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Heeding Lawson Assoelates <br /> Groundwater Samples: <br /> Parameter Test Method <br /> Benzene, toluene, ethylbenzene, <br /> and xylenes (BTEX) EPA 9020 <br /> f i <br /> TPH as gasoline EPA 8015/5030, modified <br /> Fecal coliform (MW-3 only) SM 9221.0 <br /> Soil Samples: <br /> Parameter Test Method <br /> TPH as gasoline EPA 8015/5030, modified <br /> BTEX EPA 8020 <br /> F <br /> Because MW-3 is within 50 feet of a septic leach field, we <br /> were required by the EHD to analyze groundwater from this well <br /> for fecal coliform, in addition to TPH and BTEX. Results of <br /> _ chemical analyses performed on soil and groundwater samples are <br /> summarized in Tables 4 and 5, respectively. Copies of the <br /> laboratory reports for all analyses performed are presented in <br /> Appendix E. <br /> SUBSURFACE CONDITIONS <br /> Soil Conditiflns <br /> on the basis of our observations during the installation of <br /> f:< the three monitoring wells, subsurface soils appear to consist <br /> primarily of interbedded silt and sand. The silt typically <br /> T contained some clay and/or sand and was usually hard. TSand, when <br /> 8 <br />