Laserfiche WebLink
1551 Industrial Road <br /> tl) Sequoia San Carlos CA 94070 <br /> ► Analytical (650)232-9600 <br /> FAX{650}232-9612 <br /> www sequoialabs cam <br /> r, <br /> ler-Ryan/Geostrategies(I Project Tosco(1) <br /> } Sierra Court,Suite J Project Number Tosco#801205(Circle K),Lathrop Reported <br /> Dublin CA,94568 Project Manager Deanna Harding 05/13/02 09 26 <br /> Total Purgeable Hydrocarbon (C6-C12) 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 2050019-EPA 5030B (PIT) <br /> Blank(2050019-BLK1) Prepared&Analyzed 05/09/02 <br /> Purgeable Hydrocarbons as Gasoline ND 50 ug/1 <br /> Benzene ND 0 50 " <br /> Toluene ND 0 50 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl ten-butyl ether ND 5 0 " <br /> Surrogate a a a-Triuorotoluene 999 100 999 70-130 <br /> LCS(2050019-BSI) Prepared&Analyzed 05/09/02 <br /> Benzene 823 050 ug/l 100 823 70-130 <br /> Toluene 871 050 300 871 70-130 <br /> Ethylbenzene 904 050 100 904 70-130 <br /> Xylenes(total) 274 050 300 91 3 70-130 <br /> ate a,a a-Trifluoroioluene 101 100 101 70-130 <br /> LCS(2050019-BS2) Prepared&Analyzed 05/09/02 <br /> Purgeable Hydrocarbons as Gasoline 221 50 ug/I 250 884 70-130 <br /> Surrogate a a a-Triuorotoluene 987 11 100 98 7 70-130 <br /> Matrix Spike(2050019-MSI) Source L205001-06 Prepared&Analyzed 05/09/02 <br /> Benzene 990 0 50 ug/I 100 ND 890 60-140 <br /> Toluene 9 53 050 100 ND 95 3 60-140 <br /> Ethylbenzene 977 0 50 100 ND 97 7 60-140 <br /> Xylenes(total) 297 050 300 ND 990 60-140 <br /> Surrogate a a a-TriJluorotoluene 103 J00 103 70-130 <br /> Matrix Spike Du (2050019-MSDI) Source L205001-06 Prepared&Analyzed 05/09/02 <br /> Benzene 9 13 0 50 ug/l. 100 ND 91 3 60-140 2 55 25 <br /> Toluene 963 0 50 100 ND 963 60-140 104 25 <br /> Ethylbenzene 100 050 100 ND 100 60-140 2 33 25 <br /> Xylenes(total) 30 1 050 300 ND 100 60-140 1 34 25 <br /> Surrogate a a a-Trti luorotoluene 113 100 113 70-130 <br /> is Analytical -San Carlos The 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 10 of 14 <br />