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From:ON Watkins SJC-Oakland Ofite Fart:(610)3385119 Voice:(610)336-0118 To:Harlan Knoll Page 21 or21 Friday,July 14,20M 4:61:06 PM <br /> From:Chromal-ab,Inc. To:Dai Watkins Date:7114100 Time:4:01:52 PM / Fax Page 20 of 20 <br /> ,/ V <br /> CHROMALAB, INC. Submission#: 2000-07-0090 <br /> Environmental Services(SDS) <br /> To: San Joaquin Company, Inc. Test Method: 8020 <br /> 8015M <br /> Attn.: Dai Watkins Prep Method: 5030 <br /> Batch QC Report <br /> Gas/BTEX <br /> Matrix Spike ( MS 1 MSD Soil QC Batch 0 2000107111-01.04 <br /> Sample ID: PP 2-14 Lab Sample ID: 2000-07-0090.002 <br /> MS: 2000107111-01.04-004 Extracted:07111/200019:36 Analyzed: 07111/200019:36 Dilution: 1.0 <br /> MSD: 2000/07/11-01.04-005 Extracted:07/11/2000 20:03 Analyzed: 07/11/2000 20:03 Dilution: 1.0 <br /> ompound Conc mg rKgExD.Conc. r mq/Kci 1 Recove ry % RPD Ctrl. Limits Flags <br /> MS MSD Sample MS MSD MS I MSD pq Recovery RPD MS MSD <br /> Gasoline 0.361 0.324 NO 0.465 0.466 77.6 69.5 11.0 65-135 35 <br /> Benzene 0.0728 0.0674 ND 0.0929 0.0933 78.4 72.2 8.2 65-135 35 <br /> Toluene 0.0718 0.0670 ND 0.0929 0.0933 77.3 71.8 7.4 65-135 35 <br /> Ethyl benzene 0.0708 0.0663 ND 0.0929 0.0933 76.2 71.1 6.9 65-135 35 <br /> Xylene(s) 0.212 0.200 NO 0.279 0.280 76.0 71.4 6.2 65-135 35 <br /> Surrogates) <br /> Trifluomtoluene 378 345 500 500 75.6 69.0 53-125 <br /> Triftuorotoluene-FID 331 308 500 1 500 1 66.21 61.6 53-125 <br /> 1220 Quarry Lane'Pleasanton,CA 94566-4756 <br /> Telephone:(925)484-1919'Facsimile:(925)484-1096 <br /> Printed on-07/1412000 16:00 Page 13 of 13 <br />