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.■� Mill.■. .. W <br /> TAB E 2 <br /> SUMMARY OF VAPOR EXTRACTION SYSTEM DATA <br /> Farmer Property, Stockton, CA <br /> Page 4 of 4 <br /> Vacuum Flowrate FID reportaid in parts per million by volume pp v) <br /> Sample ID Date inches of cubic feet reading TPHg Benzene Toluene Ethyl Xylenes MTBE ETBE TBA DIPE TAME <br /> Mercu per minut m) Benzene I _[ <br /> Effluent 12/20/02 NA NA NM 280 3 0 16 88 348 <0 002 <0 002 <0 005 <0 002 <0 002 <br /> 12/23/02 NA NA NM NS NS NS NS NS NS NS NS NS NS <br /> 12/27/02 NA NA NM NS NS NS NS NS NS NS NS NS NS <br /> 01/03/03 NA NM 85 NS NS NS NS NS NS NS NS NS NS <br /> 01/10/03 NA NA 0 0 NS NS NS NS NS NS NS NS NS NS <br /> 01/17/03 NA NA 4 3 NS NS NS NS NS NS NS NS NS NS <br /> 01/24/03 NA NA 3 5 66 022 20 14 117 <0 0025 <0 005 <0 012 <0 005 <0 005 <br /> 02/13/03 NA NA 0 0 NS NS NS NS NS NS NS NS NS NS <br /> 02/21/03 NM NM NM NS NS NS NS NS NS NS NS NS NS <br /> 02/28/03 NA NA 3 0 1 3 7 1 00029 0 032 0 038 0 105 <0 001 <0 002 <0 005 <0 002 <0 002 <br /> 03/14/03 SYSTEM DOWN <br /> 03/21/03 SYSTEM DOWN <br /> 03/27/03 NA NA 3 5 ( NS NS NS NS NS NS NS NS NS NS <br /> 04/18/03 NA NA 12 NS NS NS NS NS NS NS NS NS NS <br /> 04/30/03 SYSTEM DOWN <br /> 05/02/03 NA NA 12 150 053 034 0 053 0 97 <0 100 <0 100 <0 250 <0 100 <0 100 <br /> 05/21/03 NA NA NA 23 <0 050 013 0 071 0 64 <0 100 <0 100 <0 250 <0 100 <0 100 <br /> 06/09/03 NM NM NM NS NS NS NS NS NS NS NS NS NS <br /> 06/25/03 NA NA 00 <0 500 <0 005 <0 005 <0 005 <0 015 <0 010 <0 010 <0 025 <0 010 <0 010 <br /> 07/29/03 SYSTEM DOWN <br /> 08/01/03 NA NA NA 13 <0 050 0 38 0 15 1 04 <0 100 <0 100 <0 250 <0 100 <0 100 <br /> 08/29/03 NA NA 2 9 71 <0 050 <0 050 <0 050 <0 150 <0 100 <0 100 <0 250 <0 100 <0 100 <br /> 09/30/03 NA NA 2 0 6 0 <0 050 <0 050 <0 050 <0 150 <0 100 <0 100 <0 250 <0 100 <01 0 <br /> Notes <br /> <denotes not detected at or above Stated Method Detection Limit <br /> TPHg denotes Total Petroleum Hydrocarbons as gasoline,analyzed by EPA Method 5030/8015 <br /> MTBE denotes methyl tertiary butyl ether by EPA Method 8260 <br /> ETBE denotes ethyl tertiary butyl ether by EPA Method 8260 <br /> TBA denotes tertiary butyl ether by EPA Method 8260 <br /> DIPE denotes di-isopropyl ether by EPA Method 8260 <br /> TAME denotes tertiary amyl methyl ether by EPA Method 8260 <br /> ppm denotes parts per million <br /> NM denotes not monitored <br /> NA denotes not applicable <br /> NS denotes not sampled <br /> Vapor wells VW3 and VW4 were closed 118103 <br /> W 162596%TA6LMmmedlatonsystema <br />