HEADQUARTERS RESOURCES FLY ASH PLANT, CENTRALIA WASHINGTON

This property is a fly ash storage facility and was the subject of a phase 1 Environmental Site Assessment identifying potential environmental issues. Plateau Geoscience group conducted a Phase 2 ESA field investigation of the property and the identified potential environmental issues to support upgrading site facilities. Test pits were excavated to sample soil and groundwater, sediment samples were collected from stormwater catch basins, and product samples were collected from onsite fly ash stockpiles. The investigation determine no environmental issues were present.