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<br /> CAMBRIA
<br /> TPH Benzene MTBE
<br /> Site Flow Meter Cumulative Flaw TPHg Period Cumulative Benzene Period Cumulative MTBE Period Cumulative
<br /> Visit Reading Volume Rate Conc Removal Removal Conc Removal Removal Cone Removal Removal Active
<br /> (mm/dd/ ) ( al) ( al) ( m) (ppb) (Pounds) (pounds) (Ppb) (pounds) (pounds) (ppb) (pounds) (pounds) Wells Comments
<br /> 09/10/03 628 820 1,939 960 164 12,000 497 5732 3,900 1 614 7929 19 000 786 721 2 RW-1 A
<br /> 09/23/03 677,030 1988,170 258 17 000 624 5800 2,500 1 006 8029 10,000 402 7252 RW-1A
<br /> IM2103 709,811 2020,951 253 7 100 194 5819 1 600 0 438 8073 7 400 202 7273 RW]A
<br /> System shutdown on 10114103 Carbon
<br /> changeout performed on 10/16/04 and
<br /> 10/14/03 751,280 2062,420 240 NS 246 5944 NS 0 554 9128 NS 256 7298 RW 1A system left off
<br /> System restarted pumping into a baker
<br /> 06/08/04 751,288 2,062,428 000 NS 000 5844 NS 0 000 8128 NS 000 7298 RW 1A tank on site
<br /> 06/11/04 757,675 2 068 815 148 14,000 075 585 1 3,800 0203 8149 81900 047 7303 R W-1 A
<br /> 06/18/04 772,120 2,083 260 143 19,000 229 5874 4,400 0 530 8202 12,000 145 7317 RW-1A
<br /> Resumed discharge to the sanitary sewer
<br /> 06/24/04 784 413 2 095 553 142 25,000 256 5900 5,800 0 595 8261 18,000 185 7336 RW-1A on 6123104
<br /> System shut down pending carbon
<br /> 06/28/04 802,540 2,113 680 3 15 NS 378 5938 NS 0 877 8349 NS 272 7363 RW IA replacement
<br /> Carbon changeout of all 4 vessels
<br /> 07/06/04 802 546 2 113 686 000 NS 000 5938 NS 0 000 9349 NS 000 7363 RW IA performed on 8/6/04
<br /> 07/09/04 809,260 2,120,400 155 20 000 1 12 5949 4 400 0 247 9373 15,003 084 7371 R W-1 A
<br /> 07/16/04 846 394 2 157 534 368 <25 000 387 5989 5,400 1 673 8541 27,000 837 7455 RW-IA
<br /> 07!27104 878 520 2199660 3 72 43,000 1153 6103 5,400 1 448 8686 25 000 670 1522 RW-IA
<br /> 07/30104 918,907 2,230,047 341 28,000 944 6197 3,600 1.213 8807 20,000 674 7590 RW 1A
<br /> 08/05/04 949,210 2,260,350 3.51 NS 708 626.8 NS 0 910 8898 NS 506 7640 RW-1A System shut down 8/5/04
<br /> Carbon changeout of all 4 vessels
<br /> performed on 8112104 System left off
<br /> 08/12/04 950,420 2,261,560 012 NS 0 28 6271 NS 0 036 89 02 NS 020 764 2 RW 1A Water drained into baker tank on site
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