Flammable Liquids and Fire Codes for Laboratories

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Flammable Liquids and Fire Codes for Laboratories
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Properties of Flammable LiquidsInvisible Vapor
is the Main Concern!
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Properties of Flammable LiquidsDefinitions
FLASH POINTThe temperature at which a liquid
gives off sufficient vapors to form an ignitable
mixture with airnear the surface of the liquid.
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Properties of Flammable LiquidsDefinitions
Ignition TemperatureThe minimum temperature
required to initiate or cause self-sustained
combustion without ignition from an external
source. Also called auto-ignition temp.
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Properties of Flammable LiquidsDefinitions
Upper and Lower Explosive LimitsThe range of
concentration of a flammable gas or vapor
( volume in air) in which a explosion can
occur upon ignition in a confined area.
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The Phenomenon of Fire
Energy Source
Fuel
Chain Reaction
Oxygen or Oxidizer
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• Fire Codes
• Who Regulates Flammables?
• State Fire Marshal (NFPA, OBBC, and Ohio Fire
  Code)
• OSHA (Occupational Safety)
• DOT (Transportation)
• EPA (Flammable Waste)

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• Fire Codes-NFPA
• Flammable liquids have a flash-point of less than
  100F
• Combustible liquids have a flash-point of 100F
  or greater

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Fire Codes-NFPA Flammable Liquid
Classification Class IA- FPlt73F, BPlt100F Class
IB- FPlt73F, BPgt100F Class IC- 73F
gtFPlt100F Class II- 100F gtFPlt140F Class IIIA-
140F gtFPlt200F Class IIIB- FP gt 200F
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• Fire Codes-NFPA
• Flammable Liquid Classification
• Common Class IA Solvents
• Acetaldehyde
• Ethyl Ether
• Ethylene Oxide
• Pentane

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Fire Codes-NFPA Flammable Liquid
Classification Common Class IB Solvents
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Fire Codes-NFPA Flammable Liquid
Storage Hazardous chemicals stored in the open
shall be kept to the minimum necessary for the
work being done.
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Fire Codes-NFPA Flammable Liquid Storage -Safety
Cabinets
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA-Flammable Liquid Storage
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Fire Codes-NFPA-Flammable Liquid Storage
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Fire Codes-NFPA-Flammable Liquid Storage
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA-Flammable Liquid Storage
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA Flammable Liquid Storage
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Fire Codes-NFPA-Flammable Liquid Storage
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Bonding And Grounding
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Flammable Liquid Storage in Refrigerators
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Accidents Involving Flammable Liquids
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Flammable Liquid Transport