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f <br /> 819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921.9600 <br /> Analytical PAX(916)921-0100 <br /> f <br /> J www.segLtoiatabs.com <br /> Kleinfelder-Stockton Project: Del Monte 5212260 <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 %R EC Limits RPD Limit Notes <br /> I .. <br /> Batch 21.20331 -EPA 5030B(P/T) <br /> Blank(2120331-BLK3) Prepared&Analyzed: 12/20/02 <br /> Purgeable Hydrocarbons ND 50 ug/1 <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-71'iuorotoluene 8.97 10.0 .90 60-140 <br /> Blank(2120331-BLK4) Prepared&Analyzed: 12/21/_02 <br /> Purgeable Hydrocarbons ND 50 ugh <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 <br /> i Xylenes(total) ND . 0.50 " <br /> Surrogate:a a,a-Trifluorotoluene. 10.7 10.0 107 60-140 <br /> Laboratory Control Sample(2120331-BSI) _ Prepared&Analyzed: 12/18/02 <br /> Benzene 10.1 T 0.50 ugll 10,0 101 70-130 <br /> Toluene 10.3 0.50 10.0 103 70-130 <br /> Ethylbenzene 10.2 0.50 10.0 102 70-130 <br /> Xylenes(total) 30.3 0.50 30.0 101 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene 11.3 10.0 113 60.140 <br /> Laboratory Control Sample 2120331-BS2) Prepared&Analyzed: 12/19/02 <br /> Benzene 9.80 0.50 ug/t 10.0 98 70-130 <br /> Toluene 9,99 0.50 10.0 i00 70-130 <br /> Ethylbenzene 9.88 0.50 10.0 99 70-130 <br /> Xylenes(total) 29.0 0.50 30.0 97 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene 10.4 " 1010 104 60-140 <br /> { <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 /> i <br /> I <br /> I Page 11 of 15 <br />