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8,19 Striker Avenue,Suite 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-96M <br /> • FAX(916)921-0100 <br /> Analytical <br /> wtww.sequofalabs.cotn <br /> Kleinfelder-Stockton Project: Del Monte 5303180 <br /> 2825 East Myrtle Street Project Number: L2280. 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 8021E - Quality Contlr <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limii Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3030195-EPA 5030B(P/F) <br /> Laboratory Control Sample(3030195-BS4) Prepared&Analyzed:03/18/03 <br /> Benzene 9.45 . 0.50 ugtl 10.0 94 70-130 . <br /> Toluene 9.59 0.50 10.0 96 70-150 <br /> Ethylbenzene 9.18 0.50 10.0 92 70-130 <br /> Xylenes(total} 28.1 0.50 30.0 94 70-130 <br /> Surrogate:a,a,a-TriJluorotoluene 9.27 10.0 93 60-140 <br /> Laboratory Control Sample 3030195-BS5) Prepared&Analyzed:03/19/03 <br /> Benzene 9.76 - 0.50 ug/I 10.0 T 98 70-130 <br /> Toluene 9.56 0.50 10.0 96 70-130 <br /> Ethylbenzene 9.43 0.50 10.0 94 70-130 <br /> "vlenes(total) 28.9 0.50 30.0 96 70-130 <br /> rogate:a,a,a-Trifluorotoluene 9.-71 „ 10.0 97 60-140 <br /> Matrix Spike(3030195-MSI) Source: 5303180-04 Prepared&Analyzed:03/15/03 <br /> Benzene <br /> 9.50 0.50 ugll 10.0 ND 95 60-140 . <br /> Toluene 9.41 0.50 10.0 ND 94 60-140 <br /> Ethylbenzene .9.18 0.50 10.0 ND 92 60-140 <br /> Xylenes(total) 27.9 0.50 30.0 ND 93 60-140 <br /> Surrogate:a.a,a-Trifluorotoluene 9.40 " 10.0 94 60-140 . <br /> _Matrix Spike Dup_(3030I95MSDI) Source:53.03180-04 Prepared&Analyzed: 03/15/03_ <br /> Benzene 9.05 0.50 ug/l 10.0 NO. 90 60-140 5 25 <br /> Toluene 8.93 0.50 10.0 ND 89 60-140 5 25 <br /> Ethylbenzene .8.71 0.50 10.0 ND 88 60-140 5 25 <br /> Xylenes(total) 26.8 0.50 30.0 ND 89 60-140 4 25 <br /> Surrogate:a,a,a-Tris luorotoluene 8.89 10.0 89 60-140 <br /> f <br /> -equoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 9 of 11 <br />