role of hazard analysis in academic research
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Role of Hazard Analysis in Academic Research. Anna Sitek Research Safety Specialist. Goal: Conservation of Life. Look for similarities Do you work with reactive materials? Do you visit labs where reactive materials are stored? Relate lessons to your work Hazard Analysis process. - PowerPoint PPT PresentationTRANSCRIPT
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Role of Hazard Analysis in Academic Research
Anna Sitek
Research Safety Specialist
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Goal: Conservation of Life
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Look for similarities Do you work with reactive materials? Do you visit labs where reactive materials are stored?
Relate lessons to your work Hazard Analysis process
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CEMS special safety seminar Incidents in academia
UMN Case Study Review what happened Identify how the incident could have been
prevented Apply Lessons Learned
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Incidents in Academia
UCLA Texas Tech Dartmouth Yale
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Incidents in Academia
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Dartmouth 1997 Toxic heavy metal Inappropriate glove Death
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Incidents in Academia
UCLA 2009 Pyrophoric,
flammable Poor technique, no
ppe, improper response
Death lawsuit
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Incidents in Academia
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Texas Tech 2010 Explosive Scale, technique Injury, damage to
lab
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Incidents in Academia
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Yale 2011 Machine Work alone, E-stop
not accessible Death
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Incidents in Academia
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UMN 2014 Explosive Scale, technique Injury, damage to lab
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Incidents in Academia
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Yale 2011 Machine Loose hair, E-stop
not accessible death
Dartmouth UCLA TX Tech Yale UMN
Hazard Toxic Pyrophoric Explosive High speed parts
Explosive
Error Hazard Analysis
PPE
Hazard Analysis
Technique
PPE
Hazard Analysis
Scale
Technique
Hazard Analysis
Equipment
Work alone
Hazard Analysis
Scale
Technique
PPE
Result Death DeathInjury, Damage to lab
DeathInjury, Damage to lab
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UMN Case Study
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UMN Case Study
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Likely causes (official cause unknown):
1. NaN3 + PEG 300 (moisture?) to yield hydrazoic acid
2. Overheating of NaN3colorless, volatile, toxic
and explosive liquid
Contributing factors:Moisture, contaminants in the reagents, stirring, scale
Explosive decomposition:
2 H2 + 3N2HN3
What Happened? – Direct Cause
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What Happened? – Root Cause
Flawed Hazard Analysis:
Scale overwhelmed available controls Unequal mixing indication of safety issue Purity and choice of reagents
used new but not purified solvent substitution not vetted on large scale
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What Happened? – Hazard Analysis
Risk of Hazard = severity x probability
Severity (scale, inherent properties material) Probability (experiment conditions)
Reaction conditions (T, P, atmosphere, light, solubility, purity of solvents and reagents, mixing, incompatibilities)
Operator conditions ( experience, attention, current health etc)
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Identify how the incident could have been prevented Hazard Analysis Hazard Communication Safety Culture
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Hazard Analysis- When, How?Scientific Method1. Theory
2. Prediction
3. Experiment
4. Observation
Plan Experiment
1. Propose Conditions
2. Identify Hazards
3. Hazard Analysis4. Select Controls
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Evaluate Hazards1. Limits- Can I?
2. Best Practices- How do others?
3. Prepare for problems- What if?
1. Communicate Hazards
2. Standardize Process
3. Check plan and implementation
Document Safety Information
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Limits ex. DOW SOC
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Hazard Evaluation Resources
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Hazard Analysis- When, How?Scientific Method1. Theory
2. Prediction
3. Experiment
4. Observation
Plan Experiment
1. Propose Conditions
2. Identify Hazards
3. Hazard Analysis
4. Select Controls
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Evaluate Hazards1. Limits- Can I?
2. Best Practices- How do others?
3. Prepare for problems- What if?
1. Communicate Hazards
2. Standardize Process
3. Check plan and implementation
Document Safety Information
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Controls reflect Hazard Analysis
Hierarchy of Controls Elimination: Remove the hazard
Eliminate the procedure Change your setup
Substitution: Replace the hazard Use a non-hazardous or less hazardous reagent Use a milder route or process
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Controls reflect Hazard Analysis
Engineering: Change the process or equipment to reduce the hazard Fume hood Blast shield Steel vessel
Warning: Post signs warning of the danger Sign in your area with details and contact information External sign (room door, fridge door)
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Controls reflect Hazard Analysis
Administrative: Establish policies to reduce risk or limit exposure Draft Standard Operating Procedures (SOPs) to detail
correct procedures
Personal Protective Equipment: Last line of defense (“seatbelt”) safety goggles/glasses lab coat gloves
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Hazard Analysis- When, How?Scientific Method1. Theory
2. Prediction
3. Experiment
4. Observation
Plan Experiment
1. Propose Conditions
2. Identify Hazards
3. Hazard Analysis
4. Select Controls
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Evaluate Hazards1. Limits- Can I?
2. Best Practices- How do others?
3. Prepare for problems- What if?
1. Communicate Hazards
2. Standardize Process
3. Check plan and implementation
Document Safety Information
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Communicate Hazards- Safe Operation Cards
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Standardize Process
Review Standard Operating Procedures
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Apply Lessons Learned
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Hazard Analysis Limits synthesis Add physical hazards Training
Hazard Communication Warning relevant journals & organizations Policy on group meetings SOPs SOCs
Safety Culture Spread Awareness
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How can you apply lessons?
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• PIs, Managers, Committees– set upper limits– Train on factors affecting probability & severity
• Experiment Planners– Design around primary reaction vessel– Discuss warning signs with researchers
• Experiment Performers– Follow group policies– Communicate with others, signage – Be Mindful
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Life-Long Learning
Always search for new/more resources Literature updates New safety standards, literature and equipment New materials and techniques
Never assume you know all the answers Avoid being “overly comfortable” “That will never happen to me”
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Communicate and Ask Questions Good Resources:
Advisor/PI Faculty Postdocs, lab techs, graduate students Safety professionals
Research Safety Officer DEHS
Don’t be satisfied with an unsafe method or conditions!
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Apply Lessons Learned
What is CEMS doing? Safety committee JST Share resources? Seminar Questions, Suggestions?
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Thank you!Anna Sitek
Research Safety Specialist
(612) 625-8925
Investigation contributors:
CHEM Safety Committee: Bill Tolman, Chuck Tomlinson, Ian Tonks, Valerie Pierre
DEHS: Jodi Ogilvie, Joe Klancher, Mike Austin
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Questions
How did you hear about the incident? What was your initial reaction? Suggestions for identifying limits? How many people think SOCs are a good
idea? Going to review your group policies?
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