Corporate

19 | 130-CDE-01-ISDO Top 10 Primary Causal Factors Validations were completed between September 30-October 10, 2025 Rank # Category Primary Root-Cause Workshop Average Workshop sd 1 Culture Cutting corners, unsafe practices 6.07 0.76 2 People Inadequate training for supervisors 5.83 0.80 3 People Rushing 5.79 0.73 4 People Inadequate training for workers 5.76 0.93 5 Culture KPIs prioritize production over safety 5.63 0.77 6 Environment Lack of storage leading to awkward lifting 5.61 0.77 7 Process Lack of SWPs for MSD prevention 5.56 0.78 8 Culture Historical mindset that MSDs are expected 5.54 0.97 9 Process Tasks are physically demanding 5.33 0.85 10 Measures Lack of MSD internal reporting 5.32 0.63 sd: Standard Deviation

• Slide Number 1
• Disclaimer
• Table of Contents
• RA RCA project overview
• Introduction
• Industry Selection
• An Engaging and Collective Process
• Risk Assessment Workshop
• WSPS Communications – Risk Assessment Results
• RCA workshop Results
• Risk Statement
• Participant List: Subject Matter Experts/Voting Participants
• Participant List: Non-Voting Support
• RCA Results
• Identified Primary Causal Factors
• Category Breakdown – 26 Primary Causal Factors
• Voting Process – Level of Importance
• Top 10 Primary Causal Factors
• Employer vs. Workshop Results
• Worker vs. Workshop Results
• Employer vs. Worker Results
• Top 10 Comparison
• Recommendations
• Top Workshop Recommendations
• Next steps – Rca workshop
• Next Steps
• Appendix A – Fishbone diagrams
• Primary Causal Factors
• Slide Number 30
• Slide Number 31
• Slide Number 32
• Slide Number 33
• Slide Number 34
• Slide Number 35
• Appendix B – Controls/Solutions for top primary causal factors
• 1. CULTURE – Cutting Corners, Unsafe Practices
• 1. CULTURE – Cutting Corners, Unsafe Practices (1)
• 1. CULTURE – Cutting Corners, Unsafe Practices (2)
• 1. CULTURE – Cutting Corners, Unsafe Practices (3)
• 1. CULTURE – Cutting Corners, Unsafe Practices (4)
• 2. PEOPLE – Inadequate Training for Supervisors
• 2. PEOPLE – Inadequate Training for Supervisors (1)
• 2. PEOPLE – Inadequate Training for Supervisors (2)
• 3. PEOPLE – Rushing
• 3. PEOPLE – Rushing (1)
• 3. PEOPLE – Rushing (2)
• 4. PEOPLE – Inadequate Training for Workers
• 4. PEOPLE – Inadequate Training for Workers (1)
• 4. PEOPLE – Inadequate Training for Workers (2)
• 5. CULTURE – KPIs Prioritize Production Over Safety
• 6. ENVIRONMENT – Lack of Storage, Leading to Awkward Lifting
• 6. ENVIRONMENT – Lack of Storage, Leading to Awkward Lifting (1)
• 7. PROCESS – Lack of SWPs for MSD Prevention
• 7. PROCESS – Lack of SWPs for MSD Prevention (1)
• 8. CULTURE – Historical Mindset that MSDs are Expected
• 8. CULTURE – Historical Mindset that MSDs are Expected (1)
• 8. CULTURE – Historical Mindset that MSDs are Expected (2)
• 8. CULTURE – Historical Mindset that MSDs are Expected (3)
• 9. PROCESS – Tasks are Physically Demanding
• 9. PROCESS – Tasks are Physically Demanding (1)
• 9. PROCESS – Tasks are Physically Demanding (2)
• 10. MEASURES – Lack of MSD Internal Reporting
• Appendix c – workshop contacts
• Workshop Contacts
• Slide Number 66