DCHAS-L Archives, Jan 28 2021 - Re: [DCHAS-L] Liquid nitrogen leak at Georgia poultry plant kills 6

Et al,

N2 is a simple asphyxiant, displacing oxygen from the breathing atmosphere until it is insufficient to sustain life.

What ameorfatoration might be possible? The lieky 10 minutes to evacuate might be obtaqned with the old Air Force 10-minute O2 bottle, but would not be very cost effective and unlikely to be supplies to workers nor would the required training likely be done.

There should be some efficacious engineering controls supplying if nothing else, fresh air ingress, exhaust ventilation, and perhaps the kind of smoke masks with ambient air the Air Force used to have for transport pilots (worn one myself)..

Might not be cost effective, but what's a human life worth? Especially if it's yours.

Engineering controls would be the best answer, and a rapid escape route to fresh air with appropriate training might be an effective administrative control.

trained rescuers with appropriate PPE (supplied air level Bor with SCBA woulld seem reasonable).. Still not better than prevention. If it doesn't happen, nobody needs to respond to it.

Tchey response is necessary.prior coordination with local HAZMAT responder would be highly advisable.

and

These are some suggeions only..

PREVENTION IS ALWATS YBETTER THAN RESPONSE!

Alan

Alan H. Hall, M.D.

Medical Toxicologist

Major, USAFR, MC, FS (Hon. Ret.)

On Thu, Jan 28, 2021 at 5:21 PM Reinhardt, Peter <peter.reinhardt**At_Symbol_Here**yale.edu> wrote:

How much does an oxygen sensor/alarm cost? -- Pete

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Rob Torkei <info**At_Symbol_Here**ILPI.COM>
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Date: Thursday, January 28, 2021 at 5:12 PM
To: "DCHAS-L**At_Symbol_Here**Princeton.EDU" <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: [DCHAS-L] Liquid nitrogen leak at Georgia poultry plant kills 6

Wow. https://abcnews.go.com/US/wireStory/liquid-nitrogen-leak-georgia-poultry-plant-kills-75543081

GAINESVILLE, Ga, -- A liquid nitrogen leak at a northeast Georgia poultry plant killed six people Thursday, with multiple others taken to the hospital, officials said.

At least three of those injured at the Foundation Food Group plant in Gainesville were reported in critical condition.

Poultry plants rely on refrigeration systems that can include liquid nitrogen. Firefighters, the U.S. Occupational Safety and Health Administration and the state fire marshal were investigating the cause of the leak.

"It was a leak of unknown cause that has occurred in the system here," Hall County Fire Department Division Chief Zach Brackett said. "We still have a lot of information we're trying to gather from the scene."

Foundation Food Group Vice President for Human Resources Nicholas Ancrum called the leak a tragic accident and said early indications are that a nitrogen line ruptured in the facility.

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