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1 Sequoia 819 Straker Avenue Suite 8 <br /> Sacramento CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)92 1 alab5 c 00 <br /> www sequoialabs om <br /> • <br /> Upgradient-Valley Springs Project J&L Market <br /> 336 Augusta Court Project Number N/A Reported <br /> Valley Springs CA, 95252 Project Manager Vic Cherven 12/11/01 14 37 <br /> Diesel Hydrocarbons by DHS LUFT - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limns RPD Limit Notes <br /> Batch 1110193- EPA 3510C <br /> Blank(I110193_BLKI) __ _ _ Prepared 11/16/01 Analyzed 11/19/01 <br /> Extractable Hydrocarbons(C10-24) ND 0 050 mg/l <br /> Surrogate Penlacosane 00181 T 00200 905 50-150 <br /> LCS(1110193_BS1) Prepared 11/16/01 Analyzed 11/19/01 _ __- <br /> Extractable Hydrocarbons(C10-24) 0 393 0 050 mg/l 0 500 786 60-140 <br /> Surrogate Penlacosane _ 00187 Y" 00200 93-5 50-150 <br /> LCS Dup(1110I93-BSDI)� _ Prepared 11/16/01 Analyzed 11/19/01 T __ <br /> Extractable Hydrocarbons(C10-24) 0 415 0 050 mg/l 0 500 830 60-140 545 50 <br /> Surrogate Pentacosane J 00201 _ 00200 100 50-150 <br /> ch 1110230- EPA 3550E <br /> ank(1110230-BLKI) _ Prepared 11/20/01 Analyzed 11/22/01 <br /> Extractable Hydrocarbons(C10-24) ND 10 mg/kg <br /> Surrogate Pentacosane 0 624 0 667 936 50-150 <br /> LCS(1110230-BSI) Prepared 11/20/01 Analyzed 11/22/01 <br /> Extractable Hydrocarbons(C 10-24) 169 10 mg/kg 167 101 60-140 <br /> Surrogate Aentacosane � 0667 ----�� 0667 100 50-150 <br /> Matrix-Spike(I 1-10230-MSI) Source 5111224-01 Prepared 11120/01 Analyzed 11/22/01 <br /> Extractable Hydrocarbons(C 10-24) _ 16 5 Y 10 mg/kg 167 ND 98 8 50-150 <br /> Surrogate Penlacosane Y 0 642 0 667 963 50-150 <br /> Matrix Spike Dup (1110230-MSD1) _ __ source S111224-01 Prepared 11/20/01 Analyzed 11/22/01 <br /> Fxtractable Hydrocarbons(C 10-24) 17 0 10 mg/kg _ 167 ND 102 )0-150 299 50 <br /> Surrogate Pentacosune _ 0 656 0 667 984 50-150 <br /> 111Wuoia Analytical - Sacramento The results in this report apply to the samples analysed in accordance with the chain of <br /> custody documene This analytical report must be reproduced to its enrvery <br /> Page 12 of 18 <br />