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404 N WEget Ease <br /> ` Sequoia Walnut Creek,CA 945% <br /> (91S)988-960p <br /> FAX(925)988-9673 <br /> Analytical www.sequolaLabs oorn <br /> err Ryan,Inc -Dublin Project Unocal <br /> 47 Sierra Court Suite J Projcct Number Unocal#5886 Reported <br /> Dubha CA,94568 Project Manager Deanna L Harding 29-Der,-00 08 59 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Walnut Creek <br /> Reportm <br /> lalyte Result Lunt Umb Dilution Batch Prepared Analyzed Method Notes <br /> MW-71)(W011449-11)Water Sampled 17-Nov-00 09 55 Received.20-Nov-0017.00 <br /> 01 ND 500 ug4 1 Ox30024 01-Deo-00 of-Doo-W EPA 8260E <br /> Butyl alcohol ND 50 <br /> Methyl text-butyl ether ND 20 <br /> w w <br /> F&swrop <br /> yl ether ND 20 ^ X w w w <br /> yl Berk butyl ether ND 20 <br /> tert Ainyl methyl ether ND 20 ^ w w <br /> Ihbnomofluoromedarne 104% 50-150 N N N N <br /> Togate 1,1 Dichloroethmre-d4 940% 50-150 ^ ^ N <br /> MW-7S(W011449-12)Water Sampled 17-Nov-000923 Received 20-Nov-001700 <br /> %ano1 ND 500 ug4 1 OK30024 01-Deo-W 01-Deo-00 EPA 8260E <br /> tyl <br /> utyl alcohol ND 50 ^ w X <br /> tart-butyl ether ND 20 <br /> D,-mopropyl ether ND 20 <br /> butyl ether ND 20 ^ ^ ^ N X <br /> t yl methyl ether ND 20 <br /> w <br /> Surrogate Dtbromofluoromethane 106% 50-150 ^ N ^ T <br /> gate 1,1 Dichloroedumed4 960% 50-150 ^ N N <br /> -8S{W011449-13)Water Sampled 1"ov-00 12.10 Received 20-Nov-0017 00 <br /> Ethanol ND 500 ugA 1 0x30022 29-Nov-00 27-Deo-00 EPA 8260E 0-04 <br /> Butyl alcohol ND 50 <br /> O-O4 <br /> yl tettbutyl ether ND 20 " " ^ T w N hA, <br /> x-04 <br /> Di-isopropyl ether ND <br /> �I�TD 20 ^ N w N ^ /�/�� <br /> 1 Iert-butyl ether LCL 20 ^ N " N R ^ 0-04 <br /> t Amyl methyl ether ND 20 " ^ w w w ^ 0-04 <br /> Surrogate D:brnmofhtorome8iarte 980% 50-1 SO ^ N N N 0-01 <br /> S�gate 1,1-Dtchloroethuuted4 840% 50-150 N ^ N N 0-04 <br /> S Al*ftcal-Wabmt Creek The results In this <br /> r9­1°pPtJ'to the samples arualyred in axatdarace with the chain of <br /> custody doewnerm This ana�gical rrport rant be rcpnoduced in its dM*"Y <br /> Page 16 of 30 <br />