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Old 11-14-2012, 08:42 AM   #67
ttpete
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Joined: May 2009
Location: Dearborn, MI
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Quote:
Originally Posted by Inane Cathode View Post
Cant remember which, either r12 or r134 but when it burns it makes mustard gas.
Actually, it's phosgene. And this is why one has to be careful when using a halide torch leak detector. It applies to ALL types of freon based refrigerants. This is also true of chlorinated solvents such as trichloroethane.

http://en.wikipedia.org/wiki/Phosgene
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