Work Item
ASTM WK74407

New Test Method for Automated Counting of Fibers in Prepared Air Sample Filters using Phase Contrast Microscopy

1. Scope

Automation in PCM/NIOSH 7400 analysis XRapid/XRFiber developed technology two years ago using artificial intelligence, motorized stage, and iPad technology. There have been substantial improvements in the technology (initial attempts were not as successful as current attempts). Frank can share data if interested. Owners have joined ASTM D22.07 and there will be a presentation at Johnson/Rook. Many have expressed interest; topic will be on future agendas.


Asbestos, PCM, AI, NIOSH 7400, D7201


International interest

The title and scope are in draft form and are under development within this ASTM Committee.


Developed by Subcommittee: D22.07

Committee: D22

Staff Manager: Ashley Wiand

Work Item Status

Date Initiated: 10-16-2020

Technical Contact: Frank Ehrenfeld