MetaFix® PRB Prevents Migration of Heavy Metals into an Adjacent River and Exceeds Remedial Goals

The main contaminant of concern, aluminum, has decreased from a baseline concentration of 1,530 μg/L to 224 μg/L after ten months, which is well below the remedial goal of 750 μg/L. Significant reductions also have been observed in dissolved arsenic and copper downgradient from the PRB.

The remedial approach included excavation of the most highly impacted soil from the source area and the installation of a permeable reactive barrier (PRB) across the groundwater plume to prevent migration of residual metals into the adjacent river.