1.1 This standard contains requirements for classification, evaluation, and performance of mineral and slag or other by-product abrasives used for blast cleaning steel and other surfaces for painting and other purposes.

1.2 The abrasives covered by this standard are primarily intended for one-time use without recycling, however, some media are capable of being recycled. Requirements for work mixes containing recycled media are contained in Sections 4.4.1 and 4.4.2.

1.3 Unless otherwise specified, the requirements of this standard are contained in Sections 2 through 6.

1.4 When specified, the requirements of Appendix B become mandatory requirements of this standard in addition to the requirements of Sections 2 through 6, and take precedence over any conflicting requirements in Sections 2 through 6.