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TA <br /> • SUMMARY OF VAPOR EXTRAC 4 SYSTEM ANALYTICAL DATA • <br /> Farmer Property, 610 Hunter Street, Stockton, CA <br /> Page 7 of 7 <br /> reported in parts per million y volume my <br /> Sample ID Date TPHg 76�� <br /> ne Toluene Ethyl Xylenes MTBE ETBE TBA DIPE TAME <br /> Benzene -j <br /> MW1 02/23/04 360 2.8 1.5 5.3 23.8 <0.1 <0.1 <0.25 <0.1 <0.1 <br /> 03/26/04 120 2.8 2.2 7.0 39.7 <0.1 <0.1 <0.25 <0.1 <0.1 <br /> 04/26/04 28 0.23 0.11 <0.50 10.3 <0.1 <0.1 <0.25 <0.1 <0.1 <br /> 05!26104 SYSTEM DOWN <br /> 06/28/04 88.9 <0.050 0.16 1.72 5.12 <0.050 <0.050 <0.050 <0.050 <0.050 <br /> 07/26/04 3.15 <0.050 <0.050 <0.050 <0.100 <0.050 <0.050 <0.050 <0.050 <0.050 <br /> 08/26104 23.0 <0.050 <0.050 0.12 0.584 <0.050 <0.050 <0.050 <0.050 <0.050 <br /> 09/27/04 8.4 <0.050 <0.050 <0.050 <0.100 <0.050 <0.050 <0.050 <0.050 <0.050 <br /> 10/27/04 SYSTEM DOWN <br /> 11127/04 SYSTEM DOWN <br /> 12/27/04 SYSTEM DOWN <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 was taken off line and VW4 is partially closed 118!03. <br />