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Table A-1 <br /> Soil Vapor Extraction System Performance Data <br /> ARCO Service Station#2186 <br /> 3212 N California Street,Stockton,California <br /> System Data FID GRO Benzene MtBE <br /> Influent Influent MtBE <br /> Hour Meter Average Concen- Removal Net Removed Concen- Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Flow Rate Influent Midpoint Effluent tration Rate Removed to Date tration Rate Removed to Date tration Rate Removed to Date <br /> ID Sampled (hours) (scfm) (ppmv) (ppmv) (ppmv) (ppmv) (Ibs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) <br /> (pounds) <br /> INFL 08/30/04 45 95 111 01 01 --- – - --- -- — -_ ---. — — — — <br /> INFL 09/07/04 94 a --- 100 --- 00 390 11 74 9364 9364 <0 31 000 000 000 98 030 241 241 <br /> INFL 11/30/04 00 b 196 23 02 00 98 607 000 9364 <015 000 000 000 15 010 000 241 <br /> [NFL 12/09/04 2162 109 28 03 01 140 483 4354 13718 <015 000 000 000 13 005 041 282 <br /> INFL 01/06/05 5430 118 67 00 00 140 523 7125 20844 020 001 009 009 22 008 115 396 <br /> INFL 02/02/05 1,0593 125 106 03 00 130 515 11073 31917 <015 000 000 009 15 006 131 527 <br /> INFL 03/07/05 1,7996 128 155 185 23 150 608 18759 50676 <015 000 000 009 X�0 38 002 049 576 <br /> INFL 04/11/05 2,3988 106 150 29 00 160 ` 537 13412 64088 <015 000 000 009 _ 052 002 045 620 <br /> INFL 05/12/05 3,1456 164 96 28 13 130 674 20962 85051 <0 15 000 000 009 024 001 040 660 <br /> INFL 06/06/05 3,5543 126 89 00 00 140 559 9523 94573 <0 15 000 000 009 <014 000 000 660 <br /> INFL 07/25/05 4,7298 107 69 00 00 73 247 121 18 1,06692 <0 15 000 000 009 <014 000 000 660 <br /> INFL 08/03/05 4 939 6 58 59 00 00 67 122 1069 1 077 60 <0 15 000 000 009 <014 000 000 660 <br /> INFL 09/08/05 5,8048 136 53 00 00 42 180 6503 1,14264 <015 000 000 009 <014 000 000 660 <br /> REPORTING PERIOD THIRD QUARTER 2005,t _ - _" pill Y` <br /> � i - _ 1�1 3.i_A - It rU �✓ ri�- k <br /> TOTAL POUNDS REMOVED ' — 1,1426 s y= "� 0 09 eu ;s— — _6 60 r'J, <br /> TOTAL GALLONS REMOVED 1873 <br /> 1 07 <br /> PERIOD POUNDS REMOVED 1969 000`" "� jjr� � � 000 <br /> PERIOD GALLONS REMOVED 323 0 00 r1�f� il 'r Ir 0 00 <br /> PERIOD AVG FLAW RATE 100 ` <br /> scfm =Standard cubic feet per minute ppmv =Parts per million by volume -- =Not available or not applicable <br /> lbs =Pounds GRO =Gasoline Range Organics <6 3 =Less than indicated laboratory reporting limit <br /> a System shutdown due to excessive noise issues Hour meter was not working Mass removal calculations are based on the assumption that the system ran continuously between <br /> 08/30/04 and 09/07/04 at the same concentration and flow rates <br /> b System was restarted on November 30,2004 with sound enclosure and new hour meter <br /> 2186 O&M Tables 3Q05 <br /> Table A-1 Page 1 of 1 <br />