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Working To Restore Nature <br /> limits of soil and groundwater contamination Continued quarterly groundwater monitoring and <br /> sampling is recommended <br /> Van Buren Street Property <br /> Petroleum hydrocarbon analytes were not present in the soil samples collected from bonngs SB4 <br /> and SBS, however, petroleum hydrocarbon analytes were present in the soil samples collected <br /> from boring SB3 which is located downgradient of the former tank pit These ranged from <br /> traces of toluene and xylenes at a depth of 15 feet to moderate concentrations of BTEX and <br /> TPHg at 20 feet Petroleum hydrocarbons were present in the capillary fringe soils in MW9 <br /> ' These data indicate that the limits of non-capillary soil impact have been defined to the south and <br /> east of the former tank pit, and these limits can be extrapolated to the west with some degree <br /> ' of confidence Capillary soil contamination extends to the northern boundary of the property <br /> s Groundwater impact has not been defined by the hydropunch groundwater samples collected <br /> from borings SB3, SB4, or SB5 nor the new downgradient well MW9 Figure 5 depicts the <br /> areas of soil and groundwater contamination as currently defined <br /> ' Continued groundwater monitoring and sampling is recommended pending a study of remedial <br /> options An automatic product skimmer will be installed in MW-3 during the third quarter of <br /> this yeaz. <br /> 1 <br /> 1 <br /> 1 <br /> j%O'M%REPORTSISR-06%ML 12 <br /> i <br />