Has anyone actua lly tested a 4% hydrogen/ 96% argon mixture using ASTM E-681, as opposed to just taking the P-23 data or the Bureau of Mines Bulletin 503-1952 at face value?
Kimberly Begley Jeskie, MPH-OSHM
Physical Sciences D irectorate
Oak Ridge National Laborator y
(865) 574-4945< /div>