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<br /> TABLE 3
<br /> VAPOR REMEDIATION SYSTEM STATUS
<br /> THRIFTY OH, STATION #171, STOCKTON, CA
<br /> Hour meter /-tours of Vafiar Inlef TPtig 71oHg rernrtued Cumulative TPlig Mass Vrslume
<br /> Date reading Operation Flaw Rate Concentration within period TPH9 removed Removal Rate Removed
<br /> (hrs)" (hrs) (cfm) (ppmv) (ug1L) (lbs) (lbs) (lbs/hr) (gallons) Remarks
<br /> 06/12/01 443 162 192 193 853 8934 55,845 055 8,8643
<br /> 06/19/01 611 168 194 853 10344 55 949 062 8,9807
<br /> 06/26/01 780 169 194 853 10459 56,053 062 8,8973
<br /> 07103101 940 160 197 1853
<br /> 9979 56,153 062 8,9132
<br /> 07/10/01 1 116 176 194 10977 56,263 062 8,9306
<br /> 07/17/01 1 280 164 196 261 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 56,735 138 9,0055
<br /> 08/14/01 1,832 162 191 2,670 31141 57,046 192 9,064 9 Shut down system for QWS
<br />, I
<br /> 08/15/01 1,832 0 - 57,046 - 90549 RestartedafteraWS
<br /> 08121!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 4160 57,543 160 9,1337
<br /> 09111/01 2,208 40 194 1 740 5050 57 593 126 9 141 8
<br /> 09118101 2,372 164 195 1,740 20758 57 801 127 9,1747
<br /> System shut down for replacement of
<br /> 09125101 2,416 44 195 1,740 5584 57,857 1 27 9,1836
<br /> temperature controller
<br /> 10/15/01 2,416 0 171 1,740 - 57,857 - 9,1836 Restarted
<br /> i
<br /> 10/16/01 2,440 24 171 1,540 6,800 6554 57,922 273 9,194 0
<br /> 10/23/01 2,566 126 171 6,8001 54796 58,470 435 9,281 0
<br /> 10/30/01 2,648 82 171 6,800 35661 58,827 435 9 337 6
<br /> 11102101 2,716 68 171 6 800 29572 59 122 435 9,3845 Shut down system for QWS
<br /> 11/09/01 2,716 0 - 6,800 - 59,122 9,3845 Restarted after QWS
<br /> 11/13101 2 814 98 171 6,800 42619 59 549 435 9 452 1
<br /> 11/20/01 2,831 17 171 6,800 7393 59,622 435 9,4639 IShut down system for motor blower replacement
<br /> 171ves Page 3 of 5 7110102
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