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404 N WISet Cane <br /> Sequoia Walnut Creek,CA 94598 <br /> (925)9689600 <br /> FAX(925)968-9673 <br /> Analytical �.� corn <br /> VRyan,Inc -Dublin Project Unocal <br /> ierra Court Suite J Project Number Unocal#5886 Reported- <br /> Dublin CA,94568 Project Manager Deanna L Harding 29-Dec-00 08 59 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical -Walnut Creek <br /> P-9portmg <br /> walyle Result Lmcut Units Dilution Batch Prepared Analyzed Method Notes <br /> -0D{W0114494)5)Water Sampled 17-Nov-0011:58 Received 20-Nov-001700 <br /> l ND 500 up4l 1 OK30024 01-Doo-W 01-Doo-00 EPA 8260E <br /> -Butyl alcohol ND 50 <br /> Methyl tart-butyl ether 49 20 ^ w X R R R <br /> tyl <br /> sopropyl ether ND 20 ^ X <br /> tert-butyl ether ND 20 <br /> text-Amyl methyl ether ND 20 R R R N <br /> Dibromofluoromethane 106% 50-150 <br /> I,l lhchloroedwn,d4 960% 50-150 <br /> MW4S(W0114494)6)Water Sampled: 17Nov-N 1132 Received 20-Nov-W 17 00 <br /> of ND 500 ug4 1 OK30024 01-Dec-00 01-Deo-00 EPA 8260E <br /> -Butyl alcohol ND S0 R R R N R <br /> Methyl tert-butyl ether 35 20 ^ ^ N N R R <br /> %hwropyl edier ND 20 N R w R N <br /> w-butyl ether ND 20 w X R R <br /> - V i methyl ether ND 20 <br /> te Drbromofluoromedwrie 106% 50-150 " <br /> fa <br /> ate1,2Drchloroefhmred4 940% 50-150D(W011449-)7)Water Sampled- 17-Nov-00 11 00 Received 20-Nov-0017 00 <br /> U&anof ND 500 ug4 1 OK30024 01-Deo-00 01-Deo-00 EPA 8260E <br /> L-Butyl�alcohol�L� ND 50 ^ N N R R R <br /> I <br /> lel t-b�l ether ND 20 R X w w R R <br /> Drrsapropyl ether ND 20 R w X R R <br /> yl tert-butyl ether <br /> ,� ND 20 R w N R ^ R <br /> Alrlyl methyl ether ND 20 X w w X R N <br /> Surrogate Drbromofluoromethane 108% 50-150 <br /> V8410 <br /> I,Z Drchloroethaned4 940% 50.150 <br /> 18 Analyucal-Walma Creek The remdu in d o&report apply to the swWks ana5mad br ac+wwkw ce with the chem of <br /> custody docmnera Thu a nabWcal report tarot be reed in as manly <br /> Page 14 of 30 <br />