First published in Australia as AS A128-1962.Revised and redesignated AS 2041-1977 and AS 2042-1977.Second edition AS 2041-1984.Second edition AS 2042-1984.AS 2041-1984 and AS 2042-1984 jointly revised, amalgamated and designated AS/NZS 2041:1998.AS/NZS 2041:1998 revised, in part, and designated AS/NZS 2041.1:2011. Originated in Australia as AS A128-1962. Subsequent Editions AS 2041-1984 and AS 2042-1984. AS 2041-1984 and AS 2042-1984 jointly revised, amalgamated and designated AS/NZS 2041:1998. AS/NZS 2041:1998 revised, in part, and designated AS/NZS 2041.1:2011. Reissued incorporating Amendment No. 1 (September 2018).