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<br /> 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) (gal) Date (ppb) (pounds) (pounds) (Ppb) (pounds) (pounds) (ppb) (pounds) (pounds)-
<br /> 11 Jul-00 MW-2A 1000 5,500 05/01/00 <50 0 000 0 002 <0 5 0 000 0 000 265 0 002 0 032
<br /> 08-Aug-00 MW-2A 11000 6 500 08/03/00 c50 0 000 0 002 <05 0 000 0 000 526 0 000 0 032
<br /> 08-Sep-00 MW-2A 1,000 7 500 08/03/00 <50 0 000 0 002 <0 5 0 000 0 000 526 0 000 0 033
<br /> 07 Mar-00 BF-1 3,000 9 500 02118/00 <50 000 0 626 0 626 <500 0 006 0 006 148,000 3 705 370
<br /> 07-Apr-00 BF-1 2000 11,500 02!18100 <50,000 0 417 104 <500 0 004 0 010 148 000 2 470 6 17
<br /> 09-May-00 BF-1 2,000 13 500 05/01/00 1 850 0 031 107 240 0 004 0 014 106,000 1 769 7 94
<br /> 09 Jun-W BF-1 2 500 16 000 05/01/00 1 850 0 039 1 11 240 0 005 0 019 106 000 2 211 10 2
<br /> 11 Jul-00 BF 1 0 16,000 05101100 1,850 0 000 1 11 240 0 000 0 019 106,000 0 000 10 2
<br /> 08 Aug-00 BF 1 1 783 17,783 08/03/00 <51000 0 037 1 15 160 0 002 0 022 118,000 1 756 119
<br /> 08 Sep-00 BF-1 1 350 19,133 08103!00 61000 0 028 1 18 160 0 002 0 024 118 000 1 329 13 2
<br /> 12 Dec-00 2 Bt-1 2 480 21,613 10130!00 18,300 0 379 156 260 0 005 0 029 64,700 1 339 14 6
<br /> 23 Jan-01 BF-1 2,460 24,073 01/23/01 CLO 000 0205 176 390 0 008 0 037 110,000 2 258 168
<br /> 15-Feb-0I BF 1 2 422 26,495 01/23/01 <201000 0202 196 390 0 008 0 045 110,000 2 223 191
<br /> 23-Mar-01 BF-1 2 101 28,596 0123101 <20,000 0175 2 14 390 0 007 0 052 110,000 1928 210
<br /> 26-Apr-01 BF-1 2 400 30,996 0123101 Q0,O00 0200 234 390 0 008 0 060 110,000 2203 232
<br /> 06-May-01 3 BF 1 5,529 36 525 01123101 <20,000 0 461 280 390 0 018 0 078 110 O00 5 075 283
<br /> 23-May-0 I BF-1 21180 38 705 0123101 <20,000 0 182 298 390 0 007 0 085 110,000 2001 30 3
<br /> 08 Jun-01 BF-1 2 400 41,105 06/05/01 <13,000 0 130 3 11 <50 0 001 0 085 33,000 0 661 309
<br /> 22-Jun-0I BF 1 3,700 44 805 06/05/01 <13,000 0201 331 60 0 001 0 086 33,000 1 019 319
<br /> 05-Jul-0I BF-1 21500 47 305 06/05/01 <13,000 0 136 345 60 0 001 0 086 33 000 0 688 326
<br /> 23-Jul-01 BF 1 2200 49,505 06/05/01 <13,000 0119 357 60 0 000 0 087 33,000 0 606 332
<br /> 09-Aug-01 BF 1 1 500 51 005 07127101 <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 0727101 <20,000 0175 387 1200 0 002 0 090 75,000 1 314 355
<br /> 08-Sep of BF-1 1 400 54,505 07/27/01 <20,000 0 117 399 1200 0 001 0 091 75 000 0 876 364
<br /> 28-Sep-01 BF-1 1000 55,505 0727101 x0,000 0 083 4 07 <200 0 001 0 092 75,000 0 626 370
<br /> 17 Oct-01 BF-1 2,400 57,905 0727/01 <20,000 0200 427 <200 0 002 0 094 75,000 1 502 385
<br /> 29-Oct 01 BF-1 2 400 60,305 1024101 <200 0 002 427 <20 0 000 0 094 690 0 014 385
<br /> 14-Nov-01 BF 1 2,400 62,705 1024/01 <200 0 002 427 <20 0 000 0 094 690 0 014 385
<br /> 28-Nov Ol BF 1 2 400 65,105 1024101 <200 0 002 428 <20 0 000 0 094 690 0 014 385
<br /> 12-Dec-01 BF 1 1000 66,105 1024101 <OM 0 001 428 <20 0 000 0 094 690 0 006 395
<br /> 26 Dec-01 BF 1 2,500 68 605 1024101 <200 0 002 428 <20 0 000 0 094 690 0 014 386
<br /> 09 Jan-02 BF-1 2,550 71,155 10124101 <200 0 002 4.28 <2 0 0 000 0 094 690 0 015 386
<br /> 23 Jan-02 BF-1 1,800 72,955 0123102 X50 0 000 428 450 0 000 0 094 130 0 002 38 6
<br /> O&Feb-02 BF-1 1,700 74,655 01/23/02 <50 0 000 428 <0 SO 0 000 0 094 130 0 002 38 6
<br /> 20-Feb-02 BF-1 11000 75,655 01/23/02 <50 0 000 4 28 <050 0 000 0 094 130 0 001 38 6
<br /> Total Gallons Extmeted- 142,958 Total:Pounds Removed, 5.335 0141 50.3
<br /> Total Gallons Re o ed 0 879 0 014 815
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