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Sequoia <br />dpw <br />Analytical <br />%fearer-myan - UuuucI <br />6747 Sierra Court, Ste ! <br />Dublin CA 94568 <br />Project Chevron 9-5775, Lodi, CA <br />Project Number 101207 01 <br />Xrniect Manaeer S Polston <br />819 Striker Avenue Suite 8 <br />Sacramento CA 95834 <br />(916) 921-9600 <br />FAX (916) 921-0100 <br />www sequoWabs com <br />Sampled 7126100 <br />Received 7126100 <br />Reported 811-2, 4100 <br />Volatile Oxygenate Compounds by EPA Method 8260A/Quality Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov RPD RPD <br />Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br />Blank continued <br />007028 _1 <br />ND <br />ug/l <br />2 00 <br />Tert-amyl methyl ether <br />7128100 <br />3000 <br />Ethanol <br />500 <br />ND <br />502 <br />600-140 <br />100 <br />Surrogate 1 2 -DCA -d4 <br />LCS <br />00702_1 <br />7128100 <br />500 <br />49 2 <br />ug/l <br />700-130 <br />98 4 <br />Methyl tert-butvl ether <br />" <br />500 <br />508 <br />60 0-140 <br />101 <br />Surrogate 1 2 -DCA -d4 <br />LCS Duo <br />00702_ 86-BSD1 <br />7128100 <br />500 <br />5 i 6 <br />ug/l <br />70 0-130 <br />l03 25 0 4 57 <br />Methyl tert-butvl ether <br />500 <br />508 <br />600-140 <br />102 <br />Surrogate 1 2 -DCA -d4 <br />ch 0080003 <br />Date Prepared <br />811100 <br />Extraction Method EPA 5030B IPS <br />nk <br />0080003-BLKI <br />Tcrt-butyl alcohol <br />811100 <br />ND <br />ug/l <br />200 <br />2 00 <br />Methyl tert-butyl ether <br />ND <br />ND <br />200 <br />D1 -isopropyl ether <br />" <br />ND <br />200 <br />Ethyl tert-butyl ether <br />ND <br />200 <br />Tert-amyl methyl ether <br />ND <br />3000 <br />E <br />Ethanol <br />" <br />500 <br />506 <br />I <br />60 0-140 <br />101 <br />Surrogate 12 -DCA -d4 <br />.._.�..� ._� .....i ..ti,.. <br />0080003 -BSI <br />8/1100 <br />500 <br />496 <br />ug/l <br />70 0-130 <br />99 2 <br />Surrogate 1 <br />LCS Dun <br />ether <br />" 500 518 <br />0080003-BSD1 <br />8!1/00 500 522 <br />1 2 -DCA -d4 " 500 <br />" bU U -14U 1uo <br />531 11 <br />700-130 104 250 472 <br />ODU-14U IUU <br />Matrix Spike 0080003 -MSI S007313-07 <br />Methyl tert-butyl ether 811/00 500 ND 488 ug/i 60 0-140 97 6 <br />Surrogate 12 -DCA -d4 500 52 4 60 0-140 105 <br />Matrix Spike Dup <br />Methyl tert-butyl ether <br />Surrogate Il -DCA -d4 <br />008000 SDI S007313-07 <br />811100 500 ND 478 ug/1 60 0-140 95 6 25 0 2 07 <br />" 500 <br />520 .. 0UU-14U 3UV <br />0 - <br />Sequoia Analytical - Sacramento 'Refer to end of report for test of notes and def nations <br />Page 12 of 13 <br />