Earlier this month Tom Ennis presented to the North Branch of the Chicago River Watershed Workgroup (NBWW) and the latest information on coal tar sealers, ethylene cracked residues (also known as petroleum resins), and legislation restricting their use.
This presentation was dedicated to colleagues Dr. Barbara Mahler and Dr. Peter Van Meter of the USGS both of whom were seriously injured in a car accident in May. Dr. Van Meter died of his injuries and Dr. Mahler is still recovering at this time.
**New** Video: the Perils of Pavement Preservation
Earlier this month Tom Ennis presented to the North Branch of the Chicago River Watershed Workgroup (NBWW) and the latest information on coal tar sealers, ethylene cracked residues (also known as petroleum resins), and legislation restricting their use.
This presentation was dedicated to colleagues Dr. Barbara Mahler and Dr. Peter Van Meter of the USGS both of whom were seriously injured in a car accident in May. Dr. Van Meter died of his injuries and Dr. Mahler is still recovering at this time.
Share this:
Related
Share this post