Carriage of cargoes and containers (CCC) Interim guidelines for methyl/ethyl alcohol as fuel The MSC 102 approved interim guidelines for the safety of ships using methyl/ethyl alcohol as fuel. Alternative metallic materials for cryogenic service The MSC 102 approved interim guidelines for the acceptance of alternative metallic materials for cryogenic service in ships carrying LNG in bulk and ships using LNG or other low-flashpoint fuels as fuel. High manganese materials for cryogenic service The MSC 102 approved a revision of the interim guidelines on the application of high manganese austenitic steel for cryogenic service.