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TAB112 • _
<br /> VAPOR REMEDIATION SYSTEM STATUS
<br /> THRIFTY OIL STATION #171, STOCKTON, CA
<br /> Hour meter Hours of 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) (Ibs) (lbs) Remarks
<br /> 07/01/99 13,312 - 100 12,000 - - - Start up system
<br /> 07/12/99 13,508 196 80 3,300 - 3,3541 3 354 1 5160
<br /> 07/28/99 13,566 58 144 7,900 - 904 2 4,2582 6551
<br /> 08/24/99 13 705 139 100 6,000 - 2,9293 7 187 6 1,1058
<br /> 09/14/99 14,207 502 188 8 700 - 1 3,205 8 20,3934 3,1374
<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 5 430 1 45,2200 6,9569
<br /> 12/15/99 16 288 751 190 19 1,7975 47 017 4 7,2335
<br /> 01/18/00 17,042 754 183 790 - 1,4138 48,4312 7,451 0
<br /> 02/01/00 17,307 265 - - - 48.4312 7,451 0 System ori for blower motor replacement
<br /> 02!22100 17 307 0 - - - 48,431 2 7,4510 Restart
<br /> 03/21/00 17,978 671 179 985 4,020 1,805 8 50,2370 7,7288
<br /> 04/18/00 18,621 643 176 642 2,620 1,4172 51,6542 7,9468
<br /> 05/16/00 19,314 693 196 47 192 6778 52 332 0 8,051 1
<br /> 05/23/00 19,315 1 - - - 52 332 0 8,051 1 System off for repaulmamtenance
<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 8,0557
<br /> 09/20/00 20,409 634 182 25 110 327 52,3946 8 060 7
<br /> 10/10/00 20,886 477 182 25 110 357 52,4303 8,0662 System down due to small blower problem
<br /> 10/24/00 20 889 3 182 25 110 02 52,4305 8,0662 Faced small blower Attempted to restart VES
<br /> blower problem shut system off
<br /> 10/31/00 20,8$9 0 - - 52,430 5 80662 Removed VES blower for replacement Sent
<br /> to LA on 1112W
<br /> 11/07/00 20 889 0 52 430 5 8 066 2 Installed replacement blower tried to siartup
<br /> but blower motor got burned
<br /> WNW W 20,889 0 - 52,430 5 8 066 2 a`smantled blower motor and return to
<br /> Grainger for warranty repair/replacement
<br /> 171 ves Page 1 of 4 12/12/01
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