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From;Dai Walkins SJC•Oakland Dllice Fac:(510)336-9119 Voice:(510)336.9118 To:Harlan Knoll Paye 20 of 21 Friday,July 14,2000 4:60:24 PM <br /> From:Chromal-ab,Inc. To:Dai Watkins Date:7114/00 Time:4:01:52 PM Fax Page 19 of 20 <br /> C H ROMALAB, INC. Submission#. 2000.07.0090 <br /> Environmental Services(SDB) <br /> To: San Joaquin Company, Inc. Test Method: 8020 <br /> 8015M <br /> Attn: Dai Watkins Prep Method: 5030 <br /> Batch OC Report <br /> Gas/BTEX <br /> Laboratory Control Spike(LCS/LCSD) Water QC Batch#2000107111-01.05 <br /> LCS: 2000107111-01,05-002 Extracted: 07/11/2000 08:51 Analvzed; 07/11/2000 08:51 <br /> LCSD: 2000/07/11-01.05-003 Extracted: 07/11/2000 09:24 Analyzed; 07/11/2000 09:24 <br /> Compound Conc_ [ug/L] ExD.Conc. [ug/L] Recovery[%] RPD Ctrl. Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD ["/o] Recovery RPD LCS LCSD <br /> Gasoline 437 450 500 500 87.4 90.0 2.9 75-125 20 <br /> Benzene 93.5 92.8 100.0 100.0 93.5 92.8 0.8 77-123 20 <br /> Toluene 91.4 89.5 100.0 100.0 91.4 89.5 2.1 78-122 20 <br /> Ethyl benzene 93.3 92.1 100.0 100.0 93.3 92.1 1.3 70-130 20 <br /> Xylene(s) 266 264 300 300 88.7 88.0 0.8 75-125 20 <br /> Surragaws) <br /> 4-Bromofluorobenzene 421 442 500 500 84.2 88.4 50-150 <br /> TriNuorotoluene 433 421 500 500 86.5 84.2 58-124 <br /> 4-Bromofluorobenzene-FI 371 380 500 500 74.2 76.0 50-150 <br /> TriFluorotoluene-FID 446 457 500 500 89.2 91.4 58-124 <br /> 1220 Quarry Lane"Pleasanton,CA 94566-4756 <br /> Telephone:(925)484-1919"Facsimile:(925)484-1096 <br /> Printed on:07/14/2000 16:00 Page 12 of 13 <br />