A permeable reactive barrier, or “PRB,” is a wall constructed below ground to clean up contaminated groundwater. The wall is “permeable,” which means that contaminated groundwater can flow ...

In 2007, a $1.4 million permeable reactive barrier (PRB) was installed to protect Green Pond Brook: Comprised of an iron-based sand-like material, a PRB essentially allows groundwater to pass ...

The EPA began oversight of barrier installation at the site on July 15 to reduce the contamination concentrations in the groundwater. Crews are installing Permeable Reactive Barriers along ...

This is called an in-situ approach. The second element includes installing permeable reactive barriers along the property border and rights of way south of the site. Barriers are created by ...

permeable reactive barrier walls and fertilizer reduction. "These regulations are long overdue, much needed, and transformational for Cape Cod," said Andrew Gottlieb, executive director of the ...