Work Item
ASTM WK83811
New Test Method for Analysis of Asbestos in Vermiculite - Research Method
1. Scope
This method is intended to provide the methods of preparation and analysis for the presence and quantitation of asbestos in vermiculite products including the products that contain other materials. The asbestos will be identified and counted by standard microscopical procedures.Keywords
vermiculite; TEM; PLM; asbestosRationale
Thousands of homes were constructed with vermiculite attic insulation and vermiculite is a constituent in many building products. Vermiculite mined in Libby, Montana has been found to contain asbestos and asbestos-related disease has been found in the general population of Libby. The users of this method will be regulators, home owners, environmental consultants.
Work Item Status
Date Initiated: 10-17-2022
Technical Contact: James Millette
Item: 000
Ballot:
Status: