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819_Striker Avenue,Suite 8 <br /> 5834 <br /> TesU�merica- Sacramento, 92 99600(916)921-9600 <br /> FAX(916)921-0100 <br /> ptJALYLICAI-rt:5TltdG GS?RPQRA314N <br /> FAX <br /> testameri cain c.com <br /> Blaine Tech Services(Shell) Project: 341 East Main Street,Ripon SQC0333 <br /> 1680 Rogers Avenue Project Number: 98995874 Reported: <br /> San Jose CA,95112 Project Manager: Jason Brown 04/09/07 12:28 <br /> Volatile Organic Compounds by EPA'.Method 8260B ' Quality Control <br /> TestAmerica-Morgan Hill, CA <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result °/eREC Limits RPD Limit Notes <br /> Batch X31004-EPA 5030B P/T/EPA 8260B <br /> Matrix Spike(7C31004-MSI) Source:SQC0333-02 Prepared&Analyzed:03/31/07 <br /> Benzene 9.68 0.50 ug/l 10.0 ND 97 75-120 <br /> Toluene 9.15 0.50 10.0 ND 92 75-120 <br /> Ethylbenzene 9.81 0.50 10.0 ND 98 75-120 <br /> Xylenes(total) 28.8 0.50 30.0 ND 96 75-120 <br /> Methyl tert-butyl ether 8.99 0.50 10.0 ND 90 50=140 <br /> Di-isopropyl ether 8.42 0.50 10.0 ND 84 70-130 <br /> Ethyl tert-butyl ether 8.86 0.50 10.0 ND 89 65-130 <br /> tert-Amyl methyl ether 9.75 0.50 10.0 ND 98 65-135 <br /> tert-Butyl alcohol 179 20 200 ND 90 60-135 <br /> 1,2-Dichloroethane 8.44 .0.50 10.0 ND 84 70-125 <br /> 1,2-Dibromoethane(EDB) 9.32 0.50 10.0 'ND d93 80435 <br /> Ethanol 133 100 200 ND 66 15-150 <br /> Surrogate:Dibromofluoromethane 2.39 2.50 96 75-110 <br /> Surrogate:1,2-Dichloroethane-d4 2.17 2.50 '87 75-120 <br /> Surrogate:Toluene-d8 2.34 2.50 94 80.120 <br /> Surrogate:4-Bromofluorobenzene 2.46 1.50 .98 60=135 <br /> Matrix Spike Dup(7C31004-MSD1) Source:SQC0333-02 Prepared&Analyzed:03/31/07 <br /> Benzene 11.4 0.50 ug/I 10.0 ND 114 75-120 16 20 <br /> Toluene 10.7 0.50 10.0 ND 107 75-120 16 25 <br /> Ethylbenzene 11.5 0.50 10.0 ND 115 75=120 16 20 <br /> Xylenes(total) 34.0 0.50 30.0 ND 113 75-120 17 20 <br /> Methyl tert-butyl ether 11.2 0.50 10.0 ND 112 50-140 22 25 <br /> Di-isopropyl ether 10.2 0.50 10.0 ND 102 70-130 19 25 <br /> Ethyl tert-butyl ether 10.7 0.50 10.0 ND 107 65-130 19 25 <br /> tert-Amyl methyl ether 12.0 0.50 1-0.0 ND 120 65-135 21 25 <br /> tert-Butyl alcohol 210 20 200 ND 105 60-135 16 25 <br /> 1,2-Dichloroethane 10.2 0.50 10.0 ND 102 70-125 19 25 <br /> 1,2-Dibromoethane(EDB) 11.6 0.50 10.0 ND 116 80-135 22 30 <br /> Ethanol 155 100 200 ND 78 15-150 15 25 <br /> Surrogate:Dibromofluoromethane 2.39 2.50 96 75-120 <br /> Surrogate:1,2-Dichloroethane-d4 2.26 2.50 90 75-120 <br /> Surrogate:Toluene-d8 .2.40 2.50 96 80-120 <br /> Surrogate:4-Bromofluorobenzene 2.43 2.50 97 60-135 <br /> TestAnlerica-Sacramento,CA 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. <br /> This analytical report must be reproduced in its entirety. <br /> Page 20 of 23 <br />