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<br /> TABLE 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 /> [late reading Operation Flow Rate Concentration within period TPHg removed Removal Rate Removed
<br /> r
<br /> (hrs)' (hrs) (Cfm) (ppmv) (ug/L) (lbs) (lbs) (lbs/hr) (gallons) Remarks
<br /> 05!22101 23,326 18 203 675 9 22 55,618 051 8,8283 Shut down system for catalyst installation
<br /> 05!24101 000 0 194 675 - 55,61$ 8,8283 New hour meter starting at 0 00 hour
<br /> OPERATING IN CATALYTIC MODE
<br /> 05/29/01 112 112 194 675 5485T 55,673 049 8,8370
<br /> 06/05/01 281 169 194 675 8277 55,756 049 8,8501
<br /> 06/12!01 443 162 192 193 853 8934 55,845 055 8 864 3
<br /> 06/19/01 611 168 194 853 10344 i 55,949 062 8 880 7
<br /> 06/26/01 780 169 194 853 10459 56,053 062 8,8973
<br /> 07/03/01 940 160 197 853 9979 56,153 062 8,9132
<br /> 07/10/01 1 116 176 194 853 10977 56 263 062 8,9306
<br /> 07/17/01 1,280 164 196 261 1,1501 11978 56,383 073 8,9496
<br /> 07/24/01 1,453 173 194 1 150 14509 56,528 084 8,9727
<br /> 07/31/01 1,621 168 192 1,150 13946 56,667 083 8,9948
<br /> 08/07/01 1,670 - 49 194 604 2,670 6756 T 56,735 -__-1 38 9,0055
<br /> 08/14/01 1,832 162 191 2,670 311 41 57,046 192 9,0549 Shut down system for QwS
<br /> 08/15/01 1,832 0 -� 57,046 - 9.0549 Restarted after QwS
<br /> 08/21/01 1,976 144 190 2 670 13661 57,183 095 9,0766
<br /> 08/28/01 2,142 166 194 2,670 31827 57,501 192 9,1271
<br /> 09/04/01 2 168 26 194 394 1 740 41 60 57,543 160 9,1337
<br /> 09/11/01 2,208 40 194 1 740 505 57,593 1 26 9,1418
<br /> 09/18/01 2,372 164 195 1,740 207 58 57,801 127 9,1747
<br /> 09/25/01 2,416 44 195 1 740 5584 57,857 127 T 91836 Syslem shut down for replacement of
<br /> _ temperature controWr
<br /> 10/15/01 2 416 0 171 1 740 - 57,857 - 9,1836 Restarted
<br /> 10/16/01 --2,440 -T 24 171 - 1,540 I - - -6 800 6554 57,922- - - _ 273 -9_194
<br /> 171 ves t Page 3 of 7 411103
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