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Sequoia 819 Striker Avenue,.54 <br /> Sacramento,CA95858 34 <br /> (916)921-9600 <br /> FAX(916)921-0100 <br /> { Analytical vwvw.sequoialabs.com <br /> Kieinfelder-.Stockton Project: Del Monte. 5303180 <br /> 2825 East Myrtle Street Project Number: 12280 Reported, <br /> Stockton CA,95205 Project Manager: Joe Zilles 03/21/03 15:30 <br /> Gasoline (2-Methylpentane to 1,2,4-Trimethylbenzene) and BTEX by EPA 8015M and 8021B.- Quality Coutlr <br /> Sequoias Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit i+lotes <br /> Batch 3030195-EPA 3030B(P/T) <br /> Blank(3030195-13LK5) Prepared&Analyzed: 03/19/03 <br /> Purgeable kydrocarbons ND 50 ug/1 <br /> Benzene ND 0.50 <br /> Toluene Nle 0.50 <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate.-a,a,a-TriJluarotoluene 8.54 10,0 _ 85 60-140 <br /> Laboratory Contro_I Sample(3030195-BSI) Prepared&Analyzed:03/14/03 . <br /> Benzene .9.40 0.50 ug/l 1010 94., 70-130 <br /> Toluene 9.33 0.50 A10.0 93 70-130' <br /> Ethylbenzene 9.16 0.50 10.0 92 70-130 <br /> ,nes(total) . 27.8 =0.50 30.0 93 70-130 <br /> Surrogate:a,a,a-Trifluorotaluene 9.38 " . 10.0 94 60-140 <br /> Laboratory Control Sample(3030195-BS2) Prepared&Analyzed:03/15/03 <br /> Benzene 9.26 0.50 ug11 10.0 93 . 70-130 . <br /> Toluene 8.97 0.50 10.0 90 70-130 <br /> Ethylbenzene 8.94 0.50 10.0 89 70-130 <br /> Xylenes(total) 27.2 0.50 30.0 91 70-130 <br /> Surragalei a,a,a-Trifluorotoltiene 9.05 10.0 90 60-140 . <br /> Laboratory_Control Sample(3030195-BS3) Prepared&Analyzed:03/17/03 <br /> Benzene 9.01 0.50 ug/l 10.0 .90 70-130 <br /> Toluene 8.87. 0.50 10.0 89 70-130 <br /> Ethylbenzene 8.72 0.50 10.0 87 70-130 <br /> Xylenes(total) 26.5 0.50 30.0 88 70-130 <br /> Surrogate:a,a,a-Trifluorololuene 8.87 10.0 89 60-140 <br /> f .• <br /> auoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> i <br /> custody document. This analytical report must be reproduced!a its entirety. <br /> Page 8 of I I <br />