Okay. There have been some very near misses with explosions of chlorine-based gas--not chlorine gas but chlorine dioxide gas. There was a really close call in Powell River, British Columbia. But in terms of PCBs, the process that creates dioxin, which I was talking about when they burn the salty wood chips, also creates new PCBs in the stack. That was shown in test results in British Columbia.
On December 4th, 2006. See this statement in context.