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1455 McDowell Blvd North,Ste D <br /> D Sequoia Petaluma,CA 94954 <br /> (707)792-1865-1865 <br /> 4 <br /> FAX(707)792-0342 <br /> Analytical www sequoialabs com <br /> r <br /> Cambna Environmental Project Equiva 10d <br /> 270 Perkins St Project Number 440 West Charter Way, Stockton Reported <br /> Sonoma CA,95476 Project Manager Aubrey Cool 12/15/00 11 11 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015NV8020M - Quality Control <br /> Sequoia Analytical- Petaluma <br /> Reporting Spike Source %REC RPD tJ <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes It1�ll <br /> Batch 0110452-EPA 5030,sods McOH <br /> Matrix Spike Dup(01 10452-MSD1) Source P011298-10 Prepared&Analyzed 11/17/00 <br /> Gasoline 919 500 mg/kg 100 ND 919 65-135 1 30 20 <br /> Surrogate 4-Bromojluorobenzene 258 300 860 65-135 <br /> Batch 0110484-EPA 5030,soils <br /> Blank(0110484-BLKI) Prepared&Analyzed 11/18/00 <br /> Gasoline ND 100 mg/kg <br /> Benzene ND 000500 <br /> Toluene ND 000500 " <br /> Ethylbenzene ND 000500 " <br /> Xylenes(total) ND 000500 <br /> rrogate a a a-Trifluorotoluene 0 576 _ 0 600 �T 960 65-135 <br /> ogate 4-Bromofluorobenzene 0 578 0 600 963 65-135 <br /> Blank(0110484-BLK2) ------P <br /> &Analyzed 11/20/00 <br /> Gasoline ND 100 mg/kg <br /> Benzene ND 000500 " <br /> Toluene ND 000500 " <br /> Ethylbenzene ND 000500 " <br /> Xylenes(total) ND 000500 " <br /> Surrogate a a a-Trifluorololuene 0 570 '" 0 600 950 65-135 <br /> Surrogate 4-Bromofluorobenzene 0 582 0 600 970 65-135 <br /> LCS(0110484-BS1) Prepared&Analyzed 11/18/00 <br /> Gasoline 4 82 100 mg/kg 550 876 65-135 <br /> Benzene 00748 000500 00640 117 65-135 <br /> Toluene 0 368 000500 0 386 953 65-135 <br /> Ethylbenzene 00837 000500 00920 910 65-135 <br /> Xylenes(total) 0 457 000500 0 462 989 65-135 <br /> Surrogate a a a-Tri luorotoluene 0 596 " _ 0 600 993 65-135 <br /> Surrogate 4-Bromofluorobenzene 0 619 0 600 103 65-135 <br /> quota Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Thts analytical report must be reproduced in its entirety <br /> Page 24 of 32 <br />