Date: Fri, 3 Dec 2010 15:22:54 -0600
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Jim Tung <jimtung**At_Symbol_Here**GMAIL.COM>
Subject: OHSA/NIOSH Permissible limits

Hello, all: When the NIOSH pocket guide has different permissible limits (NIOSH versus OSHA), which is the better one to follow? For example, benzene's limit for NIOSH is 0.1 ppm (10 hr workday), while OSHA's limit is 1 ppm (8 hour workday.) Why the difference? From a legal perspective, which is a better choice? Thanks in advance for any advice you might give; obviously, any advice people might give is non-binding, you're not responsible, legal mumbo-jumbo, blah, blah. Cheers, Jim Tung Lead Hazardous Waste Coordinator Obiter Research LLC Champaign, IL

Hello, all:

When the NIOSH pocket guide has different permissible li mits (NIOSH versus OSHA), which is the better one to follow?

For ex ample, benzene's limit for NIOSH is 0.1 ppm (10 hr workday), while OSHA 's limit is 1 ppm (8 hour workday.)

Why the difference? From a legal perspective, which is a better choice?

Thanks in advance for any advice you might give; obviously, any ad vice people might give is non-binding, you're not responsible, legal mu mbo-jumbo, blah, blah.

Cheers, Jim Tung

Lead Hazardous Waste Coordinator
Obiter Rese arch LLC
Champaign, IL

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