American Society for Testing and Materials (ASTM). Current edition approved July 1, 2010. Published August 2010. Originally approved in 1997. Last previous edition approved in 2009 as E1868 – 09. 6 p. This test method describes a procedure for determining the amount of volatile matter of any kind that is driven off from a test specimen under a specific set of temperature and time conditions. This test method determines only the mass of material lost, not its identity.