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I <br /> 819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> mqWAnalytical (916)921.9600 <br /> , FAX(916)921-0100 <br /> www.sequoialabs.com <br /> Kleinfelder-Stockton Project: Del Monte S409293 <br /> 2825 East Myrtle Street Project Number: 12280 Reported- <br /> Stockton CA,95205 Project Manager: Joe Zilles 09/29/04 19:13 <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 50308(PIT) <br /> Blank4090249-BLKI) Prepared&Analyzed:09/15/04 <br /> Gasoline Rang_a Organics(C4-C12) ND 50 ugll <br /> Benzene ND 0.50 i <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> i <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/I <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> j 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-BSS) Prepared&Analyzed:09/15/04 <br /> Benzene 9.80 0.50 ug/l 10.0 98 70.130 <br /> Toluene 9.91 0.50 " Will 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/I 10.0 110 70-130 <br /> Toluene 11.0 0.50 10.0 110 70-130 <br /> I <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 " 10.0 81 60-140 <br /> Surrogate;a,aa-TFT(PID) 11.3 " 10.0 113 60-140 <br /> i <br /> i <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 stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 7 of 11 <br />