Mercaptan 1 : A chemical compound or compounds of the mercaptan family, including tertiary butyl mercaptan (commonly used in odorant blends for reticulated gas) and ethyl mercaptan (commonly used as an odorant for LPG in containers)
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}