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TABLE 2
<br /> VAPOR REMEDIATION SYSTEM STATUS
<br /> THRIFTY OIL STATION #171, STOCKTON, CA
<br /> Hour meter Hoursof Vapor inlet TPHg TPHg removed Cumulative Gallons
<br /> Date reading Operation Flow Rate Concentration within period TPHg removed Removed
<br /> (hrs)* (hrs) (cfm) (ppmv) (ug/L) (lbs) (Ibs) Remarks
<br /> 07/01/99 13,312 - 100 12,000 - - - Start up system
<br /> 07/12/99 13,508 196 80 3,300 3 354 1 3,3541 5160
<br /> 07/28/99 13,566 58 144 7,900 9042 4,2582 6551
<br /> 08/24/99 13 705 139 100 6,000 2,9293 7,1876 1,1058
<br /> 09/14/99 14,207 502 188 8,700 13,205 8 20 393 4 3 137 4
<br /> 10/14/99 14,927 720 189 2,800 19,3965 39,7899 6,121 5
<br /> 11/09/99 15,537 610 188 1,000 5,4301 45,2200 6,9569
<br /> 12/15/99 16,288 751 190 19 1 7975 47 017 4 7,2335
<br /> 01!18100 17,042 754 183 790 - 1,4138 48,4312 7,451 0
<br /> 02/01/00 17 307 265 - - 48 431 2 7,451 0 System off for blower motor replacement
<br /> 02/22/00 17,307 0 - - 48,4312 7,451 0 Restart
<br /> 03/21/00 17,978 671 179 985 4,020 1,8058 50,2370 7,7288
<br /> 04/18/00 18 621 643 176 642 2,620 1 4172 61,6542 7,9468
<br /> 05/16/00 19,314 693 196 47 192 6778 52,3320 8,051 1
<br /> 05/23/00 19,315 1 - - - 52,3320 8,051 1 System off for repaulmaintenance
<br /> 06/20/00 19,315 0 - - 52,3320 8,051 1 System still off
<br /> 07/03/00 19 315 0 - - - 52,3320 8,051 1 Restart
<br /> 07/11/00 19 504 189 180 27 119 151 52,3471 8,0534
<br /> 08/09/00 19,775 271 181 10 42 147 52 361 9 8 055 7
<br /> 09120/00 20,409 634 182 25 110 327 52 394 6 8 060 7
<br /> 10/10/00 20,886 477 182 25 110 357 52 430 3 8 066 2 System down due to small blower problem
<br /> 10/24/00 20,889 3 182 25 110 02 52 430 5 8 066 2 Fixed smaV blower Attempted to restart VES
<br /> blower problem shut system off
<br /> 10/31100 20,889 0 - - 52,4305 8,0662 Removed VES blower for replacement Sent
<br /> to LA on 1112100
<br /> 11/07/00 20, 0 52 430 5 8,066 2
<br /> Installed replacement blower tried to startup
<br /> 889 - -
<br /> but blower motor got burned
<br /> 111d8f00 20,$$9 0 52,430 5 80662 Oismantled blower motor and return to
<br /> Grainger for warranty repairlreplacement
<br /> 171 ves Page 1 of 3 8/15/01
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