This practice covers the rapid identification of nonmetallic, fibrous contaminants by the microscopical examination of their morphology. The procedure is intended either to provide tentative identification or to serve as a supporting test in confirming the identity of suspected fibrous contaminants.

Formerly under the jurisdiction of Committee E21 on Space Simulation and Applications of Space Technology, this practice was withdrawn in April 2005. This practice was withdrawn and replaced by Test Methods D 276.

1.1 This practice covers the rapid identification of nonmetallic, fibrous contaminants by the microscopical examination of their morphology. The procedure is intended either to provide tentative identification or to serve as a supporting test in confirming the identity of suspected fibrous contaminants.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.