I would say probably tetraethyl lead, which was phased out quite some time ago.
On October 17th, 2006. See this statement in context.
On October 17th, 2006. See this statement in context.
October 17th, 2006 / 10:15 a.m.
General Counsel, DuPont Canada
I would say probably tetraethyl lead, which was phased out quite some time ago.
See context to find out what was said next.