Case Study: Piston Pumping Solutions - Coal Tar DNAPL Recovery

In the realm of contaminated site remediation and source recovery, coal tar has reigned as one of the most stubborn substances to remove in quantity from the subsurface. Time and again, this thick, sticky, viscous liquid with the consistency of molasses has thwarted efforts to remove it from below ground areas at the 30-acre Calhoun Park Area Superfund Site in the burgeoning, historic harbor district of Charleston, SC. That is, until persistence and the decision to use the Blackhawk Piston Pump to do the cleanup paid off.