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PROJECT NAME: PRECISION JOB NO.: <br /> LODI FOOD AND LIQUOR E940478 <br /> 20-0166 <br /> Date Received: Date Reported: <br /> July 14, 1994 July 21, 1994 <br /> Matrix/Sample Description: <br /> 4 soil samples; received chilled. <br /> ANALYTICAL QUALITY CONTROL REPORT <br /> Method 8020: BTEX <br /> Sample ID: QC Batch No.: Units: <br /> 12811-12813 GC1-396 µg/Kg (ppb) <br /> Method Blank / Laboratory Control Standard <br /> Compound Method LCS LCS QC Limits <br /> Blank Sample Amount % Rec Rec <br /> Conc. Spiked <br /> Benzene ND 9.4 10 94 80-120 <br /> Toluene ND 9.9 10 99 80-120 <br /> Ethyl Benzene ND 9.7 10 97 80-120 <br /> Total Xylene ND 17.7 20 86 80-120 <br /> Matrix Spike / Matrix Spike Duplicate <br /> Sample ID: 12811 <br /> Compound Sample Amount Spike Dup RPD QC Limits QC Limits <br /> Conc. Spiked % Rec % Rec RPD Rec <br /> Benzene ND 10 85 82 3.6 25.0 80-120 <br /> Toluene ND 10 84 80 4.9 25.0 80-120 <br /> Precision Environmental Laboratories <br /> 61 ENVIRONMENTAL • GEOSYNTHETIC TESTING <br />