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TABLE 4 Page 3 of 4
<br /> GROUNDWATER EXTRACTION-MASS REMOVAL DATA
<br /> SHELL STOCKTON TERMINAL
<br /> 3515 NAVY DRIVE,STOCKTON,CALIFORNIA
<br /> Estimated Cumulative Cumulative Cumulative
<br /> Baker Tank Cumulative Period System TPHg TPHg TPHg Benzene Benzene Benzene MTBE MTBE MTBE
<br /> Totalizer Totalizer Volume Flow Rate Sample Concentration Removed Removed Concentration Removed Removed Concentration Removed Removed
<br /> Date (gal) (gal) (gal) (gpm) Date (pg/L) (pounds) (pounds) (Ygm (pounds) (pounds) (YgIL) (pounds) (pounds)
<br /> 11/30/09 69,610 587,254 760 0.09 11/13/09 22,000 0.140 353.6 2,300 0.015 50.4 18,000 0.114 150.3
<br /> 12/14/09 74,710 592,354 5,100 0.25 11/13/09 22,000 0.936 354.5 2,300 0.098 50.5 18,000 0.766 151.1
<br /> 01/05/10 78,660 596,304 3,950 0.12 11/13/09 22,000 0.725 355.2 2,300 0.076 50.6 18,000 0.593 151.7
<br /> 01/19/10 80,420 598,064 1,760 0.09 11/13/09 22,000 0.323 355.6 2,300 0.034 50.6 18,000 0.264 151.9
<br /> 02/18/10 83,390 601,034 2,970 0.07 02/03/10 25,000 0.620 356.2 2,400 0.059 50.7 14,000 0.347 152.3
<br /> 03/04/10 85,640 603,284 2,250 0.11 02/03/10 25,000 0.469 356.7 2,400 0.045 50.7 14,000 0.263 152.5
<br /> 03/30/10 90,880 608,524 5,240 0.14 02/03/10 25,000 1.093 357.8 2,400 0.105 50.8 14,000 0.612 153.1
<br /> 04/13/10 91,430 609,074 550 0.03 02/03/10 25,000 0.115 357.9 2,400 0.011 50.8 14,000 0.064 153.2
<br /> 04/22/10 93,330 610,974 1,900 0.15 02/03/10 25,000 0.396 358.3 2,400 0.038 50.9 14,000 0.222 153.4
<br /> 05/04/10 96,750 614,394 3,420 0.20 05/06/10 17,000 0.485 358.7 2,800 0.080 50.9 16,000 0.457 153.9
<br /> 05/19/10 98,310 615,954 1,560 0.07 05/06/10 17,000 0.221 359.0 2,800 0.036 51.0 16,000 0.208 154.1
<br /> 06/11/10 101,776 619,420 3,466 0.10 05/06/10 17,000 0.492 359.5 2,800 0.081 51.0 16,000 0.463 154.6
<br /> 06/23/10 101,780 619,424 4 0.00 05/06/10 17,000 0.001 359.5 2,800 0.000 51.0 16,000 0.001 154.6
<br /> 07/15/10 103,904 621,548 2,124 0.07 05/06/10 17,000 0.301 359.8 2,800 0.050 51.1 16,000 0.284 154.8
<br /> 07/29/10 104,281 621,925 377 0.02 05/06/10 17,000 0.053 359.8 2,800 0.009 51.1 16,000 0.050 154.9
<br /> 08/11/10 105,968 623,612 1,687 0.09 05/06/10 17,000 0.239 360.1 2,800 0.039 51.1 16,000 0.225 155.1
<br /> 08/26/10 105,970 623,614 2 0.00 08/31/10 26,000 0.000 360.1 2,400 0.000 51.1 21,000 0.000 155.1
<br /> 09/27/10 108,945 626,589 2,975 0.06 08/31/10 26,000 0.645 360.7 2,400 0.060 51.2 21,000 0.521 155.6
<br /> 10/06/10 111,843 629,487 2,898 0.22 08/31/10 26,000 0.629 361.3 2,400 0.058 51.3 21,000 0.508 156.2
<br /> 10/18/10 111,860 629,504 17 0.00 08/31/10 26,000 0.004 361.3 2,400 0.000 51.3 21,000 0.003 156.2
<br /> 11/03/10 113,742 631,386 1,882 0.08 08/31/10 26,000 0.408 361.7 2,400 0.038 51.3 21,000 0.330 156.5
<br /> 11/15/10 113,760 631,404 18 0.00 08/31/10 26,000 0.004 361.7 2,400 0.000 51.3 21,000 0.003 156.5
<br /> 12/10/10 118,318 635,962 4,558 0.13 08/31/10 26,000 0.989 362.7 2,400 0.091 51.4 21,000 0.799 157.3
<br /> 12/20/10 118,323 635,967 5 0.00 08/31/10 26,000 0.001 362.7 2,400 0.000 51.4 21,000 0.001 157.3
<br /> 01/07/11 122563 640,207 4,240 0.16 08/31/10 26,000 0.920 363.7 2,400 0.085 51.5 21,000 0.743 158.0
<br /> 01/18/11 122570 640,214 7 0.00 08/31/10 26,000 0.002 363.7 2,400 0.000 51.5 21,000 0.001 158.0
<br /> 02/08/11 126,062 643,706 3,492 0.12 08/31/10 26,000 0.758 364.4 2,400 0.070 51.5 21,000 0.612 158.6
<br /> 02/16/11 126,100 643,744 38 0.00 02/18/11 10,000 0.003 364.4 1,300 0.000 51.6 14,000 0.004 158.6
<br /> 03/02/11 129,475 647,119 3,375 0.17 02/18/11 10,000 0.282 364.7 1,300 0.037 51.6 14,000 0.394 159.0
<br /> 03/15/11 130,940 648,584 1,465 0.08 02/18/11 10,000 0.122 364.8 1,300 0.016 51.6 14,000 0.171 159.2
<br /> 06/01/11 135,982 653,626 5,042 0.04 02/18/11 10,000 0.421 365.2 1,300 0.055 51.7 14,000 0.589 159.8
<br /> 06/24/11 145,202 662,846 9,220 0.28 02/18/11 10,000 0.769 366.0 1,300 0.100 51.8 14,000 1.077 160.9
<br /> 07/21/11 149,283 666,927 4,081 0.10 02/18/11 10,000 0.341 366.4 1,300 0.044 51.8 14,000 0.477 161.4
<br /> 08/04/11 153,340 670,984 4,057 0.20 02/18/11 10,000 0.339 366.7 1,300 0.044 51.8 14,000 0.474 161.8
<br /> 08/22/11 153,368 671,012 28 0.00 02/18/11 10,000 0.002 366.7 1,300 0.000 51.8 14,000 0.003 161.8
<br /> 09/08/11 154,016 671,660 648 0.03 02/18/11 10,000 0.054 366.7 1,300 0.007 51.9 14,000 0.076 161.9
<br /> 09/22111 154,016 671,660 0 0.00 02/18/11 10,000 0.000 366.7 1,300 0.000 51.9 14,000 0.000 161.9
<br /> 10/06/11 154,076 671,720 60 0.00 02/18/11 10,000 0.005 366.8 1,300 0.001 51.9 14,000 0.007 161.9
<br /> ..i UA
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