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Talc!



 
 
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  #11  
Old December 7th 07, 03:24 PM posted to rec.crafts.pottery
charlie
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Posts: 29
Default Talc!

The Canadian government is still trying to mine and sell asbestos
as an insulation. It's doing this because there are great quantities
of it in Quebec. But it generally* can't be sold in Canada and there are
fewer and fewer takers because the stuff is so bad for the lungs.


Elaine


* my source says some precast concrete can have asbestos.


my local water company used to keep spare pipe in the property behind my
house. it was asbestos concrete pipe. properly encapsulated, there's nothing
wrong with asbestos. of course, the producers have to properly protect their
workers, but the end product isn't going to be air dispersed.

regards,
charlie
cave creek, az


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  #12  
Old December 7th 07, 04:41 PM posted to rec.crafts.pottery
Elderberry Blossom
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Posts: 9
Default Talc!

This link may explain why the University is suddenly eradicating talc.
It probably popped up on a new hazardous materials list.

http://www.preventcancer.com/consume...etics/talc.htm

  #13  
Old December 7th 07, 05:19 PM posted to rec.crafts.pottery
D Kat
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Posts: 55
Default Talc!


"Elderberry Blossom" wrote in message
...
This link may explain why the University is suddenly eradicating talc. It
probably popped up on a new hazardous materials list.

http://www.preventcancer.com/consume...etics/talc.htm


This site seems -- well a bit off. For one thing talc is not toxic. It
does not poison you. What this article meant to suggest is that it may be
carcinogenic Talc is often found near deposits of asbestos and can be
contaminated with it. While it may have a physical structure similar to
asbestos if it is ground fine enough, it does not. Talc in general is not
considered a problem. It is only that talc which we got from a mine in
Connecticut that was contaminated with asbestos that is being treated as a
problem.

http://www.inchem.org/documents/iarc/suppl7/talc.html

Overall evaluation

Talc not containing asbestiform fibres is not classifiable as to its
carcinogenicity to humans (Group 3).

Talc containing asbestiform fibres is carcinogenic to humans (Group 1).


 




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