Report <br /> ( Gas/BTEX <br /> I <br /> Laboratory Control Spike (LCS/LCSD) Water QC Batch#2000111/30-01.05 <br /> LCS: 2000111130-01.05-002 Extracted: 11130/200015:51 Analyzed 11/30/200015:51 <br /> LCSD: 2000111130-01.05-003 Extracted: 11/301200016:23 Analyzed 11/30/200016:23 <br /> Compound Conc. [uglL] Exp.Conc. [ug/L] Recovery[%] RPD Ctrl. Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD [%] Recovery RPD LCS LCSD <br /> Gasoline 425 407 500 500 85.0 81.4 4.3 75-125 20 <br /> is <br /> Benzene 102 111 100.0 100.0 102.0 111.0 8.5 77-123 20 <br /> Toluene 96.13 104 100.0 100.0 96.8 104.0 7.2 78-122 20 <br /> Ethyl benzene 94.7 101 100.0 100.0 94.7 101,0 6.4 70-130 20 <br /> Xylene(s) 286 305 300 300 95.3 101.7 6.5 75-125 20 <br /> Surrogate(s) <br /> Trlfluorotoluene 502 524 500 500 100,4 104.8 58-124 <br /> i-i <br /> 4-Bromofluorobenzene-FI 377 359 500 500 75,4 71.8 50-150 <br /> } <br /> i <br /> i <br /> 1220 Quarry LanePleasanton,CA 94566-4756 <br /> Telephone:(925)484.1919 Facsimile:(925)484-1096 <br /> Printed on:12/05/2000 15:02 Page 12 of 15 <br /> h <br />