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_ I <br /> TAP 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 /> Date reading Operation Flow Rate Concentration within period TPHg removed Removal Rate Removed <br /> (hrs)' (hrs) (dm) (ppmv) ! (ug1L) (Ibs) (Ibs) (lbslhr) (gallons) Remarks <br /> 05113103 7 186 166 147 374 1 530 13735 129 154 083 20 500 6 Shut down for aWS <br /> 05114/03 7 186 0 1 530 129 154 - 20 500 6 Restarted <br /> 05120/03 7 311 125 172 1 530 12$0$ 129 277 098 20 520 1 <br /> 05128)'03 - 7 318 7 173 1$30 691 129 283 099 20 521 2 Found system off power shut down restarted <br /> 06/03/03 7 321 3 172 1 530 296 r 129 286 099 20 521 7 Found system oft Mower bels broken restarted <br /> 06/10/03 7 484 163 173 1 530 16089 129 447 099 20 547 2 <br /> --06117103 7 628 144_ - 170 120 - 490 9329 - 129 541 —- - 065 20 562 0 - - -- -- - - <br /> -06124103 7 796 168 147 490 4880 129 589 029 20 569 7 <br /> 07/02/03 7 981 185 146 490 4967 129 639 027 20 577 6 <br /> 07/08/03 8 137 156 144 -` 490 41 45 129 681 027 20 584 2 <br /> 07/16/03 8 325 186 143 -232 951 7270 129 753 039 20 595 7 - <br /> 07/22/03 8 467 142 141 951 71 72 129 825 051 20 607 1 <br /> 07/29/03 8 639 172 143 951 8687 1 129 912 051 20 620 9 <br /> 08/05/03 8 800 161 143 279 1 140 9002 130 002 056 20 635 2 <br /> 08/07/03 8 858 56 _143 1 140 3536 130 037 061 20 640 8 shut down for qWS <br /> 08/13/03 8858 0 v - T 1 140 - 130 037 - 20 640 B Restarted <br /> 08/19/03 8 996 138 141 T 1 140 8296 130 120 060 20 654 0 - - - — - <br /> 08/26103 9 163 167 143 1 140 101 11 130 221 061 20 670 0 <br /> 09/02/03 9 326 163 142 1 140 9903 130 320 061 20 685 B - - <br /> 09/09/03 9 499 173 141 281 1 l50 10483 _ 130 425 F 061 20 702 4 <br /> 09/16/03 9 667 168 142 1 150 10224 130 527 061 20 718 6 <br /> 09/23103 9 833 166 143 1 150 101 74 130 629 061 20 734 8 <br /> Total hours of operation 24 673 <br /> NOTE Inlet Concentration obtained from laboratory analytical results and assumed the same until subsequent sampling event <br /> Volume of hydrocarbons removed calculation assumes gasoline density of 6 3 <br /> In February 2002 this table was corrected due to some formula errors in the hydrocarbon removal columns Older versions of this table may have different numbers <br /> i <br /> 171ves Page 6 of 6 10/2103 <br /> I <br />