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• . � _ <br /> TABLE 3 <br /> VAPOR REMEDIATION SYSTEM STATUS <br /> THRIFTY OIL STATION#171, STOCKTON, CA <br /> Hour meter Cumulative Hrs since Vapor Inlet TPH9 TPHg removed Cumulative TPHg Mass Volume <br /> Date reading Operation Last visit Flow Rate Concentrabon within period TPHg removed Removal Rate Removed <br /> (hrs)' (hrs) (hrs) (cfm) (ppm") (ugfi) (Ibs) (Ibs) (lbsffor) (gallons) Remarks <br /> 01131/05 16 996 31 836 172 144 2 240 20533 142 582 1 19 22 632 1 <br /> i <br /> 02/07/05 17 167 32 007 171 144 No 125 i No 5525 10569 142 688 062 22 648 9 Shut do+n system for ow5 <br /> 02114/05 17 167 32 007 0 143 5525 142 688 22 648 9 Restanad <br /> 02/21/05 17 330 32 170 163 141 5525 478 142 693 003 22 649 6 <br /> 02/28105 17 426 32 266 96 141 5525 280 142 696 003 22 650 1 <br /> + <br /> 03/07/05 17 524 } 32 364 98 143 531 2 170 5791 142 753 059 22 659 3 <br /> 03/14105 17 616 I 32 456 92 142 2 170 10640 142 860 1 16 22 676 2 <br /> r - - <br /> 03/21105 17 632 32 472 16 141 2 170 1837 142 878 1 15 22 679 1 <br /> 03/28105 17 641 32 481 9 143 2 170 1037 142 889 1 15 22 680 7 Farad system off knockout tank with water restarted <br /> + <br /> 04104105 17 649 32 489 8 141 2 170 922 142 898 1 15 22 682 2 Found system off knmkmn tank with water restarted <br /> 04111/05 17 654 32 494 5 141 70 288 324 142 901 065 22 682 7 system was shut da- <br /> 07106/05 17 655 32 495 1 143 159 652 025 142 901 025 22 682 7 Restarted system <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 /> 171ves Page 1 of 1 712712005 <br />