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CHROMALAB, INC. Submission M2000-12-0334 <br /> Environmental Services(SDB) <br /> To: P.G.& E-SF Environmental Support& Services [ Test Method: 8260A <br /> Attn: Gary Pforr Prep'Method: 5030 <br /> Batch QC Report <br /> ' MTBE-Volatile Organics by GC/MS <br /> i <br /> Laboratory Control Spike (LCS/LCSD) Soil QC Batch #2000/12116-V1.27 <br /> r LCS: 2000/12/18-V1.27-007 Extracted: 12/18/200016:45 Analyzed 12/18/200016:45 <br /> LCSD: 2000112/18-V1.27-008 Extracted: 12/18/2000 17:24 Analyzed 12/18/2000 17:24, ! <br /> li Ij. <br /> i <br /> E Compound Conc. [ug/Kg] Exp.Conc. [ug/Kg j Recovery[%] RPD Ctrl.Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD I�[%] Recovery RPD LCS LCSD II <br /> MTBE 117 111 100.0 100.0 117.0 ',�111.0 15.3 65-165 20 <br /> Surrogate(s) <br /> 1,2-Dichloroethane-d4 504 497 500 500 100.8 99.4 70-121 <br /> I <br /> k <br /> 1 1 <br /> i <br /> I <br /> I {F <br /> i <br /> i <br /> i <br /> i <br /> T <br /> L . <br /> i 1220 Quarry LanePleasanton,CA 94566.4756 <br /> Telephone:(925)484-1919'Facsimile:(925)'484-1096 <br /> Printed on:12/19/2000 11:40 Page 10 of 12 <br /> i <br />