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819 Striker Avenue,Suite 8 <br /> 5834 <br /> Sequoia <br /> Sacramento, <br /> 9Z 199600 <br /> FAX(916)9Z 1-0 100 <br /> Analytical www.sequoialabs.com <br /> • <br /> Upgradient-Valley Springs Project. Kwikee Foods S211482 <br /> 336 Augusta Court Project Number: NIA Reported: <br /> Valley Springs CA,95252 Project Manager: Vic Cherven 12/06/02 16:36 <br /> Total Purgeable Hydrocarbons and BTEX by DHS LUFT - 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 2110394-EPA 5030B PIT) <br /> Laboratory Control Sample(2110394-BS2) Prepared&Analyzed: 11/26/02 <br /> Benzene 9.39 0.50 ug/l 10.0 94 70-130 <br /> Toluene 8.47 0.50 10.0 85 70-130 <br /> Ethylbenzene 8.57 0.50 10.0 86 70-130 <br /> Xylenes(total) 26.4 0.50 30.0 88 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene 9.87 10.0 99 60-140 <br /> Laboratory Control Sample(2110394-BS3) Prepared&Analyzed: 12/04/02 <br /> Benzene 9.34 0.50 ug/l 10.0 93 70-130 <br /> Toluene 8.95 0.50 10.0 90 70-130 <br /> Ethylbenzene 8.30 0.50 10.0 83 70-130 <br /> Xylenes(total) 25.5 0.50 30.0 85 70-130 <br /> �gnte. a,a,a-Trifluorwoluene 10.5 10.0 105 60-140 <br /> Matrix Spike(2110394-MS1) Source: S211459-05 Prepared&Analyzed: 11/25/02 <br /> Benzene 7.65 0.50 ug/l 10.0 ND 76 60-140 j <br /> Toluene 6.97 0.50 10.0 ND 70 60-140 <br /> Ethylbenzene 7.59 0.50 10.0 ND 76 60-140 <br /> Xylenes(total) 23.0 0.50 30.0 ND 77 60-140 <br /> Surrogate:a,a,a-Trifluorotoluene 9.79 10.0 98 60-140 <br /> Matrix Spike Dup(2110394-MSDI) -Source: S211459-05 Prepared&Analyzed: 11/25/02 <br /> Benzene 7.03 0.50 ug/1 10.0 ND 70 60-140 8 25 <br /> Toluene 6.12 0.50 10.0 ND 61 60-140 13 25 <br /> Ethylbenzene 6.98 0.50 10.0 ND 70 60-140 8 25 <br /> Xylenes(total) 21.3 0.50 30.0 ND 71 60-140 8 25 <br /> Surrogate:a,a,a-Trifluorotoluene 9.85 oo_ 10.0 98 60-140 <br /> uoia Analytical- Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical repvrt must Ge reproducer)in its entirety. <br /> Page 9 of 11 <br />