Laserfiche WebLink
a) (650)1551 ]rlRoad <br /> Sequoia San CarlososCA CA 94070 <br /> V232-9600 <br /> IW Analytical <br /> FAX{650}232 9b12 r <br /> www sequoialabs eom <br /> Gettler-Ryan/GeostrateRies(1) Project Tosco(1) <br /> 6747 Sierra Court Suite J Project Number Tosco(Unocal)SS#6981,Stockton,CA Reported <br /> Dublin CA 94568 Project Manager Deanna Harding 09/27/01 10 19 <br /> Total Purgeable Hydrocarbon (C6-CI2)=by EPA 8015M and BTEX/MTBE by EPA 8021B-- Quality Control <br /> Sequoia Analytical - San Carlos <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1090102-EPA 5030B(P/T) <br /> Blank(1090102-BLK1) Prepared&Analyzed 09/25/01 <br /> Purgeable Hydrocarbons as Gasoline ND 50 UFA <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl ten-butyl ether ND 5 0 " <br /> Surrogate a,a a-Triuorotoluene 116 10 0 116 70-130 <br /> LCS(1090102-BSI) Prepared&Analyzed 09/25/01 <br /> Benzene 944 050 ug/i too 94 4 70-130 <br /> Toluene 933 050 loo 93 3 70-130 <br /> Ethylbenzene 936 050 too 93 6 70-130 <br /> Xylenes(total) 284 050 300 94 7 70-130 Aft <br /> Surrogate a a a-Triuoroioluene 103 100 103 70-130 MW <br /> LCS(1090102-BS2) Prepared&Analyzed 09/25/01 <br /> Purgeable Hydrocarbons as Gasoline 235 50 ug/l 250 940 70-130 <br /> Surrogate a a a-Triuorotoluene 9 87 11100 982 70-130 <br /> Matrix Spike(1090102-MSI) Source L109079-02 Prepared&Analyzed 09/25/01 <br /> Purgeable Hydrocarbons as Gasoline 256 50 ugA 250 ND 102 60-140 <br /> Surrogate a a a-Triuorotoluene 120 100 120 70-130 <br /> Matrix Spike Dup(1090102-MSD1) Source L109079-02 Prepared 09/25/01 Analyzed 09/26/01 <br /> Purgeable Hydrocarbons as Gasoline 219 50 ug/I 250 ND 876 60-140 15 6 25 <br /> Surrogate aaa-Tr>7uorotoluene 110 100 110 70-130 <br /> Sequoia Analytical- San Carlos The results in thts report apply to the samples analyzed in accordance with the chain <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 16 of 21 <br />