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CRA
<br /> Table 3.Mass Removal Data,Shell-branded Service Station,2375 West Grant Line Road,Tracy,California
<br /> Cumulative Cumulative Cumulative
<br /> Volume Volume TPHg TPHg TPHg MTBE MTBE MTBE
<br /> Date Well Pumped Pumped Sample Concentration Removed Removed Conci ntration Removed Removed
<br /> Purged ID (gal) (gal) Date (µg/L) (pounds) (pounds) (µg/L) (pounds) (pounds)
<br /> 08/29/05 MW-1 60 60 07/28/05 <50 0:000 0.000 150 0.000 0.000
<br /> 09/26/05 MW-1 59 119 07/28/05 <50 0.000 0.000 150 0.000 0.000
<br /> 10/25/05 MW-1 63 182 10/28/05 <500 0.000 0.000 1,300 0.001 0.001
<br /> 11/21/05 MW-1 65 247 10/28/05 <500 0.000 0.000 1,300 0.001 0.002
<br /> 12/29/05 MW-1 500 747 10/28/05 <500 0.001 0.001 1,300 0.005 0.007
<br /> 01/10/06 MW-1 500 1,247 10/28/05 <500 0.001 0.002 1,300 0.005 0.012
<br /> 02/10/06 MW-1 400 1,647 01/30/06 340 0.001 0.004 250 0.001 0.013
<br /> F 03/10/06 MW-1 500 2,147 03/09/06 130 0.001 0.004 290 0.001 0.014
<br /> 04/04/06 MW-1 400 2,547 04/27/06 140 0.000 0.005 200 0.001 0.015
<br /> 05110/06 MW-1 700 3,247 05/22106 450 0.003 0.007 260 0.002 0.017
<br /> 06113!06 MW-1 0 3,247 06/26/06 430 0.000 0.007 280 0.000 0.017
<br /> 07/11106 MW-1 500 3,747 07/19/06 460 0.002 0.009 230 0.001 0.018
<br /> 08/29/06 MW-1 500 4,247 08123/06 810 0.003 0.012 400 0.002 0.019
<br /> 09/26/06 MW-1 367 4,614 09120106, 430 0.001 0.014 500 0.002 0:021
<br /> 10/14/06 MW-1 Ill 5,325 10/25/06 320 0.002 0.016 410 0.002 0.023
<br /> 11117/06 MW-1 305 5,630 11/28/06 410 0.001 0.017 230 0.001. 0.024
<br /> 12/15/06 MW-1 317 5,947 12/14/06 230 0.001 0.017 320 0.001 0.025
<br /> 12122/06 MW-1 0 5,947 12/14/06 230 0.000 0.017 320 0.000 0.025
<br /> 01117/07 MW-1 34 5,980 01/22/07 380 0.000 0.017 240 0.000 0.025
<br /> 02/13/07 MW-1 85 6,065 02/23/07 250 0.000 0.018 200 0.000 0.025
<br /> 03112/07 MW-1 425 6,490 03/05/07 160 0.001 0.018 150 0.001 0.025
<br /> 08/29/05 MW-6 547 $47 07/28/05 <2,000 0.005 0.005 3,000 0.014 0.014
<br /> 09/26/05 MW-6 560 1,107 07/28/05 Q,000 0.005 0.009 3,000 0.014 0.028
<br /> 10/25/05 MW-6 600 1,707 .10/28/05 <1,300 0.003 0.012 2,700 0.014 0.041
<br /> 11/21/05 MW-6 600 2,307 10/28/05 <1,300 0.003 0.016 2,700 0.014 0.055
<br /> 12/29/05 MW-6 280 2,587 10/28/05 <1,300 0.002 0.017 2,700 0.006 0.061
<br /> 01/10/06 MW-6 254 2,841 10/28/05 <1,300 0.001 0.019 2,700 0.006 0.067
<br /> 02/10/06 MW-6 205 3,046 01/30/06 1,400 0.002 0.021 890 0.002 0.068
<br /> 03/10/06 MW-6 256 3,302 03/09/06 270 0.001 0.022 1,000 0.002 0.070
<br /> 04/04/06 MW-6 157 3,459 04/27/06 380 0.000 0.022 510 0.001 0.071
<br /> 05/10/06 MW-6 400 3,859 05/22/06 990 0.003 0.025 590 0.002 0.073
<br /> 06113/06 MW-6 0 3,859 06/26106 650 0.000 0.025 490 0.000 0.073
<br /> 07/11/06 MW-6 300 4,159 07/19/06 490 0.001 0.027 260 0.001 0.074
<br /> 08/29/06 MW-6 300 4,459 08/23/06 .510 0.002 0.029 400 0.001 0.075
<br /> 09/26/06 MW-6 367 4,826 09/20/06 520 0.002 0.030 620 0.002 0.077
<br /> 10/14/06* MW-6 0 4,826 10/25/06 370 0.000 0.030 510 0.000 0.077
<br /> 11/17/06 MW-6 305 5,131 11/28/06 850 0.002 0.032 520 0.001 0.078
<br /> 12/15/06 MW-6 317 5,448 12/14/06 340 0.001 0.033 520 0.001 0.079
<br /> 12122/06 MW-6 0 5,448 12/14/06 340 0.000 0.033 520 0.000 0.079
<br /> 01117/07 MW-6 34 5,481 01/22/07 250 0.000' 0.033 470 0.000 0.079
<br /> 02113/07 MW-6 85 5,566 02/23/07 340 0.000 0.034 350 0.000 0.080
<br /> 03/12/07 MW-6 425 5,991 03/05/07 500 0.002 0.035 490 0.002 0.081
<br /> ata1 Gallons)watracted 12,481 ° , , 'Total Pounds l ioxho 0.054, ' 0 Ip7 Ne
<br /> r, Total Gallons Removed ni ms`s E 0 009,,E 0 017
<br /> 1661 Page 1 of 2
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