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CAMBRIA
<br /> Table 2.Mass Removal Data,Shell-branded Service Station,3725 Tracy Boulevard,Tracy,California
<br /> Cumulative Cumulative Cumulative Cumulative
<br /> Volume Volume TPHg TPHg TPHg Benzene Benzene Benzene MTBE MTBE MTBE
<br /> Date Well Pumped Pumped Sample Concentration Removed Removed Concentration Removed Removed Concentration Removed Removed
<br /> Purged ID ___(gal) (gal) Date (ppb) (pounds) (pounds) (ppb) (pounds)_ -(pounds) (ppb) (pounds) (pounds)
<br /> 07-Feb-00 MW-lA 1,000 1,000 12/07/99 <500 0 002 0 002 <5 00 0 000 0 000 46,900 0 391 0 391
<br /> 07-Mar-00 MW-1A 1,000 2,000 02/18/00 10,000 0 083 0 086 <100 0 000 0 000 47,500 0 396 0 788
<br /> 07-Apr-00 MW-lA 500 2,500 02/18/00 10,000 0 042 0 127 <100 0 000 0 001 47 500 0 198 099
<br /> 09-May-00 MW-1A 1,000 3,500 05/01/00 2,740 0 023 0 150 <25 0 000 0 001 26,300 0 219 121
<br /> 09-Jun-00 MW-to 1,000 4,500 05/01/00 2,740 0 023 0 173 <25 0 000 0 001 26,300 0 219 142
<br /> 11-Jul-00 MW-lA 4,000 8,500 05/01/00 2,740 0 091 0 264 <25 0 000 0 001 26,300 0 878 2 30
<br /> 08-Aug-00 MW-lA 1,000 9,500 08/03/00 <2,500 0 010 0 275 <1110 0 000 0 001 54,700 0 456 276
<br /> 08-Sep-00 MW-1A 1,000 10,500 08/03/00 <2 500 0 010 0 285 <111 0 0 000 0 002 54 700 0 456 322
<br /> 01-Nov-00 MW-LA 303 I0,803 10/30/00 217 0 001 0 286 356 0 000 0 002 69,300 0 175 339
<br /> 12-Dec-00 2 MW-1A 2,000 12,803 10/30/00 217 0 004 0 289 356 0 000 0 002 69,300 1 157 455
<br /> 23-Jan-01 MW-1A 2,000 14,803 01/23/01 02,000 0 017 0 306 <20 0 000 0 002 21,000 0 350 490
<br /> 15-Feb-01 MW-1A 2,000 16,803 01/23/01 <2,000 0 017 0 323 <20 0 000 0 002 21,000 0 350 525
<br /> 23-Mar-01 MW-1A 2,000 18,803 01/23/01 <1,000 0 017 0 340 <20 0 000 0 002 21,000 0 350 560
<br /> 26-Apr-01 MW-1A 2,000 20,803 01/23/01 <2,000 0 017 0 356 <20 0 000 0 002 21,000 0 350 595
<br /> 23-May-01 3 MW-lA 2,000 22,803 01/23/01 <Z,000 0 017 0 373 <20 0 000 0 003 21,000 0 350 630
<br /> 08-Jun-01 MWA A 2,000 24,803 06/05/01 <2,000 0 017 0 390 <20 0 000 0 003 7,800 0 130 643
<br /> 22-Jun-01 MW-lA 500 25,303 06/05/01 02,000 0 004 0 394 <20 0 000 0 003 7,800 0 033 646
<br /> 05-Jul-01 MW-1A 2,500 27,803 06/05/01 <2,000 0 021 0 415 <20 0 000 0 003 7,800 0 163 662
<br /> 23-Jul-01 MW-lA 1,800 29,603 06/05/01 <2,000 0 015 0 430 <20 0 000 0 003 7,800 0 117 674
<br /> 09-Aug-01 MW-1A 2,300 31,903 07/27/01 <5,000 0 048 0 478 <25 0 000 0 003 19,000 0 365 7 11
<br /> 25-Aug-01 MW-1A 2,400 34,303 07/27/01 <5,000 0 050 0 528 <25 0 000 0 004 19,000 0 381 749
<br /> 08-Sep-01 MW-1A 3,600 37,903 07/27/01 <5,000 0 075 0 603 <25 0 000 0 004 19,000 0 571 806
<br /> 28-Sep-01 MW-1A 2,800 40,703 07/27/01 <5,000 0 058 0 661 <25 0 000 0 004 19,000 0 444 8 50
<br /> 17-Oct-01 MW-1A 2,400 43,I03 07/27/01 <5,000 0 050 0711 <25 0 000 0 005 19,000 0 381 888
<br /> 29-Oct-01 MW-1A 2,500 45,603 10/24/01 <5,000 0 052 0 763 <25 0 000 0 005 13,000 0 271 9 15
<br /> 14-Nov-01 MW-1A 2,400 48,003 10/24/01 <5,000 0 050 0 813 <25 0 000 0 005 13,000 0 260 941
<br /> 28-Nov-O t MW-1A 2,400 50,403 10/24/01 <5,000 0 050 0 864 <25 0 000 0 005 13,000 0 260 967
<br /> 12-Dec-01 MW-1A 500 50,903 10/24/01 <5,000 0 010 0 874 <25 0 000 0 005 13,000 0 054 973
<br /> 26-Dec-01 MW-1A 1,500 52,403 10/24/01 <5,000 0 031 0 905 <25 0 000 0 005 13,000 0 163 989
<br /> 09-Jan-02 MWAA 2000 54 403 10/24/01 <5,000 0 042 0 947 <25 0 000 0 006 13,000 0 217 101
<br /> 23-Jan-02 MW-1A 1,900 56,303 01/23/02 <2,500 0 020 0 967 <25 0 000 0 006 16,000 0 254 104
<br /> 06-Feb-02 MW-1A 1,800 58,103 01/23/02 02,500 0 019 0 986 <25 0 000 0 006 16,000 0 240 106
<br /> 20-Feb-02 MW-1A 2,000 60,103 01/23/02 <2,500 0 021 101 <25 0 000 0 006 16,000 0 267 109
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