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FLAMMABLE AND COMBUSTIBLE LIQUIDS

FLAMMABLE AND COMBUSTIBLE LIQUIDS. LEL AND UEL (Same as LFL and UFL ) FLASH POINT VAPOR PRESSURE SPECIFIC GRAVITY VAPOR DENSITY. CLASSES OF LIQUIDS. FLAMMABLE COMBUSTIBLE. FLAMMABLE LIQUIDS. Definitions under OSHA 1910 Standards What about 1926 standards??

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FLAMMABLE AND COMBUSTIBLE LIQUIDS

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  1. FLAMMABLE AND COMBUSTIBLE LIQUIDS • LEL AND UEL (Same as LFL and UFL) • FLASH POINT • VAPOR PRESSURE • SPECIFIC GRAVITY • VAPOR DENSITY

  2. CLASSES OF LIQUIDS • FLAMMABLE • COMBUSTIBLE

  3. FLAMMABLE LIQUIDS • Definitions under OSHA 1910 Standards • What about 1926 standards?? • FLASH POINT BELOW 100 DEGREES F • CLASSES • IA - FP BELOW 73 DEGREES BOILING POINT BELOW 100 DEGREES • IB - FP BELOW 73 DEGREES BOILING POINT AT OR ABOVE 100 DEGREES • IC - FP AT OR ABOVE 73 DEGREES AND BELOW 100 DEGREES

  4. COMBUSTIBLE LIQUIDS • FLASH POINT AT OR ABOVE 100 DEGREES F • CLASSES • II - FP AT OR ABOVE 100 DEGREES AND BELOW 140 DEGREES • IIIA - FP AT OR ABOVE 140 DEGREES AND BELOW 200 DEGREES • IIIB - FP AT OR ABOVE 200 DEGREES

  5. Applying the OSHA Standards • What type of facility is it? • What types of liquids fall under 1910.106? • If it is an industrial facility, is the handling of flammable and combustible liquids a major requirement of the business process or is it incidental use? • If incidental use, then follow 1910.106(e) Industrial Facilities

  6. Storage cabinets • 1910.106 (d)(3) • Design, construction, and capacity of storage cabinets • Specific requirements on design and construction. • Must withstand a 10 minute fire test. • No more than 60 gallons of Class I & II liquids should be stored in a cabinet and a maximum of 120 Gallons of Class III.

  7. Inside Storage Rooms • Design requirements for inside storage rooms: • OSHA Standards • 1910.106(d)(4) • "Design and construction of inside storage rooms"

  8. Inside Storage Rooms • Be sure to address in your case study: • Room construction (ratings, doors, etc) • Electrical Wiring • Ventilation • Clear aisles • This list may not be all inclusive (read the standards)

  9. Point of Use Procedures • If handling occurs in an industrial facility, follow requirements under 1910.106(e)(6) • Why is grounding and bonding required? • For example, what classes of liquids? • What impact does using a plastic safety can have on this? • Are plastic safety cans acceptable for use in the workplace by OSHA?

  10. Aboveground Storage Tanks • 1910.106(b)(2) addresses aboveground tanks • Topics include tank design and construction, spill containment, dikes, venting, etc.

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