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SIERRA I ASORATORiES INC <br /> � <.GHH Englneermg,;)rIIC <br /> Date Sampled 1077/97 <br /> I <br /> 8084.01d.:" Auburn RoaM.d <br /> Cstrus;Heights, CA`: 9SS14 . <br /> :Date �ved <br /> Rec <br /> : e 1019197 <br /> >� 'Date Prepared l0/10197. <br /> Date AnaIyzecl 1010/97 <br /> Sierra Pro,ert No 971`0 087,; <br /> Aa <br /> alY SM <br /> CLelxt Pra3ecf IED 5059 8/USA465-Lodi <br /> Sample Matrix Soil <br /> Report;Date 10/I5/97 , <br /> EPA METHOD 8020-BTEX/ <br /> EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12)(PURGE AND TRAP) <br /> `' :: Concentratzbn m - <br /> - Metfiod <br /> Cl�ertt Sample No l l-EXC 12-EXC 13-EXC 14-EXC Detection <br /> Sierra Sample No 17774 17775 17776 17777 uiglkg <br /> COMPOUNDS <br /> Benzene ND 1.1 0.0060 5.5 <br /> 0 003 <br /> Toluene 0.0040 120 ND 77 0::003 <br /> Ethylbenzene ND 72 0.0035 76 0 n03 <br /> Total Xylenes 0.020 400 0.0040 520 0:003 <br /> MTBE 0.079 ND 0.92 ND <br /> Ga <br /> s©lme fan e <br /> g 0.63 3800 <br /> O.I <br /> 3 7200 Q05 <br /> Ddufton Factor Z 1000 1 1000 QC Lm�its <br /> � Surrogate Recovery .,< ' <br /> 4Bromofluaro6enzene 110 120 1I0 120 30430 <br /> Anality AssurancetQuaty Control.Data <br /> QCSample YD 9?f094 I3L <br /> LCS QC Spike Spike Dup IQC QC <br />` Compounds % Ree. Limits % Rec. % Rec. Limits RPD Limits <br /> Benzene 105 80-120 80 78 39-150 3.2 0-30 <br /> Toluene 102 80-120 78 81 46-148 4.1 0-30 <br /> Ethylbenzene 102 80-120 80 81 32-160 1.6 0-30 <br /> Gasoline 105 80-120 100— 116 50-150 15 0-30 <br /> ND means Not Detected <br /> E, <br /> Reporting Limit(RL) = Method Detection Limit(MDL) x Dilution Factor <br />