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t <br /> a- -) (916)Sequoia 819$ento,Cker Ve5834 Saccamcofo,CA 45834921-9600 <br /> Analytical FAX(916)921.0100 <br /> www.sequoialabs.com <br /> Kleinfelder-Stockton Project:Del Monte 5506462 <br /> 2825 East Myrtle Street Project Number;12280 Reported: <br /> Stockton CA,95205 Project Manager:Joe Zilles 07/07/05 16.49 <br /> Purgeable Hydrocarbons and BTEX by EPA 8015B/8021B- Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %RBC Limits RPD Limit Notes <br /> Batch 5060358-EPA 50308 PIT EPA 801SB/802.1B <br /> Blank(5060358-BLKI) Pr ared&Analyzed:06/23/05 <br /> Gasoline Range Organics(C4-C)2) ND SO ug/I <br /> 1 <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> i Xylenes(total) ND 0,50 " <br /> ! Surrogate,4-BFB(FID) 12.1 10.0 121 60-140 <br /> Surrogate:a,a,a-TFT(PID) 8.77 1010 88 60-140 <br /> Laboratory Control Sample 5060358-BSI.) Pr ared&Anal ed:06/2.3/05 <br /> Benzene 10.3 0.50 ug11 10.0 103 70-130 <br /> Toluene 9.79 0.50 10.0 98 70-130 <br /> Ethylbenzrne 9.86 0.50 10.0 99 70-130 <br /> Xylenes(total) 28.9 0.50 30.0 96 70-130 <br /> Surrogate:4-BFB(FID) 10.4 iao 104 60-140 <br /> Surrogate:aa,*-TFT(PID) 9.28 10.0 93 60-140 <br /> I <br /> Matrix Spike(5060358-MSI) Source;5506462-01 Prepared&Analyzed:06/23/05 <br /> Aenzene 9,97 0.50 ug/l 10.0 ND 100 60-140 <br /> Toluene 9.63 0.50 " 10.0 ND 96 60-140 <br /> } Ethylbenzeno 9.74 0.50 10.0 ND 97 60-140 <br /> } Xylem$(total) 28.7 0.50 3010 ND 96 60-140 <br /> Surrogate:4-BFB(Fila) 10.9 10.0 109 60-140 <br /> Surrogate:a,a,a-TFT(PID) 9.14 H 10.0 91 60-140 <br /> Matrix Spike Du (5060358-MSAI) Source:$506462-01 Pr ared&Analyzed:06/23/05 <br /> Benzene 10.2 0.50 ugll 10.0 ND 102 60-140 2 25 <br /> Toluene 9.55 0.50 " 10.0 ND 96 60-140 0.8 25 <br /> Ethylbenzene- 9.68 0.50 10.0 ND 97 60-140 0.6 25 <br /> Xylenes,(total) 28.5 0.50 30.0 ND 95 60-140 0.7 25 <br /> Surrogate:4-BFB(FID) 10.7 10.0 107 60-140 <br /> Surrogate:a,a,a-TPT(PID) 9.47 10.0 95 60-140 <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 stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> 4 <br /> Page 6 of 8 <br /> 1 <br /> i <br />