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619 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> a- -) (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> www.sequoialabs.com j <br /> Kleinfelder-Stockton Project:Del Monte 5512301 <br /> 2825 Last Myrtle Street Project Number 12280 Reported: <br /> Stockton CA,95205 Project Monagerjoe Zilles 01/05/06 13:17 <br /> Purgeable Hydrocarbons and BTEX by EPA 801513/802113- Quality Control <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result °/"REC Limits RPD Limit Notes <br /> Batch 5120301-EPA 5030B(P/T)/EPA 8015B/8021B <br /> Blank(5120301-BLKI) Pr ared&Analyzed: 12/15/05 <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) 9.91 10.0 99 60-140 <br /> Surrogate:a,a,a-TFT(PID) 10.4 10.0 104 60-140 <br /> Laboratory Control Sample(512030I-BSI) Prepared&Analyzed: 12/15/05 <br /> Benzene 10.4 0.50 ugll 10.0 104 70-130 <br /> Toluene 10.5 0.50 10.0 105 70-130 <br /> Ethylbenzene 10.6 0.50 10.0 106 70-130 <br /> Xylenes(total) 32.7 0.50 30.0 109 70-130 <br /> Surrogate:4-BFB(FID) 10.4 10.0 104 60-140 <br /> Surrogate:a,aa-TFT(PID) 10.8 10.0 108 60-140 <br /> Matrix Spike(5120301-MS1) Source:5512301-01 Prepared&Analyzed: 12/15/05 <br /> Benzene 10.4 0.50 ug/1 10.0 0.189 102 60-140 <br /> Toluene 10.6 0.50 10.0 0,186 104 60-140 <br /> i <br /> Ethylbenzene 10.6 0.50 10.0 0.141 105 60-140 <br /> Xylenes(total) 31,5 0.50 30.0 ND 105 60-140 <br /> Surrogate:4-BFB(FID) 10.8 10.0 108 60-140 <br /> Surrogate:a,a,a-TFT(PID) 10.4 10.0 104 60-140 <br /> Matrix Spike Dup(5120301-MSDl) Source:5512301-01 Prepared&Analyzed: 12/15/05 <br /> Benzene 10.3 0,50 ugll 10.0 0.189 101 60-140 1 25 <br /> Toluene 10.4 0.50 " 10.0 0.186 102 60-140 2 25 <br /> Ethylbenzene 10.5 0.50 10.0 0.141 104 60-140 0.9 25 <br /> Xylenes(total) 30.4 0.50 30.0 ND 101 60-140 4 25 <br /> Surrogate:4-BFB(FID) 11.4 10.0 114 60-140 <br /> ! Surrogate:a,a,a-TFT(PID) 10.4 10.0 104 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 analylical report mull be reproduced in its entirety. <br /> Page 8 of 12 <br />