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t <br /> SIERRA LABORATORIES INC <br /> Park Environmental Corporation Date Sampled. 10/3/95 <br /> 8084 Old Auburn Road Date Received: .1019195 <br /> Citrus Heights, CA 95610 Date Prepared: 10/16/95 <br /> Date Analyzed: 10/16/95 <br /> Sierra Project No.: 9510-054 Analyst: SM <br /> Client Project ID: 5007 72/USA-Stockton <br /> Sample Matrix: Sod Report Date: 10/23/95 <br /> EPA METHOD 8020-BTEX/ <br /> ' EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12) <br /> (PURGE AND TRAP) <br /> Concentration,mg/kg <br /> IB-5-P @ B-5-P @ B-5-P @ B-5-P @ Method <br /> Client Sample No.: 505-51 605-61 705-71 805-81 Detection <br /> Limit, <br /> Sierra Sample No.: 8580 8581 8582 8583 mg/kg <br /> COMPOUNDS: <br /> Benzene ND ND ND ND 0 003 <br /> Toluene ND ND ND ND 0 003 <br /> Ethylbenzene ND ND ND ND 0 003 <br /> Total Xylenes ND ND ND ND 0 003 <br /> Gasoline Range ND ND ND ND 005 <br /> Dilution Factor 1 1 1 1 QC Li nits <br /> %Surrogate Recovery <br /> 1-Chloro-2-fluorobenzene 77 77 1 76 1 81 30-130 <br /> Quality AssurancelQuality Control Data <br /> ' QC Sample ID: 9508-202-70072 <br /> LCS Spike Spike Dup QC QC <br /> Compounds % Rec. % Rec. % Rec. Limits RPD Limits - <br /> ' Benzene 98 88 89 39-150 17 0-30 <br /> Toluene 92 84 83 46-148 0 3 0-30 <br /> Ethylbenzene 89 69 77 32-160 12 0-30 <br /> Gasoline 104 96 92 150-150 ,39 0-30 <br /> ND means Not Detected <br /> ' Reporting Limit(RL)=Method Detection Limit(MDL)x Dilution Factor <br />