Story

Full Project Description Located at: view PDF

Site Location: US EPA Region 4 Chattanooga Creek, Chattanooga Tennessee

Project Status: Completed in November 2006

Setting / Purpose: Freshwater creek and floodplain area. Seal / Liner construction to isolate mobile contaminants in surrounding area.

Contaminant(s) of Concern: PAHs (polynuclear aromatic hydrocarbons).

AquaBlok Cap Design / Site Area: Layer of 3070FW Blended Barrier product was applied in 8” thickness in prepared creek bed and hydrated. A 6” layer of native soil was applied over the cap. Site area was comprised of a 2,000-foot segment of the creek which included an oxbow, for a total of over 175,000 SF.

Method of AquaBlok Placement: Land-based stone dump trucks and long-stick excavator.

Peruse EPA Region 4 Website