March 2021

Risk Assessment and Safeguarding of Lithium-Ion Battery Containing Facilities

By |2021-03-25T14:25:50-04:00March 23rd, 2021|Edward M. Marszal, Process Hazards Analysis|

Risk Assessment and Safeguarding of Lithium-Ion Battery Containing Facilities This video is an excerpt [...]

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December 2020

Equations for Dangerous Detected Failure PFD – Derived

By |2020-12-08T16:47:21-05:00December 8th, 2020|Edward M. Marszal, Safety Instrumented System, Vertigo|

Equations for Dangerous Detected Failure PFD - Derived Equations are often used to calculate [...]

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November 2020

Fired Heater High CO/Combustibles Shutdown – Benchmarking Study

By |2020-11-17T18:33:45-05:00November 17th, 2020|Edward M. Marszal, News, Safety Instrumented System|

Fired Heater High CO/Combustibles Shutdown - Benchmarking Study As part of our extensive consulting work [...]

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October 2020

August 2020

June 2020

April 2020

Risk Reduction Factor is not the Inverse of Probability of Failure on Demand

By |2020-04-29T12:37:12-04:00April 29th, 2020|Author, Edward M. Marszal, Safety Instrumented System, Services|

General Definition of Risk Reduction Factor The term Risk Reduction Factor (RRF) is very commonly [...]

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December 2019

June 2019

April 2019

March 2019

The Case for Scenario Coverage for Gas Detector Placement

By |2020-06-23T14:05:27-04:00March 12th, 2019|Edward M. Marszal, Effigy, Fire and Gas Systems|

The Case for Scenario Coverage for Gas Detector Placement In the beginning, gas detector placement [...]

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January 2019

Security PHA Review Example – Video from Kaspersky Industrial Cybersecurity 2018

By |2019-07-24T16:23:36-04:00January 18th, 2019|Edward M. Marszal, ICS Cybersecurity, OpenPHA|

Kaspersky has just published the videos from the Kaspersky Industrial CyberSecurity 2018 conference.  This video [...]

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December 2018

November 2018

October 2018

Security PHA Review Video – Kaspersky ICS Conference

By |2019-07-24T16:23:39-04:00October 18th, 2018|Edward M. Marszal, ICS Cybersecurity, Process Hazards Analysis|

On 20 Sep 2018, Kenexis CEO Ed Marszal presented at the 2018 Kaspersky Industrial Cyber-Security [...]

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August 2018

July 2018

Systematic Safety Integrity; what you need to know.

By |2019-07-24T16:23:40-04:00July 6th, 2018|Kevin Mitchell, News, Safety Instrumented System, Services, Vertigo|

There's a lot of confusion about Systematic Safety Integrity in new IEC61511.  We are starting to [...]

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June 2018

April 2018