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i <br /> 819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical rAX(916)921.0100 <br /> www.sequoislabs.com <br /> Kleinfelder-Stockton Project: Del Monte S409276 <br /> 2825 East Myrtle Street Project Number: 12280 Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 09/29/04 20:19 <br /> t <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 4090249-EPA 5030E(PIT) <br /> Blank(4090249-BLK1) Prepared&Analyzed:09/15/04 <br /> Gasoline Range Organics(C4-C12) ND 50 ugA <br /> Benzene ND .0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> ' Surrogate:4-BFB(FID) 9.07 10.0 91 60-140 <br /> Surrogate:a,a,a-TFT(PID) 8.54 10.0 85 60-140 <br /> Blank(4090249-BLK2) Prepared&Analyzed:09/16/04 <br /> Gasoline Range Organics(C4-C12) ND 50 ug/l <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> thylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:4-BFB(FID) 8.65 10.0 86 60-140 <br /> Surrogate:a,a,a-TFT(PID) 8.73 10.0 87 60-140 <br /> Laboratory Control Sample(4090249-BSI) Prepared&Analyzed:09/15/04 <br /> Benzene 9.80 0.50 ug/I 10.0 98 70-130 <br /> Toluene 9,91 0.50 10.0 99 70.130 <br /> Ethylbenzene 9.54 0.50 10.0 95 70.130 <br /> Xylenes(total) 28.6 0.50 30.0 95 70-130 <br /> Surrogate:4-BFB(FIA) 7.45 10.0 74 60-140 <br /> Surrogate:a,a,a-TFT(PID) 10.3 10.0 103 60-140 <br /> Laboratory Control Sample(4090249-BS2 Prepared&Analyzed:09/16/04 <br /> Benzene 11.0 0.50 ug/l 10.0 110 70-130 <br /> Toluene 11.0 0.50 10.0 110 70430 <br /> Ethylbenzene 10.7 0.50 10.0 107 70-130 <br /> Xylenes(total) 32.1 0,50 30.0 107 70-130 <br /> Surrogate:4-BFB(FID) 8.14 H 10.0 81 60-140 <br /> Surrogate.•a,a,a-TFT(PID) 11.3 10.0 113 60-140 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> (( custody document. Unless otherwise staled,results are reported on a wet weight basis. <br /> \. This analytical report must be reproduced in its entirety. <br /> f <br /> Page 5 of 9 <br />