(a) means anthracite, bituminous coal, lignite, oil shale, peat, and sub-bituminous coal; and
(b) includes every other substance worked or normally worked with coal.
Source: Health and Safety in Employment (Mining Administration) Regulations 1996, SR 1996/220, New Zealand, as of January 2011. Regulations
Source: Health and Safety in Employment (Mining—Underground) Regulations 1999, SR 1999/331, New Zealand, as of 8 October 1999. Regulations