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17 August 2012 <br /> AGE-NC Project No. 01-0887 <br /> Page 2 of 6 <br /> Monitoring well MW-1: <br /> • Water quality objectives for dissolved TPH-g should be achieved by 2035; <br /> • Water quality objectives for dissolved MTBE could not be projected due to upward <br /> trending concentrations; and <br /> • Water quality objectives for dissolved benzene could not be projected due to <br /> upward trending concentrations. <br /> Monitoring well MW-2: <br /> • Water quality objectives for dissolved TPH-g should be achieved during 2012. <br /> • Water quality objectives for dissolved benzene should be achieved during 2020. <br /> Monitorin_g well MW-3: <br /> • Water quality objectives for dissolved TPH-g should be achieved shortly after 2013. <br /> • Water quality objectives for dissolved MTBE could not be projected due to,upward <br /> trending concentrations; and <br /> • Benzene concentrations have achieved water quality objectives and should maintain <br /> non-detectable levels. <br /> SOIL VAPOR INTRUSION WORK PLAN <br /> AGE proposes to collect soil-vapor samples to assess the potential for soil-vapor intrusion <br /> into the existing buildings on-site. <br /> The scope of work for this investigation will consist of the following tasks: <br /> • Permitting and pre-field work preparations; <br /> • Geoprobe advancement and soil vapor sample collection; <br /> • Soil vapor sample analysis; <br /> • Review and analysis of soil vapor data; and <br /> • Report preparation. <br /> Advanced GcoEnvironmcntal,Inc. <br />