American Society for Testing and Materials (ASTM). Current edition approved May 1, 2007. Published June 2007. Originally approved in 1990. Last previous edition approved in 2002 as F1307 – 02. 7 p. This test method covers a procedure for the determination of the steady-state rate of transmission of oxygen gas into packages. More specifically, the method is applicable to packages that in normal use will enclose a dry environment.