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rSIERRA LABORATORIES INC <br />' Park Environmental Corporation Date Sampled: 9125195 <br /> i 8085 Old Auburn Road, Suite E Date Received: 9129195 <br />' Citrus Heights, CA 95610 Date Prepared: 10/8195 <br /> Date Analyzed: 10/8195 <br /> Sierra Project No.: 9509-188 Analyst: SM <br /> Client Project ID: 5007-J2/USA Stockton <br /> Sample Matrix: Soil Report Date: 10/20/95 <br /> EPA METHOD 8020-BTEX/ <br /> ' EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12) <br /> (PURGE AND TRAP) <br /> Concentration, mg/kg <br /> B-6-P @ B-6-P @ B-6-P @ B-6-P @ Method <br /> Client Sample No.: 50 5'-51 0' 60 5'-610' 70 5'-7I 0' 80 5-81 0' Detection <br /> ' Limit, <br /> Sierra Sample No.: 8265 8266 8267 8268 mg/kg <br /> COMPOUNDS: <br /> Benzene ND ND ND ND 0 043 <br /> Toluene 00032 00043 ND ND 0 003 <br /> Ethylbenzene ND ND ND ND 0 003 <br /> Total Xylenes ND ND ND ND 0 003 <br /> 1 Gasoline Range ND ND ND ND 05 <br /> Dilution Factor 1 1 1 1 QC Limits <br /> ' % Surrogate Recovery <br /> 1-Chloro-2-fluorobenzene 83 80 85 92 30-130 <br /> ' Quality Assurance/Quality Control Data <br /> QC Sample ID: 9509-188-8268 <br /> LCS QC Spike Spike Dup QC QC <br /> ' Compounds % Rec. Limits % Rec. % Rec. Limits RPD Limits <br /> Benzene 94 80-120 86 94 39-150 97 0-30 <br /> ' Toluene 88 80-120 80 88 46-148 10 0-30 <br /> Ethylbenzene 85 80-120 76 84 32-160 11 0-30 <br /> Gasoline 100 80-120 87 86 50-150 0 6 0-30 <br /> ' ND means Not Detected <br /> Reporting Limit(RL)=Method Detection Limit(MDL)x Dilution Factor <br />