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Sequoia S19SnikerA ve <br /> 918,1 <br /> Sacramemo CA 955;4 <br /> 4D <br /> Analytical (916)921 960o <br /> FAX(91 G)921 01 D0 <br /> www sequoialabs com <br /> Gettler-Ryan -Dublin Project Former Unocal 5098, Stockton,CA S305190 <br /> 6747 Terra Court, Ste 3 Project plumber 1\1/A Reported f <br /> Dublin CA,94568 Project Manager Deanna L Harding 05/21/03 1 7 32 <br /> GasolmeWEXIQa rgenates b EPA meth - <br /> _ �b y method 8260B Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC <br /> RPI <br /> An Result Limit Units Level Resuit %REC Limits RPD Limit Notes <br /> Batch 3450179-EPA 5030B !P/Tl <br /> Blank(3050179-BLKI) Prepared& Analyzed 05/12/03 _ <br /> t3enzene ND 050 ug/I �s <br /> Toluene ND 0 S0 <br /> Eibylbenzene ND 050 <br /> ,NN lenes(total) ND 050 <br /> h4ethv]tert-butyl ether ND 20 " <br /> Sur r agate 1 1-DG4 d4 272 250 109 60 140 <br /> Surrogate Toluene-dN 26 4 250 105 60 140 1 <br /> Surrogate 4-BFB 200 15 0 80 60-140 <br /> Laboratoi v Control Sample(3050779-BSI) Prepared & Analyzed 05/12/03 <br /> Benzene 25 2 050 ug/1 250 101 70 110 <br /> Toluene 24 1 0 SO 1250 96 70-130 <br /> Meibyl tert-butyl ethei 25 0 20 25 0 300 60-140 <br /> Sur r ogaie 12 DCA d4 16 7 25 0 107 60 140 <br /> Sul r n�+nra Tnlunnn_+iX <br /> 2' ' 2)(1 <br /> ]ol 00140 —� <br /> - <br /> Sul rogore 4 BFB 101 —250 —80�6rl 140— -- <br /> -=--B--Batch <br /> atch 3050185--EPA--5030B-1P/T ---- -- - -- — -- - - -- - -- - - -- -- - - - - _ _ __ _ <br /> Blank(3050185-BLKI) _ _ _ _ _ - _ -- _ - Prepared 05/12/03 Analyzed 05/13/03 --- <br /> Benzene '1D 050 ug/l i <br /> Toluene ND 0 SO <br /> -ND-- -- --0 50 <br /> Xvienes(total) ND 0 50 " <br /> Methvl tert-butyl ether ND 2 0 <br /> 3 <br /> Sur,ogale 11-DCA d4 26 7 "0 107 60 140 <br /> Suri ogare Toluene-d8 269 <br /> 250 IOn 60 140 <br /> Sur r ogare 4 BFB----------- --- -- - <br /> O 140 <br /> Sequoia Analytical - Sacramento <br /> The resuhs rn this repair apph,lo the samples analued lir accordance wr!!r clic Chaut of <br /> custodir dorumerat Unless otherx rsestaled recufis are reported on a iiet n el hi basis <br /> Tlris anali,ircal iepori must be reproduced rn itr enriren <br /> Page 100 of 121 <br />