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Consistent with previous quarterly analytical results, the groundwater samples collected from MW- <br /> 2, MW-4 and MW-6 contained dissolved concentrations of gasoline compounds The <br /> groundwater analytical results are summarized in Table 2, the distribution of TPH-as-gasoline, <br /> benzene and MTBE in groundwater is shown on separate isoconcentration maps (Figures 5, 6, <br /> and 7) and the laboratory reports are included in Appendix A <br /> 23 Free Product Removal <br /> On March 7, 2003, Ramage Environmental installed a Hydro-SkimmerTM passive free product <br /> skimmer in MW-1 The passive skimmer is four-inch diameter and 64-inches long, with a 10-inch <br /> recovery zone <br /> Between March 7 2003 and June 9, 2004, after 25 site visas, approximately 96 08 ounces of <br /> accumulated free product has been removed from the skimmer During this time, the free product <br /> thickness has been reduced from 0 45-foot to a sheen less than 0 01-foot A sheen was <br /> observed in each of the three monthly site visits, during the second quarter of 2004 Each of the <br /> free product removal events is summarized in Table 3 <br /> i <br /> 1 <br />