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819 Striker Ave Ste 8 <br /> a— ) Sequoia Sacramento CA 95834 <br /> (916)921 9600 <br /> VJW Analytical FAX(916)921 0100 <br /> www sequoialabs com <br /> gradsent-Valley Springs Pro}ect Valley Motors 5212767 <br /> 336 Augusta Court Pro}ectl�umher NIA Reported <br /> Valley Springs CA,95252 Pra}ect Manager Vtc Gherven O 1/13/03 16 40 <br /> Gasoline (2-Methylpentane to 1,2,4-T rlmethylbenzene) and BTEX by EPA 8015M and 8021B -Quality Contr <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit No. <br /> Batch 3010156-EPA 5030B PIT <br /> Blank(3010156-BLKI) Prepared&Analyzed 01/08/03 <br /> Purgeable Hydrocarbons ND 50 ug/l <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Sul rogate a a a-71riJluorotoluene 884 100 88 60-140 <br /> Blank(3010156-BLK2) Prepared&Analyzed 01/09/03 <br /> Purgeable Hydrocarbons ND 50 ug/l <br /> Benzene ND 050 " <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 " <br /> lenes(total) ND 050 " <br /> Surrogate a a a-Trifluorotoluene 988 100 99 60-140 <br /> Blank(3010156-BLK3) Prepared&Analyzed 01/10/03 <br /> Purgeable Hydrocarbons ND 50 ug/1 <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Surrogate a a a-Treuorotoluene 881 100 88 60 140 <br /> Laboratory Control Sample(3010156-BSI) Prepared&Analyzed 01/08/03 <br /> Benzene 100 0 50 ug/l 100 100 70-130 <br /> Toluene 101 050 300 101 70-130 <br /> Ethylbenzene 100 050 100 <br /> ]OD 70-130 <br /> Xylenes(total) 300 050 300 100 70-130 <br /> Surrogate a a a-Trrfluorotohrene 101 100 101 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 analytical report must be reproduced in its entirety <br /> Page 4 of 6 <br />