This page provides lists of publications by Primatech. Click on the links below to go to publications on a specific topic, or scroll down the page to see all publications.
Auditing for Process Safety
Chemical Reactivity
Competency in Process Safety
Cyber Security
Decision Making
Functional Safety
HAZOP
Human and Psychological Factors
Layers of Protection Analysis
PHA Analytics
Physical Security
Process Hazard Analysis
Process Safety
Risk Communication
Risk Matrices
Risk Tolerance Criteria
Safeguards
SIMOP
System-theoretic Hazard Analysis
Auditing for Process Safety
Competency requirements for process safety auditors, P. Baybutt, Process Safety Progress, Volume 34, Issue 2, pages 179–182, June 2015.
Chemical Reactivity
Chemical reactivity and hazard and operability (HAZOP) studies, P. Baybutt, Loss Prevention Bulletin, Issue 244, August 2015.
Consider chemical reactivity in process hazard analysis, P. Baybutt, Chemical Engineering Progress, Vol. 111 (1), pages 25 - 31, January 2015.
Competency in Process Safety
Implement a competency management system for process safety, P. Baybutt, Hydrocarbon Processing, 95 (7), pages 77 - 79, July 2016.
The meaning and importance of process safety competency, P. Baybutt, Process Safety Progress, Volume 35, Issue 2, pages 171–175, June 2016.
Competency requirements for process safety auditors, P. Baybutt, Process Safety Progress, Volume 34, Issue 2, pages 179–182, June 2015.
Competency requirements for process hazard analysis (PHA) teams, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 33, pages 151-158, January 2015.
Competence requirements for process hazard analysis (PHA) teams, P. Baybutt, AIChE Spring Meeting & 10th Global Congress on Process Safety, New Orleans, LA, April 2014.
Cyber Security
Security Vulnerability Analysis: Protecting Process Plants from Physical and Cyber Threats, P. Baybutt, in Security Risk Assessment in the Chemical and Process Industry, G. Reniers, N. Khakzad and P. Van Gelder (Eds.), de Gruyter, Berlin, Germany, 2018.
Issues for Security Risk Assessment in the Process Industries, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 49, Part B, pages 509-518, September 2017.
Comprehensive cyber security vulnerability analysis for manufacturing plants, P. Baybutt, Hydrocarbon Engineering, Vol. 10, No. 1, pages 12 - 18, January 2005.
Cyber security risk analysis for process control systems using rings of protection analysis (ROPA), Process Safety Progress, P. Baybutt, Vol. 23, Issue 4, pages 284–291, December 2004.
Sneak path security analysis for industrial cyber security, P. Baybutt, Intech, Vol. 51, Issue 9, page 56 et seq., September 2004.
A scenario-based approach for industrial cyber security vulnerability analysis, P. Baybutt, Hydrocarbon Processing , Vol. 83, No. 3, page 49 et seq., March 2004.
Cyber security vulnerability analysis: An asset-based approach, P. Baybutt, Process Safety Progress, Vol. 22, Issue 4, pages 220–228, December 2003.
Decision Making
The validity of engineering judgment and expert opinion in hazard and risk analysis: The influence of cognitive biases. P. Baybutt, Process Safety Progress, Volume 37, pages 205-210, Issue 2, June 2018.
Get creative with process safety management, P. Baybutt, Chemical and Engineering Progress, pages 56 - 60, Vol. 113, No. 4, April, 2017.
Process safety incidents, cognitive biases and critical thinking, P. Baybutt, Hydrocarbon Processing, Vol. 96, No. 4, pages 81 - 82, April 2017.
A framework for critical thinking in process safety management, P. Baybutt, Process Safety Progress, Volume 35, Issue 4, pages 337–340, December 2016.
The psychology of decision making in process hazard analysis, P. Baybutt, AIChE Spring Meeting & 11th Global Congress on Process Safety, Austin, TX, April 2015.
Functional Safety
Overcoming challenges in using layers of protection analysis (LOPA) to determine safety integrity levels (SILs), P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 48, pages 32 – 40, July 2017.
The use of risk matrices and risk graphs for SIL determination, P. Baybutt, Process Safety Progress, Vol. 33, Issue 2, pages 179–182, June 2014.
The interface of functional safety with process safety and risk analysis, P. Baybutt, Process Safety Progress, Vol. 32, Issue 4, pages 346–350, December 2013.
Risk tolerance criteria and the IEC 61511/ISA 84 standard on safety instrumented systems, P. Baybutt, Process Safety Progress, Vol. 32, Issue 3, pages 307–310, September 2013.
Using risk tolerance criteria to determine safety integrity levels for safety instrumented functions, P. Baybutt, Journal of Loss Prevention in the Process Industries, 25 (6), pages 1000 - 1009, 2012.
An improved risk graph approach for determination of safety integrity levels (SILs), P. Baybutt, Process Safety Progress, Vol. 26, No. 1, pages 66 - 76, March 2007.
HAZOP
Key issues in performing hazard and operability (HAZOP) studies, P. Baybutt, Loss Prevention Bulletin, Issue 257, pages 26-28, October, 2017.
Guidelines for addressing limitations in the performance of HAZOP studies, P. Baybutt, Loss Prevention Bulletin, Issue 250, pages 21 - 24, August, 2016.
Design intent for hazard and operability (HAZOP) studies, P. Baybutt, Process Safety Progress, Volume 35, Issue 1, pages 36–40, March 2016.
Chemical reactivity and hazard and operability (HAZOP) studies, P. Baybutt, Loss Prevention Bulletin, Issue 244, August 2015.
A critique of the hazard and operability (HAZOP) study, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 33, pages 52-58, January 2015.
Requirements for improved PHA methods: Addressing weaknesses in HAZOP and other traditional PHA methods, P. Baybutt, AIChE Spring Meeting & 10th Global Congress on Process Safety, New Orleans, LA, April 2014.
Human and Psychological Factors
The validity of engineering judgment and expert opinion in hazard and risk analysis: The influence of cognitive biases. P. Baybutt, Process Safety Progress, Volume 37, pages 205-210, Issue 2, June 2018.
Get creative with process safety management, P. Baybutt, Chemical and Engineering Progress, pages 56 - 60, Vol. 113, No. 4, April, 2017.
Process safety incidents, cognitive biases and critical thinking, P. Baybutt, Hydrocarbon Processing, Vol. 96, No. 4, pages 81 - 82, April 2017.
A framework for critical thinking in process safety management, P. Baybutt, Process Safety Progress, Volume 35, Issue 4, pages 337–340, December 2016.
Cognitive biases in process hazard analysis, P. Baybutt, Journal of Loss Prevention in the Process Industries, doi:10.1016/j.jlp.2016.06.014.
The psychology of decision making in process hazard analysis, P. Baybutt, AIChE Spring Meeting & 11th Global Congress on Process Safety, Austin, TX, April 2015.
The role of people and human factors in performing process hazard analysis and layers of protection analysis, P. Baybutt, J. of Loss Prevention in the Process Industries, Vol. 26, pages 1352-1365, 2013.
Process hazards analysis (PHA), layers of protection analysis (LOPA), and the human factor, P. Baybutt, AIChE Spring Meeting & 9th Global Congress on Process Safety, San Antonio, TX, April 28 - May 1 2013.
Human Factors Methods for Improving Performance in the Process Industries, Wiley, CCPS / AIChE, 2007.
Chapter 4. Process Equipment Design
Chapter 6. Control Center Design
Chapter 7. Remote Operations
Chapter 9. Human / Computer Interface
Chapter 10. Safe Havens
Chapter 12. Training
Chapter 14. Documentation Design and Use
Chapter 24. Safe Work Practices and Permit-to Work Systems
Chapter 25. Management of Change
Chapter 26. Qualitative Hazard Analysis
Chapter 27. Quantitative Risk Assessment
Chapter 28. Safety Systems
Chapter 29. Competence Management
Analysis of human factors for process safety: Application of LOPA-HF to a fired furnace, by P. Baybutt and J. Haight, Hydrocarbon Processing, Vol. 82, No. 4, pages 79 - 83, April 2003.
Layers of protection analysis for human factors (LOPA-HF), P. Baybutt, Process Safety Progress, Vol. 21, No. 2, pages 119 - 129, June 2002.
Human factors in process safety and risk management: Needs for models, tools and techniques, P. Baybutt, International Workshop on Human Factors in Offshore Operations, New Orleans, December 1996.
Layers of Protection Analysis
Addressing enablers in layers of protection analysis, P. Baybutt, Process Safety Progress, Vol. 33, Issue 3, pages 221–226, September 2014.
Overcoming challenges in using layers of protection analysis (LOPA) to determine safety integrity levels (SILs), P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 48, pages 32 – 40, July 2017.
The role of people and human factors in performing process hazard analysis and layers of protection analysis, P. Baybutt, J. of Loss Prevention in the Process Industries, Vol. 26, pages 1352-1365, 2013.
Analytical Methods in Process Safety Management and System Safety Engineering – Layers of Protection Analysis, in Handbook of Loss Prevention Engineering, P. Baybutt, Wiley-VCH, Weinheim, Germany, 2013.
Addressing enablers in layers of protection analysis, P. Baybutt, AIChE Spring Meeting & 9th Global Congress on Process Safety, San Antonio, TX, April 28 - May 1 2013.
Process hazards analysis (PHA), layers of protection analysis (LOPA), and the human factor, P. Baybutt, AIChE Spring Meeting & 9th Global Congress on Process Safety, San Antonio, TX, April 28 - May 1 2013.
Conducting process hazard analysis to facilitate layers of protection analysis, P. Baybutt, Process Safety Progress, Vol. 31, No. 3, pages 282–286, September 2012.
Using layers of protection analysis to evaluate fire and gas systems, P. Baybutt, Process Safety Progress, Vol. 31, No. 3, pages 255–260, September 2012.
Risk tolerance criteria for layers of protection analysis, P. Baybutt, Process Safety Progress, Vol. 31, No. 2, pages118–121, June 2012.
Analysis of human factors for process safety: Application of LOPA-HF to a fired furnace, P. Baybutt and J. Haight, Hydrocarbon Processing, Vol. 82, No. 4, pages 79 - 83, April 2003.
Layers of protection analysis for human factors (LOPA-HF), P. Baybutt, Process Safety Progress, Vol. 21, No. 2, pages 119 - 129, June 2002.
PHA Analytics
Safety and quality metrics for process hazard analysis, P. Baybutt, Process Safety Progress, December 2020, doi.org/10.1002/prs.12222
Metrics and analytics for process hazard analysis (PHA), P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 68, November 2020, 104268.
Physical Security
Security Vulnerability Analysis: Protecting Process Plants from Physical and Cyber Threats, P. Baybutt, in Security Risk Assessment in the Chemical and Process Industry, G. Reniers, N. Khakzad and P. Van Gelder (Eds.), de Gruyter, Berlin, Germany, 2018.
Issues for Security Risk Assessment in the Process Industries, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 49, Part B, pages 509-518, September 2017.
Inherent security: Protecting process plants against threats, P. Baybutt, Chemical Engineering Progress, December 2003.
Strategies for protecting process plants against terrorism, sabotage and other criminal acts, P. Baybutt and V. Reddy, Homeland Defence Journal, Vol. 2, No. 1, 2003.
Process security management systems: Protecting plant against
threats, P. Baybutt, Chemical Engineering, Vol. 110 (1), pages 48-56, 2003.
Assessing risks from threats to process plants: Threat and vulnerability analysis, P. Baybutt, Process Safety Progress,, Vol. 21, Issue 4, pages: 269–275, December 2002.
Process plant security programs for managing risks from deliberate releases and diversions of hazardous materials, P. Baybutt, Security Management, p. 152, November 2002.
Process Hazard Analysis
On the completeness of scenario identification in process hazard analysis (PHA), P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 55, pages 492-499, September 2018.
The validity of engineering judgment and expert opinion in hazard and risk analysis: The influence of cognitive biases. P. Baybutt, Process Safety Progress, Volume 37, pages 205-210, Issue 2, June 2018.
Simultaneous Operations (SIMOPS) Review: An important hazard analysis tool, P. Baybutt, Process Safety Progress, Volume 36, Issue 1, pages 62–66, March 2017.
Cognitive biases in process hazard analysis, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 43, pages 372-377, September, 2016.
Design intent for hazard and operability (HAZOP) studies, P. Baybutt, Process Safety Progress, Volume 35, Issue 1, pages 36–40, March 2016.
Process hazard analysis (PHA) team member roles that may be overlooked, P. Baybutt, Loss Prevention Bulletin, Issue 247, February 2016.
The treatment of domino rffects in PHA, P. Baybutt, Process Safety Progress, Volume 34, Issue 3, pages 220–227, September 2015.
The psychology of decision making in process hazard analysis, P. Baybutt, AIChE Spring Meeting & 11th Global Congress on Process Safety, Austin, TX, April 2015.
The importance of defining the purpose, scope, and objectives for process hazard analysis studies, P. Baybutt, Process Safety Progress, Volume 34, Issue 1, pages 84 - 88, March 2015.
Consider chemical reactivity in process hazard analysis, P. Baybutt, Chemical Engineering Progress, Vol. 111 (1), pages 25 - 31, January 2015.
Competency requirements for process hazard analysis (PHA) teams, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 33, pages 151-158, January 2015.
A critique of the hazard and operability (HAZOP) Study, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 33, pages 52-58, January 2015.
Requirements for improved process hazard analysis (PHA) methods, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 32, pages 182–191, November 2014.
Initiating events, levels of causality, and process hazard analysis, P. Baybutt, Process Safety Progress, Vol. 33, Issue 3, pages 217–220, September 2014.
Competence requirements for process hazard analysis (PHA) Teams, P. Baybutt, AIChE Spring Meeting & 10th Global Congress on Process Safety, New Orleans, LA, April 2014.
Requirements for improved PHA methods: Addressing weaknesses in HAZOP and other traditional PHA methods, P. Baybutt, AIChE Spring Meeting & 10th Global Congress on Process Safety, New Orleans, LA, April 2014.
The role of people and human factors in performing process hazard analysis and layers of protection analysis, P. Baybutt, J. of Loss Prevention in the Process Industries, Vol. 26, pages1352-1365, 2013.
Treatment of multiple failures in process hazard analysis, P. Baybutt, Process Safety Progress, Vol. 32, Issue 4, pages 361–364, December 2013.
Analytical Methods in Process Safety Management and System Safety Engineering – Process Hazards Analysis, in Handbook of Loss Prevention Engineering, P. Baybutt, Wiley-VCH, Weinheim, Germany, 2013.
On the validation of safeguards for process hazard analysis, P. Baybutt, Process Safety Progress, Volume 32, Issue 2, pages 165–169, June 2013.
Process hazards analysis (PHA), layers of protection analysis (LOPA), and the human factor, P. Baybutt, AIChE Spring Meeting & 9th Global Congress on Process Safety, San Antonio, TX, April 28 - May 1 2013.
What risk reduction measures should be credited in process hazard analysis?, P. Baybutt, Process Safety Progress, Vol. 31, No. 4, pages 359–362, December 2012.
Conducting process hazard analysis to facilitate layers of protection analysis, P. Baybutt, Process Safety Progress, Vol. 31, No. 3, pages 282–286, September 2012.
Process hazard analysis for phases of operation in the process life cycle, P. Baybutt, Process Safety Progress, Vol. 31, No. 3, pages 279–281, September 2012.
Prework and precompletion of worksheets for process hazard analysis, P. Baybutt, Process Safety Progress, Vol. 31, No. 3, pages 275–278, September 2012.
On the ability of process hazard analysis to identify accidents, P. Baybutt, Process Safety Progress, Vol. 22, Issue 3, pages 191–194, September 2003.
Major hazards analysis - An improved process hazard analysis method, P. Baybutt, Process Safety Progress, Vol. 22, No. 1, pages 21 - 26, March 2003.
Process Safety
Get creative with process safety management, P. Baybutt, Chemical and Engineering Progress, pages 56 - 60, Vol. 113, No. 4, April, 2017.
Process safety incidents, cognitive biases and critical thinking, P. Baybutt, Hydrocarbon Processing, Vol. 96, No. 4, pages 81 - 82, April 2017.
A framework for critical thinking in process safety management, P. Baybutt, Process Safety Progress, Volume 35, Issue 4, pages 337–340, December 2016.
Insights into process safety incidents from an analysis of CSB investigations, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 43, pages 537–548, September, 2016.
Process safety incidents: Big picture revelations, P. Baybutt, AIChE Spring Meeting & 12th Global Congress on Process Safety, Houston, TX, April 2016.
Process design - A missing process safety element, P. Baybutt, Process Safety Progress, Volume 35, Issue 1, page 115, March 2016.
The meaning and importance of process safety competency, P. Baybutt, Process Safety Progress, Volume 35, Issue 2, pages 171–175, June 2016.
Designing risk matrices to avoid risk ranking reversal errors, P. Baybutt, Process Safety Progress, Volume 35, Issue 1, pages 41–46, March 2016.
Calibration of risk matrices for process safety, P. Baybutt, Journal of Loss Prevention in the Process Industries, Vol. 38, pages 163-168, 2015.
Managing process risks, P. Baybutt, Process Safety Progress, Volume 34, Issue 2, page 106, June 2015.
Addressing issues in the design and use of risk matrices in process safety, P. Baybutt, AIChE Spring Meeting & 11th Global Congress on Process Safety, Austin, TX, April 2015.
Process safety management, P. Baybutt, Process Safety Progress, Volume 33, Issue 4, page 407, December 2014.
Terminology for process safety, security, and risk management, P. Baybutt, Process Safety Progress, Volume 33, Issue 4, pages 405–406, December 2014.
The ALARP Principle in Process Safety, P. Baybutt, Process Safety Progress, Vol. 33, Issue 1, Pages: 36–40, March 2014.
Risk Communication
Communicating Risk Step by Step, P. Baybutt, Hydrocarbon Processing, 68, pages 85 et seq., 1989.
Risk Matrices
Guidelines for designing risk matrices, P. Baybutt, Process Safety Progress, Volume 37, pages 49–55, Issue 1, March 2018.
Addressing subjectivity and uncertainty in using risk matrices, P. Baybutt, Loss Prevention Bulletin, Issue 252, pages 17 - 20, December, 2016.
Designing risk matrices to avoid risk ranking reversal errors, P. Baybutt, Process Safety Progress, Volume 35, Issue 1, pages 41–46, March 2016.
Calibration of risk matrices for process safety, P. Baybutt, Journal of Loss Prevention in the Process Industries, Vol. 38, pages 163-168, 2015.
Addressing issues in the design and use of risk matrices in process safety, P. Baybutt, AIChE Spring Meeting & 11th Global Congress on Process Safety, Austin, TX, April, 2015.
Risk Tolerance Criteria
Setting multinational risk tolerance criteria, P. Baybutt, Process Safety Progress, Volume 35, Issue 2, pages 153–158, June 2016.
Managing process risks, P. Baybutt, Process Safety Progress, Volume 34, Issue 2, page 106, June 2015.
Numerical risk tolerance criteria in the United States: a critique of the risk criterion used for the New Jersey Toxic Catastrophe Prevention Act, P. Baybutt, Journal of Loss Prevention in the Process Industries Volume 32, pages 428-435, November 2014.
Allocation of risk tolerance criteria, P. Baybutt, Process Safety Progress, Vol. 33, Issue 3, pages 227–230, September 2014.
The ALARP principle in process safety, P. Baybutt, Process Safety Progress, Vol. 33, Issue 1, Pages: 36–40, March 2014.
Risk tolerance criteria and the IEC 61511/ISA 84 standard on safety instrumented systems, P. Baybutt, Process Safety Progress, Vol. 32, Issue 3, pages 307–310, September 2013.
Issues in setting and using risk tolerance criteria, P. Baybutt, AIChE Spring Meeting & 9th Global Congress on Process Safety, San Antonio, TX, April 28 - May 1 2013.
Using risk tolerance criteria to determine safety integrity levels for safety instrumented functions, P. Baybutt, Journal of Loss Prevention in the Process Industries, 25 (6), pages 1000 - 1009, 2012.
Risk tolerance criteria for layers of protection analysis, P. Baybutt, Process Safety Progress, Vol. 31, No. 2, pages 118–121, June 2012.
Risk criteria, P. Baybutt, Process Safety Progress, Vol. 31, No. 4, pages 328–329, December 2012.
Safeguards
On the validation of safeguards for PHA, P. Baybutt, Process Safety Progress, Volume 32, Issue 2, pages 165–169, June 2013.
SIMOP
Process Safety Incidents Involving Simultaneous Operations, P. Baybutt, Hydrocarbon Processing, November, 2017.
Simultaneous Operations (SIMOPS) Review: An important hazard analysis tool, P. Baybutt, Process Safety Progress, Volume 36, Issue 1, pages 62–66, March 2017.
System-theoretic Hazard Analysis
On the need for system-theoretic hazard analysis in the process industries, P. Baybutt, Journal of Loss Prevention in the Process Industries, Volume 69, March 2021, 104356.
