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Subject: Re: [DCHAS-L] CSB Releases Update and Animation Detailing the Explosion and Fire at the PES Refinery in Philadelphia, PA
Date: Wednesday, October 16, 2019 at 5:33:37 PM
Author: Bruce Van Scoy <bvanscoy**At_Symbol_Here**TWC.COM> 		Next by Date:
Subject: Re: [DCHAS-L] Validity of the risk matrix
Date: Thu, 17 Oct 2019 10:33:42 -0400
Author: ILPI Support

From: David C. Finster <dfinster**At_Symbol_Here**WITTENBERG.EDU>
Subject: [DCHAS-L] Validity of the risk matrix
Date: Thu, 17 Oct 2019 13:58:44 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: DM6PR04MB69211C2674EC84564E2A9D9CB26D0**At_Symbol_Here**DM6PR04MB6921.namprd04.prod.outlook.com


While stumbling around the web with regard to thinking about the risk matrix, I came upon an article that questioned its value:

 

https://medium.com/**At_Symbol_Here**JornMineur/why-the-risk-matrix-must-die-620a7287e7c

 

The essence of the argument, I think, is that estimates of probability are very unreliable.   I’d appreciate the wisdom of the list regarding this essay and its conclusion.

 

Dave

 

David C. Finster
Professor Emeritus, Department of Chemistry
Wittenberg University

 

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