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Sequoia <br />IwoAnalytical <br />819 Striker Avenue Suite 8 <br />Sacramento, CA 95834 <br />(916)921-9600 <br />FAX (916) 9Z1-0100 <br />www sequoiaiabs com <br />Gettler-Ryan - Dublin Project Chevron 9-5775, Lodi , CA �iampied NL5/uu <br />6747 Sierra Court, Ste J Project Number 346408 85 Received 5126100 <br />Dublin, CA 94568 Project Manager Deanna L Harding Reported 6112100 <br />Total Purgeable Hydrocarbons (C6 -C12) and BTEX by DHS LUFT/Quality Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov RPD RPD <br />Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br />Batch- 0060078 <br />Date Prepared <br />615100 <br />0 500 <br />Extraction Method EPA 5030B <br />e0 <br />ND " <br />Blank <br />0060078-BLKI <br />0 500 <br />108 <br />600-140 108 <br />Purgeable Hydrocarbons <br />615100 <br />ND <br />ug/l <br />Soo <br />Benzene <br />ND <br />0 500 <br />Toluene <br />ND <br />0 500 <br />Ethylbenzene <br />ND <br />0 500 <br />X lents (total) <br />ND <br />0 500 <br />Surrogate a,a,a-Trifluorotoluene <br />100 <br />115 <br />600-140 <br />115 <br />Les <br />0060078 -BSI <br />Benzene <br />615100 <br />too <br />106 <br />ug/I <br />700-130 <br />106 <br />' <br />Toluene <br />It <br />10 0 <br />106 <br />700-130 <br />106 <br />Ethylbenzene <br />IF10 <br />0 <br />11 0 <br />700-130 <br />110 <br />Xylenes: (total) <br />IF <br />300 <br />326 <br />It700-130 <br />109 <br />Surrogate a,a,a-Tr4uoroto1uene <br />" <br />100 <br />118 <br />If600-140 <br />118 <br />Matrix Spike <br />0060078 -MSI <br />S005402-02 <br />Benzene <br />615100 <br />100 <br />ND <br />107 <br />ug/I <br />600-140 <br />107 <br />Toluene <br />IF <br />100 <br />ND <br />104 <br />600-140 <br />104 <br />Ethylbenzene <br />OF <br />10 0 <br />ND <br />108 <br />111600-140 <br />108 <br />Xylcnes (total) _ <br />300 <br />ND <br />323 <br />600-140 <br />108 <br />Surrogate a,a,a-TriJluorotoluene <br />IF <br />100 <br />115 <br />600-140 <br />115 <br />Matrix Spike Duo <br />0060078-MSD1 <br />S005402-02 <br />Benzene <br />6/5/00 <br />100 <br />ND <br />977 <br />118/1 <br />600-140 <br />97.7 <br />250 <br />909 <br />Toluene <br />" <br />100 <br />ND <br />965 <br />600-140 <br />96.5 <br />250 <br />7.48 <br />Ethylbenzene <br />100 <br />ND <br />l0 0 <br />" <br />600-140 <br />100 <br />250 <br />7.69 <br />X lcnes (total) <br />300 <br />ND <br />298 <br />600-140 <br />993 <br />25 0 <br />839 <br />Surrogate a,a,a-Trifluorotoluene <br />100 <br />113 <br />OF600-140 <br />113 <br />Batch 0060080 <br />Blank <br />Purgeable Hydrocarbons <br />Benzene <br />Toluene <br />Ethylbenzene <br />Date Prepared 6/6100 <br />0060080-BLKI <br />6/6100 <br />« <br />« <br />F <br />Surrogate aa a-Trfluorotoluene OF100 <br />Extraction Method- EPA 5030B {MeM <br />ND ug/I <br />500 <br />ND it <br />0 500 <br />ND " <br />0 500 <br />ND " <br />0500 <br />ND " <br />0 500 <br />108 <br />600-140 108 <br />LCS 0060080 -BS 1 <br />Benzene 616/00 too 10 4 ug/I 700-130 104 <br />Toluene It 100 103 It 700-130 103 • <br />Sequoia Analytical - Sacramento *Refer to end of report for test of notes and definitions <br />Page 6of10 <br />