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1 <br /> SIERRA LABORATORIES INC <br /> Park Environmental Corporation Date Sampled: 3114195 <br /> 8084 Old Auburn Road, Suite E Date Received: 3116195 <br /> Citrus Heights, CA 95610 Date Prepared: 3120195 <br /> Date Analyzed: 3120195 <br /> ' Sierra Project No.: 9503-093 Analyst: SM <br /> Client Project ID: 5023-J3/Diamond Lumber-Mantela <br /> ' Sample Matrix: Water Report Date: 3/27/95 <br /> EPA METHOD 8020-BTEX/ <br /> ' EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12) <br /> (PURGE AND TRAP) <br /> IF Concentration, pg/1 <br /> Method <br /> Client Sample No : SRK MW-3 SRK MW-1 SRK MW-2 BE 1 MW-1 Detection <br /> Limit, <br /> Sierra Sample No.: 2429 2430 2431 2432 µg/1 <br /> COMPOUNDS: <br /> ' Benzene ND ND ND 110 05 <br /> Toluene ND ND ND 27 05 <br /> Ethylbenzene ND ND ND 53 05 <br /> br Total Xylenes ND ND ND 110 05 <br /> 1 Gasoline Range ND ND ND 2000 50 <br /> ' Dilution Factor 1 1 1 1 QC Limits <br /> ' % Surrogate Recovery <br /> 1-Chloro-2-fluorobenzene 84 92 97 93 60-130 <br /> J' Quality Assurance/Quality Control Data <br /> QC Sample ID: 9503-116-2545 <br /> LCS QC Spike Spike Dup QC QC <br /> ' Compounds % Rec. Limits % Rec. % Rec. Limits RPD Limits <br /> Benzene 90 80-120 86 89 39-150 36 0-30 <br /> ' Toluene 91 80-120 89 92 46-148 35 0-30 - <br /> Ethylbenzene 89 80-120 �88 191 32-160 3 7 0-30 <br /> Gasoline 100 180-120 96 109 150-150 12 0-30 <br /> ' ND means Not Detected <br /> i <br /> Reporting Limit(RL)=Method Detection Limit(MDL)x Dilution Factor <br /> 1 <br />