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0 0 <br /> 3.6 GROUNDWATER SAMPLING <br /> Grab groundwater samples will be collected from soil borings drilled around the <br /> perimeter of the former evaporation ponds. Groundwater samples will be collected <br /> from the top of the groundwater table via HydropunchTM. <br /> 3.7 CHEMICAL ANALYSIS <br /> Select soil samples will be analyzed by DI-WET (De-ionized Waste Extraction Test) for <br /> the following constituents: <br /> • Total Dissolved Solids by EPA Method 2540C <br /> • Chloride by EPA Method 300.0 <br /> • Nitrate as N by EPA Method 300.0 <br /> • Sodium by EPA Method 6010B <br /> Grab groundwater samples will analyzed for the following constituents: <br /> • Total Dissolved Solids by EPA Method 2540C <br /> • Chloride by EPA Method 300.0 <br /> • Nitrate as N by EPA Method 300.0 <br /> • Sodium by EPA Method 200.7 <br /> 3.8 INVESTIGATION DERIVED WASTE <br /> Investigation derived waste (IDW) will be temporarily stored on-site in DOT approved <br /> 55-gallon drums, sampled for waste disposal profiling, and transported to a UPRR <br /> approved disposal facility. <br /> 070001(0) 3 CONESTOGA-ROVERS&ASSOCIATES <br />