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trial <br /> 15) <br /> Sequoia los CAdu Road <br /> San Carlos CA 94070-4111 <br /> (650) 232-9600 <br /> Analytical <br /> FAX (650) 232-961 Z <br /> Blaine Tech Services Project Shell Sampled 6/1/99 <br /> 1680 Rogers Avenue Project Number 990601 Y3,3725 South Tracy Blvd Received 6/2/99 <br /> San Jose,CA 95112 Project Manager Ann Pember Reported 6//21/99 <br /> Total Purgeable Hydrocarbons(C6-C1Z),BTEX and MTBE by DHS LLTFT/Quality Control <br /> Sequoia Analytical-Sant Carlos <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9060065 Date Prepared 6/11199 Extraction Method_ EPA 5030B_[P/Tl <br /> Blank 9060065-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 6/12/99 ND ug/l 500 <br /> Benzene " ND 0 500 <br /> Toluene to ND 0 500 <br /> Ethylbenzene it ND " 0 500 <br /> Xylenes(total) ND " 0 500 <br /> Methyl tert-butyl ether ND It 500 <br /> Surrogate a s a-Trrfluorotoluene 100 945 IF 700-130 945 <br /> LCS 9060065-BSI <br /> Benzene 6/12/99 100 988 ug/l 700-130 988 <br /> Toluene 1. loo 993 700-130 993 <br /> Ethylbenzene It too 848 700-130 84 8 <br /> _ es(total) _ " 300 299 _ 700-130 997 _ <br /> gate aa a-Trrfluorotoluene 01100 988 700-130 988 <br /> Matrix Spike 9060065-MSI L906092-03 <br /> Benzene 6/12/99 100 ND 9 43 ug/l 600-140 94.3 <br /> Toluene " 100 ND 848 " 600-140 84 8 <br /> Ethylbenzene to 100 ND 933 if 600-140 93 3 <br /> Xylenes(total) 300 ND 278 600-140 927 <br /> Surrogate a,a,a-Trrfluorotoluene 10 0 946 700-130 946 <br /> Matrix Spike Dup 9060065-MSDI L906092-03 <br /> Benzene 6/12/99 100 ND 102 ug/l 600-140 102 250 71115 <br /> Toluene IF <br /> too ND 9 14 IF 600-140 914 250 749 <br /> Ethylbenzene 100 ND 102 to 600-140 102 250 891 <br /> Xylenes(total) 300 ND 296 " 600-140 98 7 250 627 <br /> Surrogate a a,a-Trrfluorotoluene 100 105 IF 700-130 105 <br /> Batch 9060075 Date Prepared 6/13/99 Extraction Method EPA 5030B [P/Tl <br /> Blank 9060075-BLKI <br /> Purgeable Hydrocarbons as Gasoline 6/13199 ND ug/l Soo <br /> Benzene 11 ND to 0 500 <br /> Toluene ND to 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether _ ND 500 <br /> Surrogate a s a-Trrfluorotoluene 100 8 79 700-130 879 <br /> 0 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> page 5 of 7 <br />