Date: Wed, 21 Jun 2006 16:19:44 EDT
Reply-To: Doctormfox**At_Symbol_Here**AOL.COM
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Doctormfox**At_Symbol_Here**AOL.COM
Subject: Re: Supplied-air respirator question
Comments: To: jason.burrill**At_Symbol_Here**CRL.COM
In a message dated 6/21/2006 12:43:45 PM US Mountain Standard Time, 
jason.burrill**At_Symbol_Here**CRL.COM writes:
Hello all,
I was wondering if anyone knew whether or not a medical evaluation was 
necessary for lab personnel wearing a Supplied-air respirator, from 
reading 29 CFR 1910.134 it looks like they would but I just wanted to be 
sure. This would pertain to someone working in a lab that put on a loose 
fitting hood and have it hooked up to a hose that supplied ambient air to 
the user.
If 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**

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