1.1 This terminology covers a repository of definitions essential for the business of Committee D07.

1.2 The following criteria shall be followed by Subcommittee D07.91 in selecting terms and associated definitions for inclusion in this terminology.

1.3 When a term is used in an ASTM document for which Committee D07 is responsible, it is included in this terminology only when judged an essential term by Subcommittee D07.91.

1.4 A definition is a single sentence with additional information included in discussion notes.

1.5 Terms and definitions shall be reviewed every 5 years; the year of last review is appended.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.