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TEM ASTM D-6281-98

Category Asbestos Lab Services
Test TEM ASTM D-6281-98

Standard Test Method for  Airborne Concentration of Ambient and Indoor Atmospheres as Determined by Transmission Electron Microscopy Direct Transfer (TEM)

This test method is an analytical procedure using Transmission electron Microscopy (TEM) for the determination of the concentration of asbestos structures in ambient atmospheres.  It includes measurements of the dimensions of asbestos structures from which aspect ratios can be calculated.  This method is necessarily complex as it reports precise detail about the measurements of the often complex structures encountered in a typical air sample.

The method of data recording is designed to allow re-evaluation of the structure counting data as new applications for measurements are developed.

Sample retention time - 60 days