Re: Using microscope to test for asbestos fibers

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Date: Wed, 21 Jul 2004 02:24:29 GMT

I'd suggest sticking with an accredited laboratory. Building material
samples can be tested for $6-10 each, which is a bargain considering
all the liability issues involved here in the US.

For the Record, Phase Contrast Microscopes will not identify asbestos,
it is typically used to count fibers in air samples, irregardless of
the fiber type, in areas where asbestos is being or has been removed.

Building Material samples can be analyzed using a combination of
Stereo Microscopy and PLM, or with TEM, and in some cases SEM, though
the latter is not as well accepted. None of these are something
easily set up in a roving lab, unless it's in a trailer or some such.

B

On Sun, 18 Jul 2004 19:53:25 +0300, test <no@email.com> wrote:

>What kind of microscope I should use to test for asbestos fibers? Would a 100x or
>1000x light microscope suffice? I'd like to test samples on site and take only
>suspect specimens to University lab. The site has a very low probability for
>fibers but owner wants to check anyway.

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