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JM Egwpment <br /> Chemical Oxidation Test Report <br /> are bound to the soil,however the injected concentration of peroxide was only 7.75%, and is less <br /> likely to have this effect <br /> ' The cause of the increased hydrocarbon concentrations in the groundwater samples after June 11, <br /> 2004 is unclear, however, the average of all four wells contarninate (total hydrocarbons) had <br /> been reduced by 33%prior to the May 26, 2004 injection (see Figure 4) The percent destruction <br /> dropped to 19% before the injection event on .Tune 11, 2004 The destruction average increased <br /> ' to 23% for the last two injection events <br /> ' The depth to water in MW-9 the injection well increased over the length of the test (see Figure <br /> 2) This downward trend of the water table does not seem to correlate with additional organic <br /> compounds <br /> Depth to Water Measurements in injection Well MW-9 <br /> JM Equipment - __..__,.._.- <br /> -14 w — _Chemical Oxidation Test(March-July,20(14) <br /> -145 --- <br /> L -15 -- <br />`� h <br /> -155 - <br /> -16 � <br /> o I <br /> -17 -- <br /> T :3 <br /> Date <br /> ' Figure 2: Depth to Water Measurements in Injection Well MW-9 <br /> 1 <br /> 1 <br /> 1 <br />� Applied Process Tmhnology,Int, Confideritia1 infonnation <br /> 09/20/04 <br /> AFTSO-019 wwNy aptw1tcr�.om Page 7 of 11 <br /> 1 <br />