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Rw <br /> Sequoia an CAT►dustn %070 <br /> San Carlos 23 -9WO <br /> Nq (6s�,272-96DD <br /> aw Analytical wwseg0ialabs 6]2 <br /> wwur.sogl,uielabs coin <br /> Gettler-11yan/Geostrategies(1) Project Tosco(l) <br /> 6747 Sierra Court,Suite J Protect Number Former Unocal SS#4409,Stockton,CA Reported• <br /> Dublin CA,94568 Protea Manager Deanna Harding 10/26/0109 39 <br /> Total Purgeable Hydrocarbon (C6-C12) by EPA 8015M and BTEXIMTBE by EPA 8021B - Quality Control <br /> Sequoia Analytical - San Carlos <br /> Reporting Spike Source %REC RPD <br /> IAnalyte Result Limit Units Level Result %REC Limits RPD Lunit Notes <br /> _Batch 1100100-EPA 5030B(M) <br /> Blank(1100100-BLK1) Prepared&Analyzed 10/23/01 <br /> Purgeable Hydrocarbons as Gasoline ND 50 ugll <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ohylbenzene ND 050 " <br /> xylenes(total) <br /> ND 050 " <br /> Methyl tori-butyl ether ND 50 " <br /> Shmogate a,a,a-TrOluorotoluene 101 100 101 70-130 <br /> LCS(1100100-BSI) Preparcd&Analyzed 10/23/01 <br /> Batzene 106 050 ug/l 100 106 70-130 <br /> Toluene 105 050 " 100 105 70-130 <br /> Ethylbenzene 108 050 " 100 108 70.130 <br /> Xylem(total) 319 050 300 106 70-130 <br /> Surrogate ciao-Tryluorotoluene 112 100 112 70-130 <br /> IA--S(1100100-BS2) Prepared&Analyzed 10/23/01 — - — -- <br /> Purgeable Hydrocarbons as Gasoline 241 50 ugA 250 964 70-130 <br /> Svnngate a,ma-TrI luonmoluene 108 100 108 70-130 <br /> Matrix Spike(1100100-NISI) Source:LI 10083-06 Prepared 10/23/01 Analyzed 10/24/01 <br /> Purgeable Hydrocarbons as Gasoline 258 50 ug/l 250 ND 103 60-140 <br /> Surrogate a,a,a-Tr(Jluorotoluene 120 160 120 70-130 <br /> Matrix Spike Dup(I I 00IMMISDI) Source:L_1100$3-06 Prepared 10/23/01 Analyzed 10/24/01 <br /> Purgeable Hydrocarbons as Gasoline 280 50 ugA 250 ND 112 60-140 8 18 25 <br /> Swrrogate a a,a-TrI luorotoluene 123 100 123 70-130 <br /> Sequoia Analytical-San Carlos 77re results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 11 of 16 <br />