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TABLE 3 <br /> Vapor Extraction Operating Data <br /> Thrifty Oil Station# 172, Stockton, CA <br /> Hour meter cumultivef Hra siri inlet Hydrocarbons Removed <br /> aste Reading Operation j last visit Flow Rate Lab Concentratlons I Period Rate Cumulative Comments <br /> (hrs) (hrs) (hrs) (cfm) ppmv ug& (lbs) (lbs/day) (lbs) <br /> 611312005 0 ) 25 546 0 204 ______ _75 400 <br /> 6/2012605 165 $ 25 711 E 165 W _ 201 75 400 9 422 2 1 37-05 _ 13-2-83-8 <br /> 612712005 _ 333 25 879 f 168 203 rn 75 400 9 569 8 1 3671 142 407 <br /> 715!2005524 —+ 070 191 204 1 300 5 320 5 867 1 7372 _ 148 274 <br /> 711112005 668 f _62 14 _144--_ 201 5 320 5802 967 148 855 <br /> 711812005 834 26 380 _ 166 v 202 5 320 mm 6655 _ 962 149 520 <br /> 7!25!2005 1 003 26549 a 169_ 201 _ 5 320 6776 962 150 198 <br /> 81112005__ 1 169 f 26 715 166 204 638 2 610 4985_721 — <br /> T 81812005_ 1 338 26 884 I} 169_ 206 __ ___ 2 610 _338 2 48 0 151 034 <br /> 8115!2005 1 503 27-049—f- 165 _-� 204 _-__ _ 2 610 3302 -48_0____ _151 365 --- <br /> BI2212D05_ 1 670_ 27 216 { 167__ 204 _ _ 2610_ 3326 47_B _ 151 697_ Shu1_down both systems for QWS <br /> 8/2912005 1 673 - 27 219 1 3 -_201 __ 2 610 59 474 151 703 Restarted system after QWS <br /> 9!612005 1 065 27 411 1 192 _ 204 2 610 _ 3795 474 __ 152 083 <br /> 9112!2005_ 2006 ) 27 552 1 141 203_ - -2610 _ 2801 477 152 363 <br /> 911912005 2 172 27 71B ( 166 201-_ ___ 2 610 3273 47 3 - -_ 152 690 <br /> 9!27/2005 _ 2 343 27 889 171 __ 203 134 546 203 9 28 6 152 894 System shut down for repair <br /> -- <br /> NOTE Inlet concentration is obtained from laboratory analytical result for Total Petroleum Hydrocarbons(TPH) <br /> and assumed the same until the subsequent sampling <br /> 0141ab3 Page 4 of 4 1012512005 <br />