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• 404 N Wlget Lane <br /> S e qu o l a m, r Walnut Creek CA 94598 <br /> 4 Analytical (925)988-9600 <br /> ,!D FAX (925)988-9673 <br /> Gettlei Rvan Inc -Dublut i Project UnoLal' U <br /> 6747 titen o Cowl SUILL 1 Project Number Unoc.,tl it 8671 Reported <br /> Dublin CA 9469 Project Manager Dentma L Harding 24-Feb-00 07 13 <br /> Total Pur ;Yeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT - Quality Control <br /> - Sequoia Analytical - Walnut Creek - , - <br /> Reporting Spike Source u/oREC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Lirrut Notes <br /> - - <br /> BatLb OB14001 Pi t.pai ed'14-Feb-00 Using EPA 5030B [PIT] <br /> Blank(1IB14001-BLKI) - <br /> Purge dhle Hvdrotarhons ND 50 ug/l <br /> Benzene ND 0 50 <br /> TUluone ND 0 50 " <br /> Fthvlhenzene ND 0 50 " <br /> Yylener(tont) ND 0 50 " <br /> Methyl tent-butyl ether ND 2 5 " <br /> Suri os,arc a a u Di luorolohiux 285 300 950 70-130 <br /> LCS (OB14001-BSI) <br /> Benzene 186 050 ug/l 200 93 0 70-130 <br /> toluene Iii 8 050 200 " 940 70-130 <br /> Ethvlhenzen. 202 050 200 101 70-130 <br /> \ylene�(tot il) w 60 8 050 60 0 IN 70 130 <br /> Sui r f)90h a a rr lir/Ieroror,luuic 19 1 -)OV 973 70-130 <br />.Matrix apil,�(OB14001-MS1)� — -Source WO02304-03-----_= - - <br /> Benzenr. 195 0 50 ug/l 200 ND 975 70-130 <br />—Toluene--- 9= = O 50-_ T ._--20 0 —ND—99 5--70-130—�-- � -- <br /> Ethvlhenzene 193 0 50 200 ND 965 70-130 <br /> Xylene"(totat) 65 1 0 50 600 ND 108 70-130 <br /> Surrogau a a a 1 i illuorwoluene 278 " 300 927 70-130 <br /> Matrix Spike Dup (0B14001-MSDI) Suuri-e W002304-03 <br /> Benzene 182 0 50 ug/l 200 ND 91 0 70-130 690 20 <br /> IoIL[ene 18 7 0 50 200 ND 93 5 70-130 622 20 <br /> Cthvlhcnz�nL _ 179 050 200 ND N9 5 70-130 753 20 <br /> X+ lene%(tul.il) 61 5 050 600 ND 103" 70-130 569 20 <br /> Sur ros au u u rr 1 r t lucuotohiene 284 300 94 7 70-130 <br /> Sequoia Aatrllytical - Walnut Creek The re sully m tins report apply to rhe samples analyzed rn accordance with the cbwn of <br /> custody docuinent This analytrcal report must be repioduced in its entireto <br /> air e11ip L21-NI-51-on, Dim,-tor Page 6 of 9 <br />