ASTM Committee D09 on Electrical and Electronic Insulating Materials was formed in 1909. D09 meets annually in April, with about 15 members participating in 12 meetings over three days. The Committee, with a membership of 87 members, currently has jurisdiction of 141 approved standards that are published in the Annual Book of ASTM Standards, Volume 10.02. A list of each subcommittee, and the portfolio of approved standards and work Items under construction are available from the List of Subcommittees, Standards, and Work Items below.