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The <br /> • groundwater samples collected from MW-2 contained 84,000 micrograms per liter (µgll) of <br /> TPH-as-gasoline, 29,000 µg11 of benzene, 390 µg11 of toluene, 2,600 µg11 of ethylbenzene, 6,900 <br /> µg11 of xylenes, and 24,000 µfill of MTBE The groundwater sample collected from MW-3 did not <br /> contain detectable concentrations of any gasoline compounds analyzed The groundwater <br /> analytical results are summarized in Table 2, and the laboratory reports are included as <br /> Appendix A <br /> 23 Free Product Removal <br /> On March 7, 2003, Ramage Environmental installed a Hydro-Skimmeffm passive free product <br /> skimmer m MW-1 The passive skimmer is four-inch diameter and 64-Inches long, with a 10-inch <br /> recovery zone <br /> Between March 7 and August 5, 2003, after 14 site visits, approximately 47 50 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 to 0 10 feet Each of the free product removal events is <br /> summarized in Table 3 <br /> Beginning in June 2003, the frequency of the product removal events was reduced from weekly to <br /> monthly, due to the reduction in free product thickness and the limited recovery volumes <br /> 6 <br /> 1 <br />