Quote:
Originally Posted by yellowbird
this is crazy
I'd be worried about industrial pollution
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Industrial pollution? From a single lampworking torch? And likely, a small one, at that? That's quite the over-reaction.
Melinda's point is valid in that we are venting fumes that contain carbon monoxide and metals which could definitely be harmful if they were being vented into a room. (Or a close-by open window. the window would have to be pretty close, though.)
Being vented outside doesn't pose a problem. The amounts are small enough to be dissipated once they hit open air.