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1) 819 <br /> Sequoia Striker Avenue S 4 <br /> 4Sacramento CA 95858 34 <br /> (9 t 6) 921-9600 <br /> Analytical FAX(916) 921-0100 <br /> SECOR International-Sacramento Protect ARCO 2093,Tracy,CA Sampled 2129/00 <br /> 99I2 Business Park Dr,Ste 100 Project Number N/A Received 311100 <br /> Sacramento,CA 95827 Project Manager Rusty Benkosky Reported 3/10100 <br /> Total Purgeable Hydrocarbons(C6-C12), BTEX and MTBE by DHS LUF"T/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br />�Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notcs* <br /> Batch 0030072 Date Pre ared 3/7100 Extraction Method EPA 5030B(MeOH) <br /> Blank 0030072-BLKI <br /> Purgeable Hydrocarbons 3/7/00 ND ug/l 500 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether _ ___ _ _ ND_" _ 2 50 <br /> Surrogate a a a-Trifluorotoluene 100 10 7 600-140 107 <br /> LCS 0030072-BS 1 <br /> Benzene 3/7100 100 977 ug/I 700-130 977 <br /> Toluene 10 0 976 700-130 976 <br /> Eth lbenzene10 0 986 700-130 98 6 <br /> Xs(total) 300 295 700-130 98 3 ---- <br /> M tert_butyl ether _ 100 T 930 700-130 930 <br /> Surrogate a,a,a-Trrfluorotoluene 100 103 600-140 103 <br /> Matrix Spike 0030072-MSI S002374-03 <br /> Benzene 317100 100 ND 986 ug/l 600-140 986 <br /> Toluene 100 ND 100 600-140 100 <br /> Ethylbenzene 100 ND 992 600-140 992 <br /> Xylenes(total) 300 ND 298 600-140 993 <br /> Methyl tert-butyl ether _ 100 ND 998 60 0-140_ 998 <br /> Surrogate a a a-Trifluorotoluene 100 103 600-140 103 <br /> Matrix Spike Dup 0030072-MSD1 5002374-03 <br /> Benzene 317100 too ND 999 ug/l 600-140 999 25 0 131 <br /> Toluene 100 ND 995 600-140 995 25 0 0 501 <br /> Ethylbenzene 100 ND too 600-140 100 25 0 0 803 <br /> Xylenes(total) 300 ND 299 600-140 997 25 0 0 402 <br /> Methyl tert-butyl ether _ _ _ 10_0 _ND too 600-140 100_ 25 0 0200 <br /> Surrogate a a a-Trifluorotoluene 100 105 600-140 105 <br /> Batch. 0030074 Date Prepared 3/7100 Extraction Method EPA 5030B(MeOH) <br /> Blank 0030074-BLKI <br /> Purgeable Hydrocarbons 317/00 ND ug/I 50 0 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br />*tert-butyl ether ND 2 50 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions <br /> Page 5 of 9 <br />