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Flammable and Combustible Liquids

Responsibilities - BU Management is responsible for controlling sources of fuel and ignition as well as establishing housekeeping standards for their areas.

1. Major Workplace Fire Hazards
See “Fire Plan Map” for identification of potential fire risk of the various buildings on site. Additionally, the 300 Tank Farm is covered by OSHA’s Process Safety Management (PSM) regulation because they have large quantities of flammable liquids. This area has a separate emergency plan to control these hazards. This plan is available for review upon request.  Emergency response actions for the employees of the 300 complex during a fire alarm at the 300 tank farm can be reviewed on the HSSE website within the Naperville Gas Release section.

2. Fire Prevention A fire or explosion occurs only when fuel (flammable material), oxygen (oxidizers),and heat (ignition source) are present. This is called the fire triangle. Remove any one of the above, the triangle will be broken and a fire is not possible.  To help prevent fires:

Limit Fuel - Always keep the amount of flammable material stored in a laboratory or process area at a workable minimum. The smaller the amount of fuel, the smaller the fire will be in the event of an accident. Separate flammables as much as possible to avoid a chain reaction in case of a fire.
Limit Oxygen - Experience has shown that ignition sources or mechanisms are so numerous that fire or explosion prevention must not depend on these safeguards alone. Air or oxygen must be expelled from vessels when there is a chance that flammable mixtures are possible.

Purging with nitrogen is the most common way of removing air or oxygen before the flammable material is introduced and during any subsequent operation if air or oxygen inflow or concentration is possible.

Eliminate Apparent Sources of Ignition - Open flames, cigarettes, and hot plates are obvious sources of ignition, whereas the electric spark is less obvious. Electric sparks of sufficient energy to cause ignition occur in open motors, switches, relays, battery operated devices, and other non-intrinsically safe electrical equipment. Such equipment is not to be operated where flammable vapors may be present. Static charges generated during the pouring or pumping operations are also real sources of ignition and must be dissipated through bonding and grounding to prevent static electric sparks.
Smoking is expressly prohibited inside any building and only permitted in designated outdoor areas supplied with approved disposal cans.  See the Smoking Policy for further details.



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