Flammable and Combustible Liquids Flammable liquids v Class

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Flammable and Combustible Liquids

Flammable and Combustible Liquids

Flammable liquids v Class I - liquids have flashpoints below 100 degrees F, with

Flammable liquids v Class I - liquids have flashpoints below 100 degrees F, with vapor pressures not exceeding 40 psia v Class IA - liquids having flashpoints below 73 degrees F and boiling points below 100 degrees F 1 a

Flammable liquids v Class IB - liquids having flashpoints below 73 degrees F and

Flammable liquids v Class IB - liquids having flashpoints below 73 degrees F and boiling points at or above 100 degrees F v Class IC - liquids having flashpoints at or above 73 degrees F and below 100 degrees F 1 b

Flammable liquids v Flammable liquids give off ignitable vapors 1 c

Flammable liquids v Flammable liquids give off ignitable vapors 1 c

Combustible liquids v Class II liquids have flashpoints at or above 100 degrees F

Combustible liquids v Class II liquids have flashpoints at or above 100 degrees F and below 140 degrees F 1 d

Combustible liquids v Class III liquids have flashpoints at or above 140 degrees F

Combustible liquids v Class III liquids have flashpoints at or above 140 degrees F • Class IIIA liquids have flashpoints at or above 140 degrees F and below 200 degrees F • Class IIIB liquids have flashpoints at or above 200 degrees F 1 e

Handling and storage procedures v Two forms of storage: • Reserve storage in drums

Handling and storage procedures v Two forms of storage: • Reserve storage in drums • Operational storage in small quantities at work stations v Connect system drums to a grounding 2 a

Handling and storage procedures v Liquids can be dispensed by two methods: • Gravity

Handling and storage procedures v Liquids can be dispensed by two methods: • Gravity flow • Pump methods 2 b

Handling and storage procedures v Areas where flammable liquids are transferred from one container

Handling and storage procedures v Areas where flammable liquids are transferred from one container to another must: • be protected from ignition sources • have drainage or other methods to control spills • have natural or mechanical ventilation 2 c

Handling and storage procedures v Store flammable liquids in approved safety cans 2 d

Handling and storage procedures v Store flammable liquids in approved safety cans 2 d

Handling and storage procedures v Flammable liquids used at workstations must not exceed the

Handling and storage procedures v Flammable liquids used at workstations must not exceed the sum of: • 25 gallons of Class IA liquids in containers • 120 gallons of Classes IB, IC, II, or III liquids in containers • 660 gallons of Class IB, IC, Class II, or Class IIIA liquids in a single portable tank 2 e

Handling and storage procedures v Use specially designed waste cans for the disposal of

Handling and storage procedures v Use specially designed waste cans for the disposal of waste v Remember that it is the vapors, not the liquid that burns v Use specially developed absorbent materials for spill cleanup 2 f

Flood emergencies If flammable liquids are stored in tanks, review and understand the location

Flood emergencies If flammable liquids are stored in tanks, review and understand the location and contents of flood emergency instructions v Emergency action plans 3 a

Flood emergencies and storage tanks v Categories of storage tanks • Above ground •

Flood emergencies and storage tanks v Categories of storage tanks • Above ground • Underground • Tanks inside of buildings 3 b

Flood emergencies and storage tanks v Types of storage tanks • Atmospheric • Low-pressure

Flood emergencies and storage tanks v Types of storage tanks • Atmospheric • Low-pressure • Pressure vessels 3 c

Flood emergencies and storage tanks v Keep debris and vegetation away from the tank

Flood emergencies and storage tanks v Keep debris and vegetation away from the tank area v Situate tanks in areas where highlevel water will not occur v Anchor horizontal tanks if more than 70 percent of the tank’s capacity will be submerged 3 d