Viatuer,
Perlite dust is considered an inhalation hazard.
Paul and Diane LeBlanc Species Orchids
http://www.bluemoonexotics.com
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
>Sent: Wednesday, November 16, 2005 08:09 AM
>To: Orchids@orchidguide.com
>Subject: [OGD] query : caution with dry perlite ?
>
>In the magazine Orchids (October 2005), Yin-Tun Wang comments :
>
>"caution should be used when dealing with dry perlite.
>One should never mix dry ingredients for a medium in a confined place or in
>an area with poor ventilation.
>Wearing protective gear is recommended when preparing a medium" (page 727).
>
>What are the health problems that might result from the use of dry perlite ?
>
>If possible, please provide references with any answer.
>
>Thanks in advance for any enlightenment.
>
>***********
>Regards,
>
>Viateur
>
>
>_______________________________________________
>the OrchidGuide Digest (OGD)
>orchids@orchidguide.com
>http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com
>
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