Ed Marszal was invited to present his paper entitled “Shared Field Instruments in SIS: Incidents Caused by Poor Design and Recommendations for Improvement” at the 67th Annual Instrumentation Symposium for the Process Industries. The Symposium will be held January 24-26, 2012 in College Station, Texas. Ed’s presentation is scheduled for Tuesday, January 24, 2012 at 3:40PM.