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ker <br /> Ste 8 <br /> Sequoia 8195tnto,CA 5854 <br /> Sacramento, 92 99600 <br /> Analytical (916)921 0100 <br /> qW FAX equoi 921 0100 <br /> www sequoialabs com <br /> Gettler-Ryan-Dublin Project Former Unocal 5098,Stockton, CA 5302592 <br /> 6747 Sierra Court, Ste J Project Number N/A Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 03/10/03 17 ]7 <br /> Total Purgeable Hydrocarbons 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 3030007-EPA 5030B(PIT) <br /> Blank(3030007-BLKI) Prepared 02/28/03 Analyzed 03/01/03 <br /> Purgeab{e Hydrocarbons ND 50 ug/l <br /> Surrogate a a a-Trifluototoluene 814 100 81 60-140 <br /> Blank(3030007-BLK2) Prepared&Analyzed 03/03/03 <br /> Purgeabie Hydrocarbons ND 50 ugtl <br /> Sur rogale a a a-Tr rfluorotoluene 849 100 85 60-140 <br /> Blank(3030007-BLK3) Prepared&Analyzed 03/04/03 <br /> Purgeable Hydrocarbons ND 50 ugll <br /> Sui i ogate a a a-Ti tfluoi otoluene 891 100 89 60440 <br /> Laboratory Control Sample(3030007-BSI) Prepared&Analyzed 02/28/03 <br /> Purgeable Hvdrocarbons 288 50 u_PA 250 11.5 70-130 1• <br /> Sun ogale a,a a-Tiifluorotoluene 994 1190 99 60-140 <br /> Laboratory Control Sample(3030007-BS2) Prepared& Analyzed 03/03/03 <br /> j Purgeable Hydrocarbons r- - - - - _ --286 - 50 -ugll - T 250 T - 1{4 70-130--- <br /> Sul I Ogale <br /> 0-130--Suliogate a a a-Tiiflux+oroluene 102 100 102 60 140 <br /> _Laboratory Control Sample(3030007-BS3) Prepared&Analyzed 03/04/03 _ <br /> Purgeable Hydrocarbons- 267 50 ug/1 250 107 70-130 - <br /> Suri ogate a a a-Ti ifluorololuene 102 100 102 60-140 <br /> Matrix Spike(3030007-MSI) Source 5302592-05 Prepared&Analyzed 03/03/03 <br /> Purgeable Hydrocarbons 287 50 ug/1 250 ND 115 60-140 <br /> - —Surrogate a a a Difluototoluene977- 100- -' ' 98 -60-140 - - - <br /> Sequoia Analytical - Sacramento The results in this repoi 1 apply io the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stared r esults are i eporied on a wet weight bas is <br /> This analvucal r epos t must be i eproduced in its entirety <br /> Page 96 of 126 <br />