Posted by BobG (192.212.253.8) on January 15, 2001 at 06:36:22:
In Reply to: Carbon Monoxide triggers CH posted by Rick on January 14, 2001 at 13:09:53:
IMHO many things in the air could trigger a cluster. In my case the perfume aisle in a department store or the detergent section in a supermarket are places I don't like to be.