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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