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<br /> TABLE 3
<br /> VAPOR REMEDIATION SYSTEM STATUS
<br /> THRIFTY OIL STATION #171, STOCKTON, CA
<br /> Hour meter f Hours of Vapor i Inlet TPHg TPHg removed Cumulative TPHg Mass Volume
<br /> Date reading Operation Flow Rate Concentration within period TPHg removed Removal Rate Removed
<br /> (hrs)` (hrs) (cfm) (ppmv) (ug/L) (lbs) (Ibs) (lbs/hr) (gallons) Remarks
<br /> 03/26/02 162 158 170 1,910 19413 62,941 1 23 9,9907
<br /> 04/02/02 320 158 172 1,910 19300 63,134 1 22 10,0213
<br /> 04/09/02 324 4 172 1,910 491 63,139 1 23 10,0221 Knockout switch shut down VES restarted
<br /> 04/16/02 329 5 172 1,910 614 63,145 1 23 10,0231 Found system off power from electric box off
<br /> 04/18/02 3290 _ 330 1,460 - 63,145 - 10,0231 Monthly air sampling
<br /> 05/08/02 329 0 _ 1 460 63,145 10 023 1 Restarted
<br /> I
<br /> 05/14/02 _331 2 173 220 990 1 59 63 147 079 10,0233 Knockout switch shut down VES restarted
<br /> 05/21/02 503 172 172 990 10986 63,257 064 10,0408
<br /> 05/28/02 670 167 173 990 10666 63,363 064 10,0577
<br /> 06/04/02 726 56 172 990 3577 63,399 064 10,063 4 Found system off restarted
<br /> 06/11/02 743 17 - 990 1083 63,410 064 10,0651 System shut down for blower replacement
<br /> 07/16/02 743 0 172 738 3,260 - 63,410 10,0651 Restarted
<br /> 07/23/02 747 4 173 3 260 841 63,418 210 10,0664 Found system off batt broken restarted
<br /> 07/31/02 935 168 171 3,260 39425 63,813 210 10,1290
<br /> 08/06/02 1,078 143 170 3 260 29727 64,110 208 10,17J2Shut down system for QwS
<br /> 08/07/02 1 078 0 - 3,260 64,110 10,17estarted
<br /> 08/13/02 1,219 141 170 1,210 4940 36756 64,478 261 10,23
<br /> 08/20/02 1,389 170 171 4,940 53552 1 65,013 315 10,3195
<br /> 08/29/02 1,557 I 168 170 4,940 52922 65,542 3 15 10,4035
<br /> 09/03/02 1,725 168 171 4,940 - -- 529 22 v` 66,072 3 15 10 487 5 --
<br /> 09/10/02 1,889 164 172 420 1,860 357 65 66,429 218 10,5443
<br /> 09/17/02 2056 167 172 -- --- 1,860 199 82 i� 66,629 1 20 10,5760
<br /> 09/24/02 2 227 171 170 1,860 20341 66 832 1 19 Y- - 10,6083
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