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TRE 3
<br /> Vapor Extraction Operating Data
<br /> Thrifty Oil Station # 172, Stockton, CA
<br /> Hour Meter Cumultive Hrs since Inlet Hydrocarbons Removed
<br /> Date Reading Operation last visit Flow Rate Lab Concentrations Period Rate Cumulative Comments
<br /> (hrs) (hrs) (hrs) (cfm) Ppmv tiglL (Ibs) (lbs/day) (lbs)
<br /> 10/30/2003 6 355 18,809 165 206 42,610 331 8 48 3 75,467
<br /> 11/5/2003 6,503 18 957 148 206 2,610 2976 483 75,765
<br /> 11113!2003 6,693 19,147 190 206 2,610 3821 483 76,147
<br /> 11/20/2003 6,860 19 314 167 208 2,610 3374 485 76,484
<br /> 11/25/2003 6,980 19,434 120 208 403 1,650 1988 398 76,683 Shutdown system for OWS
<br /> 12/1/2003 6,982 19 436 2 204 1,650 25 305 76 686 Restarted
<br /> 12/11/032 6,992 19 446 10 204 1,650 126 302 76 698 System shut down from knockout tank switch
<br /> _ restarted
<br /> 12/16/2003 7 096 19,550 104 201 434 1 770 1347 1 31 1 76,833
<br /> 12/2312003 7,263 19,717 167 204 1,770 2239 322 77,057
<br /> 12/30/2003 7,291 19 745 28 207 1,770 381 326 77 095 System shut down from knockout tank swEtch,
<br /> restarted
<br /> 1/7/2004 7,314 19 768 23 206 1,770 31 4 328 77 126 Found system off restarted
<br /> 1/13/2004 7,452 19,906 138 208 1,770 1891 329 77,316
<br /> 1/20/2004 7,619 20,073 167 206 230 940 1752 252 77,491
<br /> 1/27/2004 7,700 20,154 81 209 940 591 175 77 550 Found system off system shut down from
<br /> knockout tank switch restarted
<br /> 2/3/2004 7 812 20,266 112 - 940 823 176 77,632 Shut down system for QWS
<br /> 2/6/2004 7 812 20,266 0940 00 - 77,632 Restarted
<br /> 2/12/2004 7,906 20 360 94 203 _ 9,400 38,400 1,4038 3584 T 79,036
<br /> 2/19/2004 7 996 20,450 90 206 38 400 2,6433 7049 81,679
<br /> 2124/2004 8,003 20,457 7 206 38,400 2071 7100 81,886 Found system off system shutdown from
<br /> ___ knockout tank switch restarted
<br /> 3/2/2004 8,014 20,468 11 208 38,400 3270 7135 _ 82,213 Found system off system shutdown from
<br /> _ _ knockout tank switch restarted
<br /> 3/11/2004 8 020 20,474 6 206 38,400 1784 7135 82,392
<br /> 3/16/2004 8 133 20,587 113 206 440 1,800 1 749 9 371 7 84 142
<br /> 3/2312004 8,298 1 20,752 165 206 __ _ 1,800 2288 333 84 370
<br /> 3/31/2004 8,485 20 939 187 201 1,800 2562 329--- 84,627
<br /> 4/6/2004 8 627 21,081 142 206 1,800 1945 329 84,821
<br /> 4/13/2004 8,789 21 243 162 214 1 800 2290 339 85,050
<br /> 4/20/2004 8,951 21,405 162 206 293 1,200 1909 28 3 85 241
<br /> 4/27/2004 9 112 21 566 161 206 1,200 1488 222 85 390
<br /> 5/4/2004 9,260 21 714 148 204 544 2 220 1940 31 5 85,584 Shut down system for t2WS
<br /> 5/712004 9 260 I 21,714 _ 0 _ 2,220 _ 00 _ i - 85,584 Restarted T
<br /> 5/11/2004 9 354 21,808 94 201 2,220 1569 A 401 85 741
<br /> 5117!2004 9,411 _ 21,865 57 207 2,220_ ` 965 T 407 - 85 837
<br /> 014tab3 Page 5 of 6 12/13/2004
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