Quote:
Originally posted by Pete VanderLaan
I think the lampworkers are doing the most dangerous stuff with color I have seen in years. I keep seeing work rolled in chrome, which is very gassey and is a known carcinogen. Most other metals are dangerous in a flame as well. This is seriously dangerous stuff. 
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Rolling in chrome is a new one on me, but I'm sure you've seen a broader range of glass work. A lot of the opaques that are rich and dense are based in cadmium and chromium, reduce in a heartbeat, and are toxic as all hell. Any responsible flameworker will have a localized exhust above or above/in front of the range of the torch's flame. Also, the fuming process with silver and gold is nasty. Luckily, my instructor keeps a very safe shop.