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tSIERRA LABORATORIES INC <br />' Park Environmental Corporation Date Sampled: 12/18/95 <br /> 8084 Old Auburn Road Date Received- 12/20/95 <br />' Citrus Heights, CA 95610 Date Prepared: 12/22/95 <br /> Date Analyzed: 12/22/95 <br /> Sierra Project No.: 9512-146 Analyst: SM <br /> Client Project ID: 5023-1 <br /> Sample Matrix: Water Report Date: 115196 <br />' EPA METHOD 8020-BTEX/ <br /> EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12) <br /> (PURGE AND TRAP) <br /> Concentration, <br /> Method <br /> ' Client Sample No.: SRK-MW 1 SRK-MW2 SRK-MW3 BEI-MW 1 Detection <br /> Limit, <br /> Sierra Sample No.: 11694 11695 11696 11697 p <br /> ' COMPOUNDS: <br /> Benzene ND ND ND 190 05 <br /> Toluene ND ND ND 38 05 <br /> Ethylbenzene ND ND ND 100 05 <br /> Total Xylenes ND ND ND 130 05 <br /> Gasoline Range ND ND ND 7000 50 <br /> Dilution Factor 1 1 1 1,5 QC Limits <br /> ' <br /> % Surrogate Recovery <br /> 1-Chloro-2-Fluorobenzene 1 84 89 81 84 1 60-130 <br /> ' Quality Assurance/Quality Control Data <br /> QC Sample ID: 9512-202-12132 <br /> ' LCS QC Spike Spike Dup QC QC <br /> Compounds % Rec. Limits % Rec. % Rec. Limits RPD Limits <br /> BenLene 88 80-120 94 92 80-120 1 6 0-30 <br /> ' Toluene 88 80-120 100 99 80-120 13 0-30 <br /> Ethylbenzene 93 80-120 105 106 80-120 05 0-30 <br /> Gasoline 187 80-120 198 199 180-120115 0-30 <br /> ' ND means Not Detected <br /> Reporting Limit(RL)=Method Detection Limit(MDL)x Dilution Factor <br /> 1 <br />