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Ci ,ROMALAB NC. Submission #: 1999-07-0487 <br /> Environmental Services(SDB) <br /> To: Earth Systems Consultants Test Method: 8015M <br /> Attn: Jeanne Buckthal Prep Method: 3550/8015M <br /> Batch QC Report <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Laboratory Control Spike (LCS/LCSD) Soil QC Batch # 1999/08/03-02.10 <br /> LCS: 1999/08/03-02.10-002 Extracted: 08/03/1999 09:00 Analyzed: 08/04/1999 12:08 <br /> LCSD: 1999/08/03-02.10-003 Extracted: 08/03/1999 09:00 Analyzed: 08/04/1999 12:40 <br /> Compound Conc. [mg/Kg ] Exp.Conc. [mg/Kg] Recovery[%] RPD Ctrl. Limits[%j Flags <br /> LCS LCSD LCS LCSD LCS LCSD (%I Recovery RPD LCS LCSD <br /> Diesel 32.1 32.5 41.7 41.7 77.0 77.9 1.2 60-130 25 <br /> Surrogate(s) <br /> o-Terphenyl 20.2 22.0 20.0 20.0 101.0 110.0 60-130 <br /> L <br /> Y.i <br /> 1220 Quarry Lane'Pleasanton,CA 94566-4756 <br /> Telephone:(925)484-1919•Facsimile:(925)484-1096 <br /> Printed on:08/06/1999 08:41 Page 5 of 7 <br />