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Subject: [DCHAS-L] AD: CHAS WORKSHOPS IN SF
Date: Tuesday, July 15, 2014 12:18:40 PM
Author: NEAL LANGERMAN <neal**At_Symbol_Here**chemical-safety.com> 		Next by Date:
Subject: Re: [DCHAS-L] chemicals and bikes
Date: Tue, 15 Jul 2014 19:27:03 -0700
Author: DAVID

From: "Ferm, Barret" <fermbarreta**At_Symbol_Here**sau.edu>
Subject: [DCHAS-L] Dangerous news re: H2S
Date: Tue, 15 Jul 2014 12:20:56 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: CAHoE6jqXZZ6BsGfs5WWhpZwzFoEOfvFpiuUNfZnQW67J9VOd+w**At_Symbol_Here**mail.gmail.com


This came across my virtual desk, and had to share. Hopefully this "news" won't lure DIY health enthusiasts to experiment with H2S. Particularly alarming is the statement in the blurb that says H2S is harmful in "large doses," but that neglects the fact that the NIOSH 10-minute ceiling is 10 ppm!

http://m.theweek.com/speedreads/index/264585/speedreads-study-smelling-farts-may-be-good-for-your-health

Barry Ferm

.Ba Fm.

Barret A. Ferm, Ph.D.
Chemical Hygiene Officer
Chemistry Laboratory Coordinator

What you see on the outside, and what you are on the inside, are poles of the same magnet. -Alan Watts


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