fire safety in the laboratory troy carey. think it can’t happen to you?
TRANSCRIPT
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Fire Safety in the Laboratory
Troy Carey
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Think it Can’t Happen to You?
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Think Again!
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It’s an Attitude Problem
Most people just don’t think it can happen to them.
30,000 injuries caused by fire
8,000 fatalities caused by fire
$8 billion property damage
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Research Laboratories House A Combination of Hazards.
Flammable and reactive chemicals Complex electrically-energized apparatuses
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Fire Safety in the Lab includes: Fire Chemistry and Principles
Controlling Lab Fire Hazards
Fire Evacuation Procedures
Fire Extinguishers
Fire Control
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We All Know Basic Fire Chemistry.
Flash Point Ignition Temperature Limits of Flammability
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On an NFPA identification diamond, what does yellow represent?
1 2 3 4
25% 25%25%25%1. Fire2. Reactivity3. Special Hazard4. Health
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NFPA - Hazard Classification
Fire
Health
Reactivity
Special Hazards
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It’s Up to You to Control Laboratory Fire Hazards.
Identify hazards.
Control presence and use of ignition sources and flammable material.
Conduct routine inspections.
Minimize storage of flammable and combustible materials.
Prepare for emergencies.
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Use Caution when Handling Flammable Liquids.
Use exhaust ventilation (fume hoods).
Control ignition sources and heat.
Store and handle properly.
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Keep Flammable Liquids Isolated!
Flammable Liquid Safety Cabinets
Quantity Limitations Spill Containment Bonding Ventilation
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Store Chemicals Safely!
•Flammable Safety Cans
•Refrigerators
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Working with Oxidizers
Electron acceptors Gases
fluorine, chlorine, ozone, nitrous oxide Liquids
hydrogen peroxide, nitric acid, perchloric acid, bromine, sulfuric acid
Solidsnitrites, perchlorates, peroxides, chromates,
dichromates, picrates, permanganates, hypochlorites, bromates, iodates, chlorites, chlorates
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Special Hazards
Compressed Gases
Oxygen
Liquefied Nitrogen
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Fire Marshal Citations At ISU
Keep corridor doors closed.
Keep storage 18” below sprinkler heads.
Allow 3’ clearance around electric panels.
Eliminate extension cords & door wedges.
Maintain orderly and clean laboratory.
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Don’t Overload Outlets.
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Don’t Use Frayed Cords.
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Don’t Use Door Wedges.
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Keep Hallway Doors Closed!
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Keep Hallways Clear of Clutter.
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Do You Know What To Do?
Sound the alarm, alert fellow workers, call 911.
If trained, use the extinguisher.
Proceed to nearest exit.
Stay low, cover mouth with damp cloth.
Touch doors before opening.
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Which of these is not considered an A-type fire safety violation?
1 2 3 4
25% 25%25%25%1. Leaving hallway doors open.
2. Using wedges to prop doors open.
3. Failing to implement heat detection in the lab.
4. Failing to maintain an orderly, clean lab environment.
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Gilman Evacuation
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Gilman Evacuation
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How many exits are located on Floor 2 in Gilman Hall?
1 2 3 4
25% 25%25%25%1. 72. 83. 94. 10
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Which of these is an example of a Class B fire?
1 2 3 4
25% 25%25%25%1. A fire started from a benzene
spill.
2. A fire started from an overloaded electrical outlet.
3. A fire started in a pile of boxes in the corner of the lab.
4. A fire started in a pile of papers on a graduate assistant’s desk.
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Common Fire Classifications
Ordinary combustiblesPaper, wood, most
rubber, plastics and textiles
Flammable liquidsOil, gasoline, solvents
Energized circuitsElectrical equipment
and computers
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Common Types of Fire Extinguishers
Dry Chemical
Carbon Dioxide
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What are the correct steps to follow when using the PASS method to operate a fire extinguisher?
1 2 3 4
25% 25%25%25%1. Pick up, Aim, Sweep, Squeeze
2. Pull, Aim, Sweep, Squeeze
3. Panic, Aim, Squeeze, Sweep
4. Pull, Aim, Squeeze, Sweep
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Remember the PASS Word:
ull the pin
im low
queeze the lever
weep side-to-side
Keep your back to an exit, stand 6-8 ft from the fire, then:
P
A
S
S
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OK, the Fire’s Out….Now What? Watch the fire area:
If the fire re-ignites, repeat.
If you cannot control / confine the fire, LEAVE!
Ensure that the fire department inspects the site.
RECHARGE or replace any fire extinguishers that have been used.
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Don’t Forget!
Fire Chemistry and Principles
Controlling Lab Fire Hazards
Fire Evacuation Procedures
Fire Extinguishers
Fire Control