OSHA Clarifies the Flammable Atmospheric Storage Tank PSM Exemption and why they seek to change it
The existing PSM standard applies in part to processes involving a flammable liquid or gas on site in one location in a quantity of 10,000 pounds or more. However, the existing PSM standard contains an exemption for “[f]lammable liquids stored in atmospheric tanks or transferred which are kept below their normal boiling point without benefit […]
