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885 Jarvis Drive <br /> Sequoia Morgan Hill,CA 95037 <br /> (aos)774-9600-ssoo <br /> Analytical wwseqFAX(409)792-6308308 <br />' www sequoialabs com <br />' ETIC Engineering Inc-Pleasant Hill(Exxon) Project Exxon 7-3942 MOJ0913 <br /> 2285 Morello Avenue Project Number Exxon 7-3942 Reported <br /> Pleasant Hill CA,94523 Project Manager Ted Moise 11/09/05 15 08 <br />' Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Morgan Hill <br />' Evaluation Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 5J19027-EPA 5030B PIT <br />' Matrix Spike Dup(SJ19027-MSD1) Source MOJ0953-05 Prepared&Analyzed I0/19/05 <br /> 1,2 Dichlorobenzene 576 25 500 ND 115 80-125 3 10 <br />' 1,3 Dichlorobenzene 534 25 500 ND 107 75-120 2 10 <br /> 1,4-Dichlorobenzene 578 25 500 ND 116 75-120 3 15 <br /> Dichlorodifluoromethane 383 25 500 ND 77 60-130 8 20 <br /> 1,1-Dichloroethane 569 25 „ 500 ND 114 55-140 7 20 <br /> 1,2-Dichloroethane 636 25 500 14 124 85-130 3 20 <br />' 1,2-Dtchloroethane 636 25 500 14 124 85-130 3 20 <br /> 1,1-Dichloroethene 542 25 500 ND 108 75-135 8 20 <br /> cis-1,2-Dichloroethene 606 25 " 500 ND 121 85-130 5 10 <br /> 12-Dichloroethene 540 25 500 ND 108 70-130 7 15 <br />' ichloropropane 554 25 500 ND I11 85-115 4 10 <br /> 1,3-Dichloropropane 597 25 " 500 ND 119 85-115 1 10 QC01 <br />' 2,2-Dtchloropropane 702 100 500 ND 140 50-150 9 35 <br /> l,i-Dichloropropene 550 25 500 ND 110 85-125 6 15 <br /> Ethanol 12800 5000 10000 ND 128 70-135 11 35 <br /> Ethyl tert-butyl ether 520 25 500 ND 104 75-130 5 25 <br /> Ethylbenzene 1170 25 500 620 110 75-135 4 15 <br />' Hezachlorobutadtene 550 100 500 ND 110 75-120 5 20 <br /> Isopropylbenzene 526 25 500 44 96 80-135 6 10 <br /> Methyl tert-butyl ether 1520 25 " 500 970 ]to 65-125 2 20 <br />' Methylene chloride 534 25 " 500 ND 107 75-135 3 15 <br /> Naphthalene 860 250 500 200 132 40-150 3 30 <br /> p-Isopropyltoluene 516 25 " 500 15 100 80-140 5 I5 <br />' n-Propylbenzene 652 25 " 500 130 104 75-135 4 15 <br /> Styrene 531 25 500 16 103 85-130 3 10 <br />' 1,1,1,2-Tetrachloroethane 542 25 500 ND 108 85-120 2 15 <br /> 1,1,2,2 Tetrachloroethane 612 25 500 ND 122 70-140 03 20 <br /> Tetrachloroethene 536 25 500 ND 107 85-125 6 15 <br />' Toluene 854 25 500 280 115 85-120 4 20 <br /> �o1a Analytical-Morgan Hill The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis This <br /> analytical report must be reproduced in its entirety <br /> Page 58 of 80 <br />