Describes the classification of Australian coals into two rank classes, sets out systems for coding coals within each class and provides quantitative definitions for traditional names. Examples of practical applications of the coding system are provided.RECONFIRMATION NOTICETechnical Committee MN-001 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 15 July 2013.The following are represented on Technical Committee MN-001:Australasian Institute of Mining and MetallurgyAustralian Coal AssociationAustralian Coal Industry Reference SamplesAustralian Coal Preparation SocietyBureau of Steel Manufacturers of AustraliaCoalfield Geology Council of NSWCSIRO Energy TechnologyNational Association of Testing Authorities AustraliaNational Generators ForumThe University of New South WalesThe University of QueenslandUniversity of Newcastle