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From:Dal Watkins SJC-Oakland Office Fax:(51013M.9119 Voice:(610)3339419 To:Harlan Knoll Page 9 of21 Friday,July 14,20M 4:42:47 PM <br /> From:ChromaLab,Inc. To:Dai Watldns Date:7/14100 Time:4:01:52 PM Fax Page 7 of 20 <br /> `/ N./ <br /> C H ROMALAB, INC. submission t 2000.07.0090 <br /> Environmental Services(SDB) <br /> To: San Joaauin Comoanv. Inc. Test Method: 82508 <br /> Attn: Dai Watkins PreD Method: 82508 <br /> Batch OC Report <br /> Fuel Oxygenates by 8260E <br /> Laboratory Control Spike(LCSILCSD) Water QC Batch#2000107111-0'1.27 <br /> LCS: 2000107111-01.27-002 Extracted: 071111200016:57 Analyzed 071111200016:57 <br /> LCSD: 2000/07/11-01.27-003 Extracted: 07/11/200017:29 Analvzed: 07/11/200017:29 <br /> Compound Conc. [ug/L] Exp.Conc. [ug/L] Recovery[%] FFD Ctrl. Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD [%] Recovery RPD LCS LCSD <br /> Methyl tart-butyl ether 46.6 46.2 50.0 50.0 93.2 92.4 0.9 65-165 20 <br /> Surrogaws) <br /> 12-Dichloroethane-d4 405 476 500 500 97.0 95.2 76-114 <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 5 c f 5 <br />