As reported recently on this blog, this video shows last month’s remediation of a coal tar sealant ban violation in Washington, D.C.. This action was done under the authority of the District of Columbia’s Department of the Environment.
The large hose attached to the machine is to filter dust out of the air and the man walking behind the machine is pushing a magnetic bar to pick up any steel shot may be remaining on the pavement. While some have said this couldn’t be done, you can see this is a quick, clean operation that eliminates future sealant pollution problems.
Coal Tar Free America first reported on this technique on the following blog post: (see What If CTS is on My Driveway?!),