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41)- Sequoia 404 N.Wiget lane <br /> Walnut Creek,CA 94598 <br /> IRW Analytical (gz5)989-9600 <br /> FAX(925)988-9673 - <br /> Gettler Ryan, hie.-Dublin Project: Tosco <br />` 6717 Sierra Court Suite 1 Project Number: Tosco# 11195 <br /> Dublin CA.94568Reported. <br /> Project Manager: Doug Lee 30-Dec-99 15:15 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT- Quality Control <br /> Sequoia Analytical - Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> ilnal�ic Result Limit Units Level Result %REC Limits RPD Limit Nates <br /> 3atch 9LI7001: Prepared 17-Dec-99 Using EPA 5030B (P/T] <br /> Monk(9LI7(101-BLK1) <br />'urgeable Hydroclrbons ND 50 ug/I <br /> knzene ND 0.50 " <br />'uluene ND 0.50 " <br /> thylbenzene ND 0.50 " <br />}•rents(1001) ND 0.50 " <br /> IAwl fort-hulvl ether ND 2.5 " <br /> ur,,�ulit'ra q rr-7}•iJluarutnlurrm 33.f 30.0 110 70-130 <br /> CS(9L17001-BS1) <br /> uenr 19.2 0.50 ug/l 20.0 <br /> 96.0 70-130 <br /> luelle 19.8 0.50 20.0 99.0 70-130 <br /> lwlhtnzene 20.4 0.50 20.0 tot 70-130 <br />!ones(!alai) 62.2 0,50 60.0 104 70-130 <br /> •rrtnly:a.n.a-77fifluornroluelle 19.7 " 320 <br /> 99.0 70-130 <br /> utrix Spike(9L170111-MSI) Source: W912331-03REI <br /> r,v en e <br /> 19.9 0.50 ug/I 20.0 ND 99.5 70-130 <br />!acne 20.1 0.50 " <br /> 20.0 ND 101 70-130 <br /> nlbertze"e 21.2 0.50 20.0 ND 106 70-130 <br /> Icn=s(tul:r!) 63.6 0.30 60.0 ND 106 70-130 <br /> i•ugalc;aa.(Y-TrUbuorolohrenL 30.7 30.0 102 70130 <br /> itris Spike Dup (9L17(101-MSDI) Source: W912331-03RE1 <br /> vent <br /> 18.7 <br /> 0.50 ug/I 20.0 ND 93.5 70.130 6.22 20 <br /> 18.9 0.50 20.0 ND 94.5 70-130 6.15 <br /> 20 <br /> rlhcnzt„e 19.6 0.50 20.0 ND 98.0 70-130 7,x4 20 <br />:nes(total) 59.6 0.50 " 60.0 ND 99.3 70-130 6.49 20 l <br /> agate;Rrr,aTri rro --~ _� - <br /> rotolreeue 29.2 30.0 97.3 70.130 <br /> I�I <br /> I <br /> Iloia Analytical - Wahm Crcck J. <br /> The re.mfts in rias reparr apply fa th sampler mialy.edin accordance wilh the chvn of <br /> cuNfody document.This awlydeal mport must be reproduced in i is endrery. <br /> c <br /> i 3. omp. oratory IJIFUctor <br /> Page 6 or 11 <br /> s, <br />