GEORGE TAMARO: An Italian innovation, slurry walls were first used in 1949. The Port Authority was very courageous to use them in 1967, since slurry walls had not previously been used to this ...

Busloads of people toured the Columbia Falls Aluminum Co. Superfund site on June 12 as the company and government officials explained how a slurry wall containment system might work at the site.

In 1978, the former Velsicol Chemical Co. plant in St. Louis was demolished and buried onsite. That included buildings, storage tanks and process piping. The plant had once manufactured a variety of ...

Over 100 feet of dirt was stacked high into the air Wednesday at the Cabot side of the Cabot-Koppers Superfund site, as bulldozers moved around the top of the pile. This is where what's known as a ...

After more than two decades of remediation at the former Velsicol Chemical Co. plant site in St. Louis, the U.S. Environmental Protection Agency began another major project this spring. Contractors ...

Following the development of the reverse-circulation drilling technique in Japan, trench-cutting machines took off in Europe, according to USSD. In 1984, German contractor Bauer A.G., Schrobenhausen, ...

The Coalition for the Clean CFAC will urge the Environmental Protection Agency to consider a different cleanup plan for the old aluminum plant. The EPA's proposed action calls for creating a slurry ...