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i <br /> 819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-4100 <br /> J www.sequoialabs.com <br /> Kleinfelder-Stockton Project: Del Monte S212260 <br /> 2825 East Myrtle Street Project Number: 12280 Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 02/21/03 11:53. <br /> Gasoline(2-Methylpentane to 1,2,4-Trimethylbenzene) and BTEX by EPA 8015M and 8021B - Quality Contr <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source °/"REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> .Bate h 2120262-EPA 50308 PIT <br /> Blank(2120262-BLK1) _ Prepared&Analyzed: 12/16/02 <br /> Purgeable Hydrocarbons ND 50 ug/I <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 <br /> Surrogate•a,a,a-Triiluorotoluene 10.1 10.0 101 60-140 <br /> Blank(2120262-BLK2) Prepared&Analyzed: 12/17/02 <br /> Purgeable Hydrocarbons ND 50 ug/l <br /> Benzene. ND 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:a,a,a-Trtfluorotoluene 10.1 " 10.0 101 60-140 <br /> Blank(2120262-BLK4) Prepared&Analyzed: 12/20/02 <br /> f Purgeable.Hydrocarbons ND 50 ug/l <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> f Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:a,a,a-Trifluarotoluene 8.97 10.0 90 60-140 <br /> Blank(2120262-BLK5) Prepared&Analyzed: 12/19/02 <br /> ` Purgeable Hydrocarbons ND 50 ugll <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 " <br /> { Xylenes(total) ND 0.50 " <br /> {E Surrogate:a,a,a-Trifluorotoluene 9.31 10.0 93 60-140 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> i 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 8 of 15 <br /> I <br />