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' 885Drive <br /> Sequoia Morgan Hill <br /> CA CA 95037 <br /> (408)776-9600 <br /> r Analytical FAX(408)782-6308 <br />' www sequoialabs coin <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 P/T <br />' Matrix Spike(5J19027-MSI) Source MOJ0953-05 Prepared&Analyzed 10/19/05 <br /> 1,3-Dichloropropane 606 25 500 ND 121 85-115 QCO1 <br />' 2,2-Dichloropropane 766 100 " 500 ND 153 50-150 QMO1 <br /> 1,1 Dichloropropene 582 25 500 ND 116 85-125 <br /> Ethanol 11500 5000 10000 ND 115 70435 <br />' Ethyl tert-butyl ether 548 25 500 ND 110 75-130 <br /> Ethylbenzene 1220 25 500 620 120 75-135 <br /> Hexachlorobutadiene 576 100 500 ND 115 75-120 <br /> lsopropylbenzene 556 25 500 44 102 80-135 <br /> Methyl tert-butyl ether 1550 25 500 970 116 65-125 <br /> Wtilene chloride 552 25 500 ND 110 75-135 <br /> alene 836 250 500 200 I27 40-150 <br /> p-Isopropyltoluene 542 25 500 15 105 80-140 <br /> n-Propylbenzene 682 25 " 500 130 110 75-135 <br /> Styrene 548 25 500 16 106 85-130 <br /> 1,1,1,2-Tetrachloroethane 554 25 500 ND 111 85-120 <br /> 1,1,2,2-Tetrachloroethane 610 25 500 ND 122 70-140 <br /> Tetrachloroethene 572 25 500 ND 114 85-125 <br />' Toluene 893 25 500 280 123 85-120 QM01 <br /> 1,2,3-Tnchlorobenzene 549 25 500 ND 110 70-135 <br /> 1,2 4-Tnchlorobenzene 532 25 500 ND 106 70-130 <br /> 1,1,1-Trichloroethane 618 25 '1 500 ND 124 85-135 <br /> 1,1,2-Tnchloroethane 624 25 500 ND 125 85-120 QMO1 <br /> Trichloroethene 540 25 " 500 ND 108 60-140 <br /> Tnchlorofluoromethane 608 25 500 ND 122 85-130 <br /> 1,2,3-Trichloropropane 600 25 500 ND 120 65-125 <br /> 1,2,4-Tnmethylbenzene 1040 25 500 480 112 85-120 <br /> 13,5-Tnmethylbenzene 627 25 500 91 107 75-130 <br /> Vinyl chloride 486 25 500 ND 97 55-145 <br /> Xylenes(total) 2960 25 1500 1200 117 85-125 <br /> �ola 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 56 of 80 <br />