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f' <br /> 819 Striker Avenue,Suite a <br /> Sequoia Sacramento;CA 95834 <br /> (916)921-9600 <br /> FAX(916)921-0100 <br /> Analytical www,seguolalabs.com <br /> i <br /> Kleinfelder-Stockton Project: Del Monte S311232 <br /> 2825 East Myrtle Street Project Number: 12280 Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 11/24/03 15:06 <br /> Purgeable Hydrocarbons and BTEX by EPA 8015B/8021B - Quality Control ` - <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC ' RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3110219-EPA 5030B P/T <br /> Laboratory Control Sample(3110219-BSI) Prepared&Analyzed: 11/14/03 <br /> Benzene 10.8 0.50 Ug/1 10.0 108 70-130 <br /> roluene 11.0 0.50 10.0 110 70-130 <br /> Ethylbenzene 10.9 0.50 10.0 109 70-130 <br /> Xylenes(total) 30.1 . 0.50 30.0 100 70-130 <br /> Surrogate:a,a,a-TriJluorotoluene 12.5 10.0 125 60-140 <br /> Laboratory Control Sample(3110219-BS2) Prepared&Analyzed: 11/17/03 <br /> Benzene 10.9 0.50 ug/1 10.0 109 70-130 <br /> roluene 11.3 0.50 10.0 113 70-130 <br /> Ethylbenzene 11.3 0.50 10.0 113 70-130 <br /> Xylenes(total) 31.4 0.50 30.0 105 70-130 <br /> gate:a,a,a-Tris luorotoluene 11.9 10.0 119 60-140 <br /> Lat)oratory Control Sample(3110219-BS3) Prepared&Analyzed: 11/18/03 <br /> Benzene 10.4 0,50 ug/l 10.0 104 70-130 <br /> Toluene 10.7 0.50 " 10.0. 107 70-130 <br /> :thylbenzene 10.5 0.50 10.0 105 70-130 <br /> Xylenes(total) 29.6 0.50 30.0 99 70-130 <br /> Surrogate.'a,a,a-Trifluorotoluene 11.4 10.0 114 60-140 <br /> Laboratory Control Sample(3110219-BS4) Prepared&Analyzed: 11/19/03 <br /> Benzene 9.87 0.50 ug/1 10.0 99 70-130 <br /> Toluene 10.2 0.50 10.0 102 70-130 <br /> dthylbenzene 10.1 0.50 10.0 101 70-130 <br /> Xylenes(total) 29.2 0.50 30.0 97 70-130 <br /> Surrogate:a,a,a-Trlfluorotoluene 10.8 10.0 108 60-140 <br /> Matrix Spike(3110219-MS1) Source:S311232-06 Prepared&Analyzed: 11/14/03 <br /> Benzene 11.1 0.50 ug/I 10.0 ND 111 60A40 <br /> .Toluene. 12.0 0.50 10.0 ND 120 60-140 <br /> Ethylbenzene 11.9 0.50 10.0 ND 119 60-140 <br /> Xylenes(total) 33.3 0.50 30.0 ND 111 60-140 <br /> Surrogate:a,a,a-Tr•j?uorotoluene 12.8 10.0 128 60-140 <br /> i <br /> I <br /> 1, .soia Analytical-Sacramento 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 /> i <br /> Page 8 of 11 <br />