Thanks for the link http://www.mindfully.org/Plastic/EDs...s-CU5jun98.htm
BTW: I don't foil either. I have been known to place butts, briskets or whatever in a stainless steel food pan with a lid on top.
Dr. Mark (STL)
Ph.D. (honorary) Bovine $hitology
A thin line separates paranoia from an acute understanding of reality.