Found this cross posted on a few forums. Thought it was worth sharing.

http://www.brewracingframes.com/id75.htm

Thanks for the info!

Crazy that brake cleaner can turn into a fatal gas under heat and mixed with Argon...

how bout a safety bump .......weld on my friend s

Thanks for the post.

Great information! I'm sure almost all of us have and use brake cleaner.

I think I will encourage my ex-wife to take up welding

Very interesting stuff. I have learned a lot about chemical weapons in my line of work and one of my favorite things is the smells associated with poison gasses. Phosgene is supposed to smell like newly cut hay or grass. The thing is that 3-5 PPM can be fatal. I am pretty sure that every guy who noticed the fresh cut grass smell had to die shortly after.