Date	Author	Log	Options	Exposure
2021-11-03	Shelley Fong	Adding J_per_C units	[files][create_exposure]
2021-11-03	Shelley Fong	Adding file of ionic valences of common ions	[files][create_exposure]
2021-10-27	Shelley Fong	Adding fC fA fF units	[files][create_exposure]
2021-09-15	Shelley Fong	Initial commit	[files][create_exposure]