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CAMBRIA
<br /> Table 1 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) ( al) Date (ppb) (pounds) (pounds) (ppb) ( ounds) (pounds) (ppb) (pounds) (pounds)
<br /> 09 May-00 BF 1 2000 13 500 05/01/00 1 850 0 031 107 240 0 004 0 014 106,000 1 769 794
<br /> 09-Jun 00 BF 1 2 500 16 000 05/01/00 1,850 0 039 1 11 240 0 005 0 019 106,000 2 211 102
<br /> 11 Jul 00 BF 1 0 16 000 05/01/00 1,850 0 000 1 11 240 0 000 0 019 106,000 0 000 102
<br /> 08 Aug-00 BF 1 1783 17 783 08/03/00 <5 000 0 037 1 15 160 0 002 0 022 118,000 1 756 119
<br /> 08-Sep-00 BF 1 1 350 19 133 08/03/00 <5,000 0 028 1 18 160 0 002 0 024 118 000 1 329 132
<br /> 12 Dec 00 2 BF-1 2 480 21 613 10/30/00 18 300 0 379 156 260 0 005 0 029 64 700 1 339 146
<br /> 23 Jan Ol BF-1 2,460 24,073 01123/01 <20 000 0205 176 390 0 008 0 037 110 000 2 258 168
<br /> 15 Feb-01 BF-1 2 422 26 495 01123/01 <20 000 0202 196 390 0 008 0 045 110 000 2 223 191
<br /> 23 Mar-O l BF-1 2,101 28,596 01123/01 <20 000 0 175 214 390 0 007 0 052 110 000 1928 210
<br /> 26-Apr-01 BF-1 2 400 30 996 01/23/01 QO 000 0200 234 390 0 006 0 060 110,000 2203 232
<br /> 06-May-01 3 BF-1 5,529 36,525 01/23/01 <20,000 0 461 280 396 0 018 0 078 110,000 5 075 283
<br /> 23-May-01 BF-1 2 180 38 705 01/23/01 <20,000 0 182 298 390 0 007 0 085 110,000 2001 303
<br /> 08 tun 01 BF-1 2 400 41 105 0&05101 <13 000 0 130 3 11 <50 0 001 0 085 33,000 0 661 309
<br /> 22-jun Ol BF 1 3 700 44 805 06/05/01 <13 000 0201 331 <50 0 001 0 086 33 000 1019 319
<br /> 05-Jul-0l BF 1 2,500 47 305 06/05/01 <13,000 0 136 345 <50 0 001 0 086 33,000 0 688 326
<br /> 23 Jul 01 BF 1 2200 49 505 06/05/01 <13 000 0 119 357 <50 0 O00 0 087 33 000 0 606 332
<br /> 09 Aug-01 BF 1 1 500 51005 07/27/01 <20 000 0 125 369 <200 0 001 0 088 75 000 0 939 342
<br /> 25-Aug-01 BF-1 2 100 53,105 07127/01 <20 000 0 175 387 <200 0 002 0 090 75 000 1 314 355
<br /> 08 Sep-01 BF-1 1,400 54,505 07/27/01 <20,000 0 117 399 <200 0 001 0 091 75,000 0 876 364
<br /> 28 Sep-01 BF-1 1,000 55 505 07127/01 <20,000 0 083 407 <200 0 001 0 092 75,000 0 626 370
<br /> 17-Oct-01 BF-1 2,400 57,905 07/27/01 40,ODO 0200 427 <200 0 002 0 094 75,000 1502 38.5
<br /> 29-Oct-01 BF-1 2,400 60,305 10/24/01 <200 0 002 427 <2 0 0 000 0 094 690 0 014 388
<br /> 14-Nov-01 BF-1 2,400 62,705 10/24/01 <200 0 002 427 Q.0 0 000 0 094 690 0 014 385
<br /> 28 Nov-01 BF-1 2,400 65,105 10/14/01 <200 0 002 4.28 <20 0 000 0 094 690 0 014 385
<br /> 12 Dee-Of BF-1 11000 66,105 10/24/01 <200 0 001 428 <2 0 0 000 0 094 690 0 006 385
<br /> 26-Dec-01 BF-1 2,500 68,605 10/14/01 <200 0 002 428 <2 0 0 000 0 094 690 0 014 386
<br /> Total Gallons Extracted 122,008 Total Pounds Removed 5.19 0 099 48.5
<br /> Total Gallons Removed 0 851 0 014 735
<br /> Abbreviations&Notes
<br /> TPHg=Total purgeable hydrocarbons as gasoline
<br /> MTBE=Methyl tertiary butyl ether
<br /> ppb=Parts per billion,equivalent to pg1L
<br /> µg=Micrograms
<br /> L=Liter
<br /> gal=Gallon
<br /> g=Gram
<br /> Groundwater extracted by vacuum trucks provided by ACTI through December 2001 Phillips Services as of January2002 Water disposed of at a Martinez refinery
<br /> TPHg and benzene analyzed by EPA Method 8015/8020
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