From: Harry Elston <helston**At_Symbol_Here**MIDWESTCHEMSAFETY.COM>
Subject: Re: [DCHAS-L] Hydrogen Fuel Cell Questions
Date: Thu, 28 Jul 2016 15:56:43 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 003c01d1e912$90bdb550$b2391ff0$**At_Symbol_Here**midwestchemsafety.com
In-Reply-To <95043dab99c54a07a028cbb15794b651**At_Symbol_Here**SDSMT-ex13.sdsmt.edu>


Margaret,

 

Make sure that you're compliant with NFPA 55 and sensors are located at/near point of use and in the ceiling and high points in the facility. Whatever your fire marshal recommends for area coverage, double it and change the sensors out twice as often as recommended by the manufacturer as gas sensors are very susceptible to environmental degradation.

 

Harry

 

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Smallbrock, Margaret A.
Sent: Thursday, July 28, 2016 2:55 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Hydrogen Fuel Cell Questions

 

My apologies, it is a 2 sensor system, H2 and O2.

 

Thank you for asking/clarifying the question.

 

Margaret

 

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Aaron's Phone
Sent: Thursday, July 28, 2016 1:44 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Hydrogen Fuel Cell Questions

 

Margaret,

 

I would also use a room O2 sensor for the room.  It helps the team to know if oxygen levels are slipping to dangerous levels because of a H2 leak.  

 

Regards,

Aaron Chen, MPH, CIH, FAIHA

Sent from Aaron's iPhone.  


On Jul 28, 2016, at 2:29 PM, Smallbrock, Margaret A. <Margaret.Smallbrock**At_Symbol_Here**SDSMT.EDU> wrote:

Greetings,

 

I have a researcher who is intending to start work on a hydrogen fuel cell. I want to make sure I have covered all the bases when I talk with him. The hydrogen sensor has already been purchased, but if you can provide any extra guidance, that would be great.

 

Thank you,

 

Margaret Smallbrock

Campus Environmental Health and Safety Manager

Environmental Health & Safety

South Dakota School of Mines

501 East St. Joseph Street

Rapid City, SD 57701-3995

605-394-6020

605-394-5837 FAX

Margaret.Smallbrock**At_Symbol_Here**sdsmt.edu

 

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