Papers in English
Automate tank overfill protection: Latest safety standards
SIS-Tech Article publishd in BIC Magazine September 2012. Written by Angela Summers and William Hearn, “Automate tank overfill protection: Latest safety standards”.
Working Under Pressure
(How do you manage pressure hazards?)
Presented at AIChE 8th Global Congress on Process Safety, and at Texas Chemistry Council 25th Annual Environmental, Health & Safety Seminar
Distributed Safety Instrumented Systems
Published as “Centralized or Distributed process safety” in InTech. November/December 2011
Don’t Fall for Safety System Myths
Published as “Kiss Off Safety System Myths” in Chemical Processing November 2011.
Mechanical Integrity for Instrumentation and Controls
Presented at CCPS Latin American Process Safety Conference and Expo, Poster Session, Buenos Aires, Argentina, August 8-10, 2011
Click here for pdf of MI Paper
Risk Criteria, Protection Layers, and Conditional Modifiers
Presented under the title of “The Interrelationship of Risk Criteria and Conditional Modifiers” at AIChE 2011 Spring Meeting, 7th Global Congress on Process Safety, March 13-16, 2011.
Presented at 3rd CCPS Latin American Process Safety Conference and Expo, Poster Session, Buenos Aires, Argentina, August 8-10, 2011
Presented at 2011 Mary Kay O’Connor Process Safety Center Symposium, College Station, TX. October 25-27, 2011.
Deep Frying Turkey Analysis
Right click THIS link and choose the “Save Link As” option to download this PowerPoint presentation. For those of you using Internet Explorer make sure that in the Save As dialog box you change the file extension to .pptx and not .zip that it wants to default to and then download.
Setting the Foundation for Long Term Sustainability, Safety, and Competitive Advantage
Presented at ISA Houston Section Luncheon, March 2011.
Consistent Consequence Severity Estimation
Presented at the 6th Global Congress on Process Safety, March 21-25, 2010, and Texas Chemistry Council/Association of Chemical Industry of Texas 2010 EHS Seminar, June 7-10.
Published in the Journal of Loss Prevention, Nov. 2011
Safety Instrumented Systems
Published in the 2009 Kirk Othmer Encyclopedia of Chemical Technology.

