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CHROMALAB, INC. Submission #:,2000-03.0366 <br /> Environmental Services(SDB) <br /> is <br /> To: CH21M Hill-Oakland Test Method: 8015M <br /> 8020 <br /> Attn.: Keith Sheets Prep Method. 5030 }. . <br /> Batch QC Report <br /> Gas/BTEX <br /> Method Blank Water QC Batch All 2000103125-01.05 <br /> M$: 2000103125-01.05-004 Date Extracted: 03/26/2000 07:22 <br /> r <br /> i <br /> Compound Result Rep.Limit Units. Analyzed Flag <br /> Gasoline ND 50 ug/L 03/26/2000 07:22 <br /> Benzene ND 0.5 ug/L 03/26/2000 07:22 <br /> Toluene ND 0.5 ug/L 03/26/2000 07:22 <br /> Ethyl benzene ND 0.5 ug/L 03/26/2000 07:22 <br /> Xylene(s) ND 0.5 ug/L 03/26/2000 07:22 1 <br /> Surrogate(s) <br /> Trifluorotoluene 67.6 58-124 % 03/26/2000 07:22 <br /> 4-Bromofluorobenzene-FID 91.2 50-150 % 03/2612000 07:22 <br /> i <br /> I <br /> 1 <br /> i <br /> V <br /> I <br /> 1220 Quarry Lane`Pleasanton,CA 94566-4756 <br /> Telephone:(925)464-1919'Facsimile:(925)484-1096 <br /> Printed on:osrza�2000 17:17 Page 4 of 6 <br />