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Sequoia 404 N ,CA Lane <br /> Walnut Geek,CA 94598 <br /> (925)988-9600 <br /> FAX(925)988-9673 <br /> Analytical <br /> t A %a ry" fi <br /> ettler-�iyari'Dublin " "Client Project Ib Unocal Circile K SS# h1205, Lafhrop Sampled "'Jul'116, 1999 <br /> 6747 Sierra Court, Suite J Sample Descnpt Water, MW-1 Received Jul 16, 1999' <br /> Dublin, CA 94568 Analysis Method ERA 8260 Analyzed Jul 30, 1999, <br /> AttentionDeanna Harding Lab Number 907-1249 Reported Aug 3, 1999 ' <br /> .. r a rt"' .•f,;,"y">�.v R�o a. ... xa ry ..+„ s.evh s` .,,,,,,a, .e Air t`o .r4i^yi bar 3'.,,. � .„} "'i ,, souYry.,r. ,. . ,. {i. V x m7a�,,. <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> N9/L Vg/L <br /> Ethanol .. . . 10,000 .. N D <br /> t-Butanol 2,000 N D <br /> Methyl - ter ...... ....... ..... ............... 40 ...... . ........ ............ .. . 820 <br /> I-soprop ter 40 <br /> Ethyl t-Butyl Ether(ETBE) 40 N D <br /> t-Amyl Methyl Ether(TAME:) 40 N D <br /> Surrogates Control Ltmd% % Recovery <br /> Dibromofiuoromethane 50 150 100 <br /> 1,2-Dichloroethane-d4 50 150 88 <br /> Analytes reported as N D were not present above the stated limit of detection Because matrix effects and/or other factors <br /> required additional sample dilution,detection limits for this sample have been raised <br /> SEQUOIA ANALYTICAL, #1271 <br /> A� <br /> ianne Fegley <br /> Project Manager <br /> 9071248 GET <2> <br />