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From: "Chainani, Edward Torres" <echaina2**At_Symbol_Here**ILLINOIS.EDU>
Subject: Re: [DCHAS-L] SF6 fume hood certification
Date: Fri, 12 Nov 2021 15:56:21 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: CH0PR11MB57541A70423677D91389A836E0959**At_Symbol_Here**CH0PR11MB5754.namprd11.prod.outlook.com
In-Reply-To <7C507FA4-5D9F-4305-B090-4D318B0C4BB6**At_Symbol_Here**rstuartcih.org>

Ralph,

I meant the detection instrument.

Regards,
Ed

-----Original Message-----
From: ACS Division of Chemical Health and Safety On Behalf Of Ralph Stuart
Sent: Friday, November 12, 2021 9:45 AM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] SF6 fume hood certification

> >I learned from discussion with two fume hood testing professionals that the major SF6 measuring instrument is no longer being manufactured or no longer being supported, and certified testers are in a holding pattern and waiting for the new standard and the potentially new equipment requirements that could go with a change in tracer gas.
>
Is this the SF6 detector or the orifice used to release the SF6 in the hood? I know that the latter was a speciality item for this test and hard to acquire, unless you made your own...

- Ralph

Ralph Stuart, CIH, CCHO
ralph**At_Symbol_Here**rstuartcih.org

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