1.1 This guide covers the editorial form and style for product specifications under the jurisdiction of ASTM Committee A-1.

Note 1-For standards other than product specifications, such as test methods, practices, and guides, see the appropriate sections of Form and Style for ASTM Standards (Blue Book).

1.2 Subcommittees preparing new product specifications or revising existing ones should follow the practices and procedures outlined herein, and be guided by the latest specification covering similar commodities.

1.3 This guide has been prepared as a supplement to the current edition of the Blue Book, and is appropriate for use by the subcommittees to Committee A-1. This guide is to be applied in conjunction with the Blue Book.

1.4 If a conflict exists between this guide and the mandatory sections of the current edition of the Blue Book, the Blue Book requirements have precedence. If a conflict exists between this guide and the nonmandatory sections of the current edition of the Blue Book, this guide has precedence.