ETHANE is a mnemonic indicating a protocol used by emergency services to report situations which they may be faced with, especially as it relates to major incidents, where is may be used as part of their emergency action principles. ETHANE dictates the form in which the receiving control station should get information from the first person or officer on scene. In some jurisdictions, the alternative CHALET may be used. It stands for:Exact Location - The precise location of the incidentType - The… (More on Ethane)