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Based on the interpreted soil parameters, additional soil borings were advanced to specific depths <br /> for the collection of discrete groundwater samples At CPT-4A, a groundwater sample was <br /> collected at a depth of approximately 78 feet from a dedicated soil boring, and groundwater <br /> samples were collected at approximately 124 and 139 feet bgs from a separate soil boring At <br /> CPT-5, groundwater samples were collected at depths of approximately 77 and 88 feet from a <br /> single soil boring, and groundwater samples were collected at approximately 124 and 139 feet <br /> bgs from a separate sal boring At CPT-6, discrete groundwater samples were collected at <br /> ' approximately 23, 50, 63, 88, 101, 120, and 139 feet from a single boring <br /> ' The depth-discrete groundwater samples were collected with a Hydropunch® Prior to exposing <br /> the Hydropunch screen at each sample depth, the borehole was checked for leakage with a water <br /> level indicator Following the cone penetration testing and groundwater sampling, all soil borings <br /> rwere sealed with bentonite grout, placed to the bottom of the boreholes with a grout collar system <br /> and/or polyvinyl chloride (PVC) tremae pipe <br /> 1 <br /> 11 <br />� 1 <br /> 13 <br />