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TABLE 3 <br /> Vapor Extraction Operating Data <br /> Thrifty Oil Station#172, Stockton, CA <br /> TRUeading <br /> eter Cumukive I:Since Inlet Hydrocarbons Removed <br /> [late Operation last visit Flow Rate Lab Concentrations Period state Cumulative Comments <br /> 0 ) (hrs) (hrs) (cfm) ppm+r ugtt (lbs) (tbslday) pbs) <br /> 6122/2002 9 978 9 977 2 210 2 910 4 5 53 7 —34565 Found system off power failure reaiarted <br /> 8!29!2002 10 147 10 146 169 203 2 910 2798 539 34 945 <br /> 915!2002 10 311 t0 310 164 204 2 910 3632 532rff=36 <br /> -911212002 10 485 10 484 174 201 483 2 130 332 1 --45-8— <br /> 9/19/2002 10 642 10 641 157 201 2 130 251 4 384 <br /> 912612402 10 811 10 810 169 201 2 130 2706 384 <br /> 10!312002 10 9134 10983 173 201 2 130 2770 384 <br /> 10/10/2002 11 150 11 149 166 203 2 130 2671 38 6 _ <br /> 10117!2002 11 321 11 320 171 203 2 640 11 700 8978 126 0 37 604 <br /> 1012412002 11480 — <br /> 11 479 159 201 11 700 1 405 4 2121 39()()g <br /> 10131!2002 11 653 <br /> 11662 173 201 i 1 11 700 15216 211 1 40 531 <br /> /7/2002 11 820 11 819 167 205 11 700 _ 1 483 4 213 2 42 014 <br /> 11/14/2002 11 987 11 986 167 201 1 090 4 810 1 046 6 1504 43 061 <br /> 11119!2002 12 107 12 106 120 4 810 4339 868 43 495 Shut down system for Q WS <br /> 11/21/2002' <br /> 1!21!2002 12 107 12106 0 213 4 810 00 —43495 Restarted <br /> 11!26!2002 12 227 12 226 120 201 4 810 446 9 894 43 942 <br /> 121512002_ 12 231 12 230 4 201 4 810 145 868 43 956 Found system ad—tehed turned off restarted <br /> 12/12/2002 12 375 12 374 144 201 9 44038 600 --2--3496 391 6 46 306 Tome estimated hour mete(not working <br /> 12/1912002 12 455 12 454 80 203 38 600 2 332 9 699 948 639 Found system aft Installed new hour meter <br /> starting st 0 00 hour(old hr meter asl 12455) <br /> 12/26 <br /> /20-02 162 12 616 162 203 38 600 4 747 6 7033 53 386 <br /> 1121200 _ 316 12 770 154 203 38 600 4 513 1 703 3 57 899 <br /> 11912003 481 12 935 165 203 556 2 270 2 559 9 372 4 60 459 <br /> 1/1612003 650 13 104 169 203 2 270 291 3 41 4 60 750 <br /> 1/2312003 _ 818 13 272 168 203 2 270 2895 41 4 61 040 <br /> 1!30!2003 _ 984 13 438 166 _ 201 2 270 2847 41 2 61 325 <br /> 2!6!2003 1 153 13 607 169 203 2 270 289 8 41 2 61 614 <br /> 2/11/2003_ 1 272 13 726 119 203 707 2 890 233 1 470 61 847 Shut down system for QWS <br /> _ <br /> 2112r2003_ 1 272 13 726 0 2 890 00 61 847 Restarted after QWS <br /> 212012_003 1 463 13 917_ 191_ 203 _ 2 890 4191 527 62 267 <br /> 2!2512003 - 1 583 14 037 _120 203 2 890 2633 — 527 62 530 Shut down system for maintenance <br /> 376/2003 1 583 14037 0 201 _2 890 00 62 530 Restarted <br /> 3!13!2003 1 745 14 199 162W2042 8250 6834 101 2 63213 <br /> 312012003 1 917 14371 172B 250 10826— 151 1 64296 Shut down system for upgrade <br /> 4/412003 1 917 14371 0B250 00 64296 Restarted <br /> 4110/2003 2059 14513 142 3550 6580 111 2 64954 <br /> 411712003 2223 14677 1643550 4496 658 65404 <br /> 4124!2003 2390 14844 1673 550 4512 648 65 855 <br /> 51112003 2 559 15 013 169 201 3 550 454 4 645 66 309 <br /> 5!8!2003_ _ 2 721 15 175 162 204 3 550 4356 645 66 745 <br /> 511512003 2 884 15 338 163 201 3 550 438 2 645 67 183 T <br /> _512012003 3 011 15 465 127 201 3 550 3389 640 67 522 Shut down system for QWS <br /> 542112003 3 011 15 465 0 3 550 00 67 522 Restarted <br /> 512212003 3 028 15 482 17 204 3 550 46 0 fi5 0 67 568 <br /> 5127/2003 3 148 15 602 120 201 2 370 9 700 61121 1204 611170 <br /> 6/512003 3 363 15 817 215 204 9 7001 5795 176 3 —69749 <br /> 611212003 3 528 15 982 165 203 590 2 410 7604 1106 70 510 <br /> 6119!2003 3 690 16 144 162 201 2 410 2950 437 70 805 <br /> 6/2612003 3 B70 16 324 180 203 2 410 3277 43 7 71 133 <br /> 713!2003 4 027 16 481 157 201 2 410 285 9 43 7 71 418 <br /> 7!912003 4 145 16 599 118 201 445 1 820 1876 382 71 606 <br /> 7117!2003 4 361 16 815 216 201 - <br /> 2955 328 71 901 <br /> 712412003 4 522 16 976 161 206 t 820 2230 332 72 125 <br /> 713112003 4 635 17 089 113 201 1 820 1565 332 72 281 System off From 7127 to 7/30 due to power <br /> interruption restarted 7130 <br /> 817/2003 4 803 17 257 168 206 1 820 232 7 33 2 72 514 <br /> 8114!2003 4 954 17 408 151 204 516 2 110 227 5 36 2 72 741 <br /> 8!1812003 4 961 17 415 7 204 2 110 11 3 386 72 753 Shut down system for QWS <br /> _$12112003 _ 4 961 17 415 0 - 2 110 00 —72753 Restarted <br /> 812 7 12 0 0 3 _ 5 098 17 552 137 204 2 110 2205 386 72 973 <br /> 9/5/2003 - 5 101 17 555 3 206 2 110 4 9 3$8 72 978 Found system off restarted <br /> 911112003_ 5 237 17 691 136 210 633 2 590 24B 6 439 73 227 <br /> 9118!2003_ 5 400 17 854 163 203 2 590 3260 480 —73553 <br /> 9/19/2003 5 410 17 864 10 2 590 197 472 73 572 System shut down ovemight due to vandalism <br /> restarted <br /> 9!2512003 5 547 18 001 137 209 2 590 2774 486 73 850 <br /> 101212003 5 710 18 164 1 163 204 2 590 3260 4.80-- 74 176 <br /> 10/912003 5 873 111317 163 206 2 590 3237 477 74 499 <br /> —1011612003 _ 6 03fi 1 B 490 163 206 637 2 610 3265 481 74 826 <br /> 10123!2003 6 i 90 i8 644 154 206 2 610 3097 483 75 136 <br /> 014tab3 Page 2 of 4 111212006 <br />