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From: smh@mhuxl.UUCP (henning)
Newsgroups: net.kids
Subject: Re: Chalk dust vs Whiteboards
Message-ID: <357@mhuxl.UUCP>
Date: Sat, 7-Dec-85 17:09:48 EST
Article-I.D.: mhuxl.357
Posted: Sat Dec  7 17:09:48 1985
Date-Received: Sun, 8-Dec-85 03:17:25 EST
References: <1397@sphinx.UChicago.UUCP> <635@tektools.UUCP>
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 12

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From the keys of Steve Henning, AT&T Bell Labs, Reading, PA mhuxl!smh

> I don't know about chalk dust being toxic, but many people (including me) have
> a reasonably sever allergy to it.
> An alternate might be a "whiteboard," the kind you write on with markers and
> erase with a regular dry eraser.  

Warning: markers for "whiteboards contain chlorinated hydrocarbons which
have been linked with cancer.  I think it would be better to have a child
sneeze than get cancer.  Also the commercial "whiteboard" cleaners 
frequently contain a butyl ether which has been linked with cancer also.