My sister is a dental hygenist and has a patient who many, many years ago got a chemistry set for Christmas and gave himself a permanent gum injury by sticking one of the chemicals in his mouth. I do not know what the chemical was, but must have been rather aggressive from what my sister describes.

Of course she also has a patient who still has a BB lodged in his cheek (the kind of cheek that would be involved in a dental x-ray) from an incident involving his brother and a BB gun, also many, many years ago.

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Derheimer, Dan G
Sent: Friday, November 15, 2013 2:32 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Heirloom Chemistry Set Kickstarter Project

Sounds like their safety information is "heirloom" also.

Dan Derheimer
Director
Environmental Health & Safety
Indiana University Bloomington
1514 E. 3rd St.
Bloomington, IN 47405
dderheim**At_Symbol_Here**iu.edu
812-855-3234
www.ehs.iu.edu

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Peter Zavon
Sent: Friday, November 15, 2013 10:37 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Heirloom Chemistry Set Kickstarter Project

This sounds kind of interesting but I begin to question the validity of the entire enterprise (especially their stated concern for safety) when I see that benzene is one of the compounds provided with their kit AND that the MSDS they offer for benzene not only lacks any mention that it is a known human carcinogen, but includes the line "Chronic Exposure: No information found." (It does state "Known Carcinogen" under Section 16: other
information)

It also states in Section 8 that no airborne exposure limits have been established while burying the OSHA and ACGIH limits in Section 15 Regulatory information.

I've not checked any of their other MSDS, but benzene is so widely known in this regard that I have to wonder what these people think they are doing.

Peter Zavon, CIH
Penfield, NY

PZAVON**At_Symbol_Here**Rochester.rr.com

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Ralph B. Stuart
Sent: Friday, November 15, 2013 8:11 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Heirloom Chemistry Set Kickstarter Project

Here's something that I think will interest many on the DCHAS-L list... it addresses chemical safety issues in interesting ways.

- Ralph

http://www.kickstarter.com/projects/1742632993/heirloom-chemistry-set

Heirloom Chemistry Set Kickstarter Project

This is the chemistry set you always wanted as a kid but either didn't get it or you got stuck with some cheap plastic wannabe...

Ralph Stuart, CIH
Chemical Hygiene Officer
Cornell University
rstuart**At_Symbol_Here**cornell.edu

Find West on Twitter <http://twitter.com/#!/WestPharma> and LinkedIn<http://www.linkedin.com/company/west-pharmaceutical-services?trk=fc_badge>.

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