CAMBRIA
<br /> Table 2 Mass Removal Data-Shell-branded Service Station, 2575 Country Club Boulevard, Stockton,California
<br /> Cumulative TPPH Benzene MTBE
<br /> Volume Volume TPPH* TPPH Removed Benzene* Benzene Removed MTBE* MTBE Removed
<br /> Date Well Pumped Pumped Sample Concentration Removed To Date Concentration Removed To Date Concentration Removed To Date
<br /> Purged ID (gal) (gal) Date (ppb) (pounds) (pounds) (ppb) (pounds) (pounds) (ppb) (pounds) (pounds)
<br /> 05/08/00 RW-JA 5,000 163,255 04/18/00 64,400 268688 220 55132 14,400 060079 1394807 139,000 5 79933 241 63456
<br /> 05/22/00 RW-lA 5 000 168 255 04/18/00 64 400 268688 223 23821 14 400 060079 1454886 139,000 579933 247 43389
<br /> 06/08/00 RW-lA 5 000 173,255 04/18/00 64,400 2 68688 225 92509 14,400 060079 15 14966 139,000 5 79933 253 23321
<br /> 06/19/00 RW-1A 5 000 178 255 04/18/00 64 400 268688 228 61197 14 400 060079 1575045 139,000 5 79933 259 03254
<br /> 06/23/00 RW-lA 5 000 183 255 04/18/00 64 400 268688 231 29885 14 400 060079 1635125 139,000 579933 264 83187
<br /> 07/03/00 RW-[A 5 000 188,255 04/18/00 64,400 268688 233 98574 14,400 060079 1695204 139,000 579933 270 63120
<br /> 07/31/00 RW-1A 5 000 193 255 07/28/00 45 000 187748 235 86322 13 500 056324 1751528 142,000 634171 276 97291
<br /> 08/07/00 RW-1A 5,000 198,255 07/28/00 45,000 187748 237 74070 13 500 056324 1807853 142,000 634171 283 31462
<br /> 08/14/00 RW-1A 200 198 455 07/28/00 45 000 007510 237 81580 13 500 002253 18 10106 152,000 025367 283 56829
<br /> 08/22/00 RW-1A 5,000 203,455 07/28/00 45,000 l 87748 239 69328 13500 056324 1866430 152,000 634171 289 91000
<br /> 08/25/00 RW-lA 5 000 208,455 07/28/00 45,000 1 87748 241 57076 13,500 056324 1922755 152,000 634171 296 25171
<br /> 08/27/00 RWAA 4 800 213 255 07/28/00 45 000 1 80238 243 37314 13 500 054071 1976826 152,000 608804 302 33975
<br /> 08/29/00 RW-lA 2 800 216 055 07/28/00 45 000 105139 244 42453 13,500 031542 2008368 152,000 3 55136 305 89111
<br /> 08/31/00 RW-lA 4 300 220 355 07/28/00 45 000 1 61463 246 03916 13 500 048439 2056807 152,000 545387 311 34498
<br /> 09/01/00 RW-1A 4,800 225,155 07/28/00 45 000 1 80238 247 84154 13,500 054071 21 10878 152,000 608804 317 43302
<br /> 09/08/00 RW-1A 5,000 230,155 07/28/00 45,000 1 87748 249 71902 13,500 056324 2167202 152,000 634171 323 77473
<br /> 09/13/00 RWAA 5,000 235,155 07/28/00 45,000 1 87748 251 59650 13,500 056324 2223527 152,000 634171 330 11644
<br /> 09/15/00 RW-1A 5 000 240,155 07/28/00 45,000 1 87748 253 47398 13,500 056324 2279851 152,000 634171 336 45815
<br /> 09/19/00 RWAA 400 240,555 07/28/00 45 000 0 15020 253 62418 13 500 004506 2284357 152,000 050734 336 96549
<br /> 09/20/00 RW-1A 4,470 245,025 07/28/00 45,000 1 67847 255 30265 13,500 050354 2334711 152,000 566949 342 63498
<br /> 09/23/00 RW-IA 5 000 250 025 07/28/00 45 000 1 87748 257 18013 13 500 056324 2391036 152,000 634171 348 97669
<br /> 09/27/00 RW-IA 5 000 255,025 07/28/00 45,000 1 87748 259 05761 13,500 056324 2447360 152,000 634171 355 31840
<br /> 09/29/00 RW-IA 5,000 260,025 07/28/00 45,000 1 87748 260 93509 13,500 056324 2503684 152,000 634171 361 66011
<br /> 10/02/00 RW-lA 4,800 264 825 07/28/00 45 000 1 80238 262 73747 13 500 054071 25 57756 152,000 608804 367 74816
<br /> 10/11/00 RW-lA 5 000 269 825 07/28/00 45 000 1 87748 264 61495 13,500 056324 26 14080 152,000 634111 374 08987
<br /> 10/13/00 RW-1A 5,000 274 825 07/28/00 45 000 1 87748 266 49243 13 500 056324 2670405 152,000 634171 380 43158
<br /> 10/17/00 RW-1A 5 000 279 825 07/28/00 45 000 1 87748 268 36991 13 500 056324 2726729 152,000 634171 386 77329
<br /> 10/21/00 RWAA 5 000 284 825 07/28/00 45 000 1 87748 270 24739 13,500 056324 2783053 152,000 634171 393 11500
<br /> 10/24/00 RW-1A 4 800 289,625 10/19/00 38,200 1 53002 271 77741 9 850 039452 2822506 87 100 348861 396 60361
<br /> 10/27/00 RW-1A 5 000 294 625 10119100 38,200 1 59377 273 37118 9,850 041096 2863602 87 100 3 63397 400 23757
<br /> 11/01/00 RW-1A 5 000 299,625 10/19/00 38 200 1 59377 274 96495 9 850 041096 2904698 87 100 3 63397 403 87154
<br /> 11/03/00 RW-1A 4,500 304,125 10/19/00 38 200 143439 276 39935 9,850 036986 2941684 87 100 327057 407 14211
<br /> 11/07/00 RW-]A 4 800 308,925 10/19/00 38 200 1 53002 277 92937 9,850 039452 2981136 87 100 348861 410 63072
<br /> 11/11/00 RW-lA 4,800 313,725 10/19/00 38,200 153002 27945939 9,850 039452 3020588 87100 348861 41411933
<br /> 11/15/00 RW-1A 4 800 318 525 10/19/00 38 200 1 53002 280 98941 9 850 039452 3060040 87 100 348861 417 60794
<br /> 11/18/00 RW-1A 4 600 323 125 10/19/00 38,200 146627 282 45568 9 850 037808 3097849 87,100 334325 420 95119
<br /> 11/21/0() RWAA 4,800 327 925 10/19/00 38 200 153002 283 98570 9 850 039452 3137301 87,100 348861 424 43979
<br /> 11128100 RW-1A 4 800 332 725 10/19/00 38,200 153002 285 51572 9,850 039452 3176753 87,100 3 48861 427 92840
<br /> 0783 2 of 3
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