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819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento.92 95834 <br /> 4 (916)921-96(10 <br /> - - Analytical www.sequolatabs.com(916)9210100 <br /> ww.sequolatabs.com <br /> Kleinfelder Stockton Project: Del Monte 5508707 <br /> 2825 East Myrtle Street Project Number: N/A Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 09/15/05 16.23 <br /> Purgeable Hydrocarbons and BTEX by EPA 8015B18021B - Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Anaiyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 5090098-EPA 5030B PIT /EPA 8015B/8021B <br /> Blank(5090098-BLKI) Prepared&Analyzed:09/08/05 <br /> Gasoline Range Organics(C4-C12) ND 50 ugll <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) 7.25 10.0 72 60-140 <br /> Surrogate:a,a,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 ug11 <br /> Benzene ND 0.50 " <br /> ,ene ND 0.50 " <br /> �Ldylbenzene 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,2-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 /> Fthylbenzene 8.90 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/1 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,aa-TFT(PID) 9.53 10.0 95 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 /> Page 5 of 9 <br />