Hi gang - hey, need some quick assistance. Does anyone know if using "commercial" grade He instead of "analytical" grade He would cause an issue in helium leak testing? I think I know the answer but looking for a sanity check. Dave Hillman Rockwell Collins [log in to unmask] ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________