DCHAS-L Discussion List Archive
Date: Wed, 21 Jun 2006 21:15:29 -0400
Reply-To: Peter Zavon <pzavon**At_Symbol_Here**ROCHESTER.RR.COM>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Peter Zavon <pzavon**At_Symbol_Here**ROCHESTER.RR.COM>
Subject: Re: Supplied-air respirator question
Comments: cc: Doctormfox**At_Symbol_Here**AOL.COM
In-Reply-To: <4fe.102d002.31cb03e0**At_Symbol_Here**aol.com>
Actually a loose-fitting hood can be quite acceptable in some circumstances
and may well BE under positive pressure. This is especially true for a
supplied-air system, where you are not carrying a limited air supply in a
cylinder on your back.
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**LIST.UVM.EDU]On Behalf Of
Doctormfox**At_Symbol_Here**AOL.COM
Sent: Wednesday, June 21, 2006 4:20 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: Re: [DCHAS-L] Supplied-air respirator question
Ff 29CFR1910.134 kicks in, then it's my understanding that all the
requirements of that section apply. I don't believe you can wear a loose
fitting hood.
I understand you need a positive pressure respirator. No leakage. Also,
the
"Buddy System" kicks in. The Buddy also has to be equipped and trained to
execute a rescue, if needed. Whenever there is a potential for an IDLH
atmosphere, or if the hazard is unknown, 29CFR1910.134 applies, to my
understanding.
Michael Fox, Ph.D., Founder
Chemical Accident Reconstruction Services, Inc.
9121 E. Tanque Verde Road #105
Tucson, Arizona 85749
Phone: 800-MIKE-FOX (645-3369)
Fax: 520-749-0861
email: mikefox**At_Symbol_Here**mikefox.com
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