At 07:56 PM 9/13/00 -0700, Chuck wrote:
P.S. No, there is no good substitute yet. Nor is there any conclusive
evidence that Halon has any effect on the ozone layer or its "hole".
I've been told that there is now evidence that the ban on freons
(including Halon) has had zero effect on the Ozone layer but that the US
government is unwilling to admit that it was wrong about the relationship
between freon and the loss of the ozone layer.
Joe