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TAP 3 • <br /> VAPOR REMEDIATION SYSTEM STATUS <br /> THRIFTY OIL STATION#171, STOCKTON, CA <br /> Hour meter Hours of Vapor Inlet TPHg TPHg removed Cumulative TPHg Mass Volume <br /> Date reading Operation Flow Rate Concentration within penod TPHg removed Removal Rate Removed <br /> (hrs)' (hrs) (cfm) (ppmv) (ug1L) (lbs) (lbs) (lbsthr) (gallons) Remarks <br /> 10/29/02 3 053 163 171 2 460 255 69 68 002 1 57 10 793 9 <br /> 11/05/02 3 227 174 172 2 460 27455 68 276 1 58 10 837 5 <br /> 11/12/02 3 391 164 - 2 460 25952 68 536 1 58 10 878 7 Shut down system for aWS <br /> 11/14/02 3 392 1 171 3 410 15 100 562 68 541 562 10 879 6 Restarted <br /> 11/19/02 3 511 119 170 15 100 1 14583 69 687 963 11 061 5 <br /> 11/26/02 3 678 167 171 15 100 1 60801 71 295 963 11 3167 <br /> 12103!02 3 844 166 170 15 100 1 59838 1 72 894 963 11 5704 <br /> 12/11102 4 036 192 170 9 170 37 500 3 210 54 76 104 1672 12 080 0 <br /> 12117/02 4 183 147 170 37 500 3 504 85 79 609 2384 12 636 4 <br /> 12/23/02 4 321 138 171 37 500 3 299 94 82 909 2391 13 160 2 <br /> 12/31/02 4 514 193 171 37 500 4 628 67 87 538 2398 13 894 9 <br /> 01/07/03 4 649 135 170 19 600 80 300 5 070 43 92 608 3756 14 699 7 System was off due to broken blower belt restarted <br /> 01/14/03 4 818 169 172 $0300 8 679 01 ! 101 287 51 36 16 077 3 <br /> 01/21/03 4 985 167 171 80 300 8 601 37 109 888 51 51 17 442 6 <br /> 01/28/03 5 148 163 171 11 100 45 300 6 546 59 116 435 4016 18 481 8 <br /> i <br /> 02/04/03 5 322 174 171 45 300 5 040 98 I 121 476 2897 19 281 9 <br /> 02111103 5 492 170 172 2 170 8 890 2 954 43 124 430 1738 19 750 9 <br /> 02!18103 5 658 166 172 8 890 94931 125 380 572 19 901 6 Shutdown system for 0WS <br /> 02/19/03 5 658 0 - 8 890 - I 125 380 19 901 6 Restarted <br /> 02/25/03 5 763 105 172 8 890 60047 125 980 572 19 996 9 <br /> 03/04/03 5 928 165 171 8 890 94085 l 126 921 — 570 20 146 2 <br /> 03/11/03 6 038 110 - 8 890 62541 127 547 569 20 245 5 system shutdown for repair of parts <br /> 03/12/03 6 040 2 170 1 310 5 380 907 127 556 454 20 246 9 Restarted <br /> 03/18/03 6 184 144 170 5 380 49257 I 128 048 342 20 325 1 System off <br /> 04/01/03 6 184 0 172 5 380 128 048 - 20 325 1 Restarted <br /> 04/08/03 6 352 168 172 361 1 480 370 68 128 419 221 20 383 9 <br /> 04/15/03 6 514 162 173 1 480 15468 128 574 095 20 408 5 <br /> 04/22/03 6 685 171 172 1 480 163 27 1211737 095 214144 <br /> 04/29/03 6 850 165 142 1 480 14339 128 880 087 20 457 2 <br /> 451D51M 7 U29 170 147 -- 1 480 13597 129 016 0 80 — 20 478 8 <br /> 171 ves Page 5 of 6 6111103 <br />