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Previous by Date: Subject: Fwd: [DCHAS-L] NIH National Biosafety Stewardship Month Date: Tuesday, October 6, 2015 3:43:25 PM Author: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**keene.edu> |
Next by Date: Subject: Re: [DCHAS-L] Silane Fire and Explosion Date: Tue, 6 Oct 2015 19:39:05 -0400 Author: reinhardnmisidor**At_Symbol_Here**GMAIL.COM |
Silane is SiH4.
SiO2 is silicone dioxide.
Which are we talking about?
Cecilia
Cecilia M. Schreyer
Instructional Associate, Chemistry
President, Classified Senate
Orange Coast College
2701 Fairview Road - Costa Mesa, CA 92626
Office: 714.432.5848
Email: cschreyer**At_Symbol_Here**occ.cccd.edu
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu]
On Behalf Of NEAL LANGERMAN
Sent: Saturday, October 03, 2015 1:51 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Silane Fire and Explosion
From Eugene Ngai, the Silane Guru-
Forwarded by Neal Langerman
From: ehs.grapevine**At_Symbol_Here**semi.org [mailto:ehs.grapevine**At_Symbol_Here**semi.org]
On Behalf Of Eugene Ngai
Sent: Saturday, October 3, 2015 12:36 PM
To: 'Semi Grapevine' <ehs.grapevine**At_Symbol_Here**semi.org>
Subject: SEMI EHS GRAPEVINE - Silane Fire and Explosion
FYI. Sunedison Pasadena TX which was formerly MEMC had a silane explosion and fire injuring 4 people. This occurred during a line break. I am trying to get more details. As luck would have it, I'm presenting
on Pyrophoric Materials on Oct 23 at the Hotzone HazMat Conference in Houston.
A month ago in another silane related incident, a user used an industrial vacuum cleaner to vacuum SiO2 particles from a baghouse. This exploded severely burning the worker.. SiO2 particles can develop a significant
charge, in addition some are not fully oxidized.
These are reminders that we all must be careful when handling silane.
Eugene Y. Ngai
Chemically Speaking LLC
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