Workers begin drilling operations at the 100-NR-2 Operable Unit, where 171 new wells will be drilled to expand an apatite barrier in the soil to halt the migration of a strontium-90 plume and clean up the aquifer.
Image tags: arra, recovery act, apatite, soil and groundwater remediation, 100 area, wells, drilling, 100-nr-2, groundwater remediation, strontium-90