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819 Stoker Avenue,Suite 8 <br /> Sacramento,CA 95834 <br /> Sequoia (916)921-9600 <br /> FAX(916)921-0 100 <br /> Analytical wwwsequolalabs.com <br /> i. Kleinfelder-Stockton Project: Del Monte 5503636 <br /> 12825 East Myrtle Street Project Number: 12280 Reported: <br /> �. Stockton CA,95205 Project Manager: Joe Zilles 04/06/05 19:50 <br /> E <br /> Purgeable Hydrocarbons and BTEX by EPA 8015BI8021B - Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> (Analyte Result Limit Units Level Result %REC lrimits RPD Limit Notes <br /> 3atch 5030448-EPA 5030B(P/T)1 EPA 8015B/8021B <br /> Blank(5030448-BLK1) Prepared&Analyzed:03/25/05 <br /> j rasoline Range Organics(C4-C12) ND 50 ugll <br /> Sienzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbeazene ND 0.50 " <br /> } {ylenes(total) ND 0.50 'I <br /> I Surrogate:4-BFB(FID) 10.5 10.0 105 60-140 <br /> Surrogate:a,a,a-TF7'(P1D) 8.58 10.0 86 60-140 <br /> &Prepared� �a6oratory Control Sample(503044$-BS1) Pre P Analyzed: 03/25/05 <br /> Benzene 9.92 0.50 ugll L0.0 99 70-130 <br /> Toluene 9.81 0.50 10.0 98 70-130 <br /> )enzene 9.98 0.50 '1 10.0 100 70-130 <br /> _(yienes(total) 29.2 0.50 30.0 97 70-130 <br /> Surrogate:4-BFB(FID) 11.0 " 10.0 110 60-140 <br /> f surrogate:a,aa-TFT(PID) 9.03 10.0 90 60-140 <br /> Matrix Spike(5030448-MS 1) Source:5503636-03 Prepared&Analyzed: 03/25/05 <br /> Benzene 9.84 0.50 ug/1 10.0 ND 98 60-140 <br /> Toluene 9.74 0.50 10.0 ND 97 60-140 <br /> 3thylbenzene 9.82 0.50 10.0 ND 98 60-140 <br /> Xylenes(total) 24.3 0.50 30.0 ND 81 60-140 <br /> Surrogate:4-BFB(FID) 10.810.0 108 60-140 <br /> Surrogate:aI,a,a-TFT(P1D) 8.92 10.0 89 60-140 <br /> Matrix Spike Dup(5030448-MSD1) Source:5503636-03 Prepared&Analyzed:03/25/05 <br /> Benzene 9.81 0.50 ug/l 10.0 ND- 98 60-140 0.3 25 <br /> Toluene 9.68 0.50 10.0 ND 97 60-140 0.6 25 <br /> Ethylbenzene 9.79 0.50 10.0 ND 98 60-140 0.3 25 <br /> Xylenes(total) 25.5 0.50 30.0 . ND 85 60440 5 25 <br /> Surrogate:4-BFB(FID) 10.4 10.0 104 60-140 <br /> Surrogate:a,a,a-TFT(P1D) 8.69 10.0 87 60-140 <br /> _-quoia 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 /> s <br /> i <br /> I Page 10 of 14 <br />