Transmission Electron Microscopy (TEM)


Transmission Electron Microscopy (TEM) : A method of analyzing and quantifying samples for the presence of asbestos. Unlike light microscopy, TEM can definitively dis-tinguish between asbestos fibers and other types of fibers. TEM also has a far higher resolution than light microscopy methods. However, since with TEM asbestos is quantified as number of structures rather than fibers per cubic centimeter, TEM results cannot be directly compared to the Permissible Exposure Limit of 0.1 fiber/cc
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