"Burned off" may be occupational jargon for Radon decay to daughter isotopes which are not inert.

"Burn up" refers to the reduction in the percentage of U235 in the fuel rods in a nuclear power reactor resulting from the fission process during operation.

Jim Keating
IH/safety Consultant & RSO

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Williams, Mark
Sent: Monday, December 08, 2014 8:24 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] The Curie laboratory and #chemsafety

I wonder what " burned off radon" means since Radon is an inert gas.

Mark Williams
mark.williams**At_Symbol_Here**teledyne.com
410-472-7733
Teledyne Energy Systems, Inc.
38 Loveton Cir.
Sparks, MD 21152

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