Compliant Combustible Chemical Storage

compliant combustible chemical storage

Compliant combustible chemical storage building by US Chemical Storage.

Flammable and combustible liquids give off vapors that can ignite easily and burn rapidly, therefore  strict storage requirements are necessary. Read below to learn more about flammable and combustible classifications and compliant combustible chemical storage techniques.

OSHA Classifications – Compliant Combustible Chemical Storage

Combustible liquid classifications: Liquids having a flash point at or above 100°F (37.8°C). Classes are subdivided below:

Class II: Liquids having flashpoints at or above 100°F (37.8°C) and below 140°F (60°C).
Class IIIA: Liquids having flashpoints at or above 140°F (60°C) and below 200°F (93.4°C).
Class IIIB: Liquids having flash points at or above 200°F (93.4°C).

The Facts – Flammable and Combustible Liquids

  • Flammability is determined by the flash point of a chemical substance.
  • Flash point is considered the lowest temperature at which a liquid forms a vapor to form an ignitable mixture.
  • The flash point refers to flammable and combustible liquids.
  • Flammable liquids have a flash point of less than 100°F, where combustible liquids have a flashpoint at or above 100°F.
  • Flammable and combustible liquids, themselves, do not burn, the mixture of vapor and air is what burns.
  • Vaporization rates increase as temperatures increase.

Compliant Combustible Chemical Storage Requirements

  • Segregate incompatible materials while storing, transferring or mixing.
  • Prepare for emergency situations with compliant ventilation and fire suppression systems.
  • Organize combustible storage on racks and/or shelves to ensure substances are safe to handle.
  • Label all chemical containers that are stored inside compliant combustible chemical storage buildings.
  • Label the outside of combustible chemical storage buildings to illustrate the chemicals being stored with the provided DOT placard and NFPA 704 symbol.
  • Do not store combustible chemicals above eye level.
  • Use fume hoods while transferring substances to eliminate dust, fumes or chemical particles.
  • Containers must be completely sealed.
  • Utilize proper bonding and grounding cables when transferring flammable or combustible liquids.
  • Where appropriate personal protective equipment (PPE) when transferring flammables or combustibles.

Are you prepared for storing combustible chemicals? To learn more, contact us online or call 888-294-2729 to get a free quote on a fire-rated or non-fire rated chemical storage building.

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