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Subject: [DCHAS-L] best practices PPE when working with aqua regia

Date: Oct 18, 2019 15:36 UTC

Author: Juli Chiara <juli.chiara**At_Symbol_Here**GMAIL.COM>

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Subject: Re: [DCHAS-L] Validity of the risk matrix

Date: Oct 18, 2019 15:58 UTC

Author: Monique Wilhelm <mwilhelm**At_Symbol_Here**UMICH.EDU>

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From: Margaret Rakas <mrakas**At_Symbol_Here**SMITH.EDU>

Subject: Re: [DCHAS-L] LD50 Source Data

Date: Oct 18, 2019 15:52 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: Re: [DCHAS-L] LD50 Source Data

Demystify: 

Ditto TOXNET. When I was in industry, we had a DABT-certified toxicologist who reviewed our raw materials every two years for target organ effects (and those went on our MSDS's--which I found to be much more informative than the mishmash of prescribed phrases now, IMHO). She told me about TOXNET and that is where I go for tox info...

RTECS is often cited but my understanding is that 'original' data can be very, very difficult to actually find; it was not necessarily peer-reviewed; and now apparently you need a subscription to view it (CDC sells RTECS DB)

So I stick w/Toxnet...
good luck-



On Fri, Oct 18, 2019 at 10:17 AM Keane J. Leitch <kjl44**At_Symbol_Here**cornell.edu> wrote:

Hi Nora,

Check out TOXNET.

Here is a link to one of the search returns for this compound.

https://chem.nlm.nih.gov/chemidplus/rn/872-50-4

best,

Keane Leitch, MPS, CHMM

Safety Manager, Physical Sciences Complex

Cornell University

121 Baker Lab

Ithaca, NY 14853

607-255-8773

kjl44**At_Symbol_Here**cornell.edu

linkedin.com/in/keane-leitch-332bb546

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