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i <br /> Sequoia819 Stoker Avenue,Suit958 3 <br /> Sacramento.CA 9S� t <br /> 4 <br /> (916)921-96LJ <br /> Analytical FAX(916)921 0100 <br /> FAX <br /> i <br /> Kleinfelder-Stockton Project: Del Monte 5509077 <br /> 2825 East Myrtle Street Project Number: N/A Reported: <br /> Stockton CA,95205 Project Manager: ,toe Zilles 09/16/05 11:18 <br /> i ' <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 Unils Level Result %REC Limits RPD Limit Notes <br /> Batch 5090098-EPA 50308 (P/T1 EPA 8015B/8021B <br /> Blank(5090098-BLKI) Prepared&Analyzed:09/08/05 <br /> Gasoline Range Organics(C4-C12) ND_ 50 ug/I <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 h <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:4-BFB(FID) 7.25 10.0 72 60-140 <br /> Surrogate:ga,a-TFT(PID) 9.56 10.0 96 60-140 <br /> Blank(5090098-BLK2) Prepared&Analyzed:09/09/05 <br /> Gasoline Range Organics(C4-C12) ND 50 ugA <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50, " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:4-BFB(FID) 6.89 10.0 69 60-140 <br /> Surrogate:a,a,a-TFT(PID) 8.42 10.0 84 60-140 <br /> Laboratory Control Sample(5090098-BSI) Prepared&Analyzed:09/08/05 <br /> Benzene 9.11 0.50 ug/l 10.0 91 70-130 <br /> Toluene 8.83 0.50 10.0 88 70-130 <br /> Ethylbenzene 6.90 0.50 10.0 89 70-130 <br /> Xylenes(total) 26.2 0.50 30.0 87 70-130 <br /> Surrogate:4-BFB(FID) 8.19 10.0 82 60-140 <br /> Surrogate:a,a,a-TFT(PID) 8.83 10.0 88 60-140 <br /> Laboratory Control Sample(5090098-BS2) Prepared&Analyzed:09/09/05 <br /> Benzene 9.74 0.50 ug/I 10.0 97 70-130 <br /> Toluene 9.57 0.50 10.0 96 70-130 <br /> Ethylbenzene 9.43 0.50 10.0 94 70-130 <br /> Xylenes(total) 27.9 0.50 30.0 93 70-130 <br /> Surrogate:4-BFB(FID) 7.76 10.0 78 60-140 <br /> Surrogate:a,a,a-TFT(PID) 9.53 10.0 95 60-140 <br /> � I <br /> Sequoia Analytical- Sacramento The results in this report apply to the samples analyzed in accordance with the c <br /> custody document. Unless otherwise stated,results are reported on a wet weight <br /> This analytical report must be reproduced in its entirety. <br /> Page 6 of 1 i <br />