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Sequoia <br />dwr <br />Analytical <br />Gettler-11yan - Dublin <br />6747 Sierra Court, Ste J <br />Dublin CA 94568 <br />Project Chevron 9-5775, Lodi , CA <br />Project Number 101207 01 <br />amtect Manager S Polston <br />819 Stoker Avenue Suite 8 <br />Sacramento CA 95834 <br />(916) 921-9600 <br />FAX (916) 92 t -0100 <br />www sequoialabs corn <br />Sampled 7126100 <br />Received 7126100 <br />Total Purgeable Hydrocarbons (C6 -C12) and BTEX to Air (ppmv) by DHS LUFI" <br />Sequoia Analytical - Sacramento <br />Number <br />Date <br />811-2 4100 <br />Surrogate Reporting <br />Limits Limit Result Units Notes' <br />EFF 5007313-01 Air 2 <br />Purgeable Hydrocarbons 0080020 7131/00 7131100 280 580 ppmv 3 <br />00160 0 129 <br />Benzene " „ <br />00130 0 161 <br />Toluene <br />00120 ND <br />Ethylbenzene <br />a 0120 ND <br />Xylenes (total) <br />600-140 890 <br />Surrogate a a a-Trifluorotoluene <br />0 <br />Sequoia Analytical - Sacramento *Refer to end of report for test of notes and definitions <br />Page 4 of 13 <br />S007313-03 <br />Air <br />2 <br />VE -4 <br />Purgeable Hydrocarbons <br />0080020 <br />7/31/00 <br />7131100 <br />560 <br />48 3 <br />ppmv <br />3,D <br />0 0320 <br />1.36 <br />D <br />Benzene <br />" <br />„ <br />00260 <br />4.52 <br />D <br />Toluene <br />0 0240 <br />1 02 <br />" <br />D <br />Eth (benzene <br />00240 <br />392 <br />D <br />es (total} <br />600-140 <br />110 <br />agate a a a-Trifluorotoluene <br />S007313-04 <br />Air <br />2 <br />VE -0 <br />Purgeable Hydrocarbons <br />0080020 <br />7131100 <br />7131/00 <br />140 <br />817 <br />ppmv <br />3,D <br />800 <br />345 <br />D <br />Beaune0 <br />N <br />" <br />" <br />0 650 <br />69.6 <br />" <br />D <br />Toluene" <br />" <br />" <br />D <br />Ethylbenzene <br />" <br />0 600 <br />388 <br />D <br />Xylenes (total) <br />" <br />t50 0-140 <br />111 <br />% <br />Surrogate a,aa-Trifluorotoluene <br />S007� 313-05 <br />AM <br />Purgeable Hydrocarbons <br />0080020 <br />7131100 <br />7131/00 <br />1400 <br />3320 <br />ppmv <br />" <br />3,D <br />D <br />N <br />" <br />" <br />800 <br />276 <br />Benzene <br />„ <br />650 <br />400 <br />" <br />D <br />Toluene <br />" <br />N <br />" <br />600 <br />26.9 <br />" <br />D <br />Ethylbenzene <br />" <br />" <br />" <br />6 00 <br />124 <br />D <br />Xylenes (total) <br />tj0 0-140 <br />113 <br />% <br />Surrogate a aa-Trifluorotoluene <br />5007313-06 <br />Air <br />VES <br />Purgeable Hydrocarbons <br />0080020 <br />7131100 <br />7131100 <br />70 0 <br />133 <br />ppmv <br />3,D <br />D <br />0 400 <br />815 <br />Benzene <br />N <br />" <br />" <br />0 325 <br />176 <br />D <br />Toluene <br />" <br />0 300 <br />2 46 <br />D <br />Etbylbenzene <br />" <br />„ <br />0 300 <br />109 <br />D <br />Xylenes (total) <br />60 0-140 <br />105 <br />% <br />Surrogate a a a-Trifluorotoluene <br />0 <br />Sequoia Analytical - Sacramento *Refer to end of report for test of notes and definitions <br />Page 4 of 13 <br />