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1S5t Industrial Road <br /> Sequoia �n Carlos.CA 94070-4111 <br /> ' + <br /> (650)Z32-%W <br /> FAX(650)232.-9612 <br /> Analytical www seguoWaft com <br /> Gettler-Ryan/Geostratep*l) Project Unocal(3) Sampled. 11/20/00 <br /> 6747 Sierra Court,Suite J Project Number SS#D187/437 EAST MINER AVE Received. 11/20/00 <br /> Dublin,CA 94568 Project Manager Deanna Hardin11/29/00 <br /> bl r ons �. X a <br /> sunt <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Aril Anal r Level Result Result Units Recov Limits % Limit % Notes* <br /> LCS(continue O11d116 __ __ <br /> Surrogate. aa,a-Trifluorotoluene !!22100 100 962 ug/1 700-130 962 <br /> LLC 0110116-BS3 <br /> Benzene 11/24/00 100 110 ug/1 700-130 110 <br /> Toluene - " , 100 102 700-130 102 <br /> EthyMenzene " 100 102 700-130 102 <br /> Xylenes(total) 300 30.2 700-130 101 <br /> Surrogate a,aa-Tnfhwrv0a1uene 100 105 " 700-130 105 <br /> LC v dlldll6-BS4- T - <br /> Pur eable H drocerbons as Gasoline 11/24/00 250 229 1194 { 700-130 916 <br /> Surrogate aaa-Trtfluorotoluene 100 108 " 700-130 108 <br /> Matrix Spike0110116-MSl L011152-12 <br /> Benzene +�--- V ^- 11/22/00 100 ND W 120 ug/1 600-140 110 <br /> Toluene 100 ND , 11 1 " 600-140 111 <br /> Ethylbenzene 100 ND 110 " 600-140 110 <br /> Xylenes total 300 ND 319 600-140 106 <br /> _-Surrogate_aa,a-Trifluorotoluene— 10 0T__?_ —10 8 _ 700-130 108 _r <br /> Matrix Spike Duo - ..T 0110116-MSDI_.v._L011152-12 <br /> Benzene 11/22/00 100 ND_____12 1 ug/1 600-140 121- 250-0.830 l <br /> 1 <br /> Toluene ND-F 113_ _ _ 600-140 113 _ 250 1.79 r; <br /> Ethylbeaune 100 ND 113 600-140 113 250 2.69 <br /> xylenes(total 300 ND 332 600-140 111 250 4.61 <br /> Surrogate. a,a,a-Tnfluomtoluene 100 953 700-130 953 <br /> Batch: 0112121, Date Prepared: 1112 Extraction Method: EPA 5030B 1PIT1 <br /> B1 k <br /> 011012L-BW <br /> Purgeable Hydrocarbons as Gasoline 11/28/00 ND uW1 50.0 <br /> Benzene " ND " 0.50d <br /> Toluene " ND - '0.50Q <br /> Ethytbm=e ND 0.500 <br /> Xylenes(total) ND " 0-50 <br /> Methyl tert-bu ether ND 5.00 <br /> Surrogate aa,a-Tnfluorotoluene 100 868 700-130 868 <br /> L 011012 BSI <br /> Benzene 11/28/00 100 990 ug/1 700-130 990 <br /> Toluene 100 995 700-130 993 <br /> EthyIbenzme 100 101 700-130 101 <br /> Sequoia Analytical-San Carlos *Refer to end of report for tart of notes and definitions <br /> � r <br /> Page 11 of 14 <br />