Glossary cont'd - doe-hdbk-1101-20040011

DOE-HDBK-1101-2004

Employee

Under 29 CFR 1910.119, an hourly, salaried, or contract individual who works at a facility

and comes in direct contact with a covered process [Q36].

Event

An occurrence involving process, equipment, or human performance either internal or

external to a system that causes system upset. In terms of accidents, an event is either a cause

or contributing cause of a near miss or accident, or a response to the accident-initiating event.

Facility

The buildings, containers, or equipment that contain a chemical process.

Flammable Gas

A gas that at ambient temperature and pressure forms a flammable mixture with air at a

concentration of 13% by volume or less, or a gas that at ambient temperature and pressure

forms a range of flammable mixtures with air wider than 12% by volume, regardless of the

lower limit.

Flammable Liquid

A liquid with a flash point below 37.8 oC (100 oF), except mixtures where such liquids

account for 1% or less of the total volume.

Hazard

A chemical property, energy source, or physical condition that has the potential to cause

illness, injury, or death to personnel, or damage to property or to the environment, without

regard for the likelihood or credibility of potential accidents or the mitigation of

consequences.

Highly Hazardous Chemical (HHC)

Toxic, reactive, flammable, or explosive substances, such as those identified in the PSM Rule.

Hot Work

Work involving electric or gas welding, cutting, brazing, grinding, or similar flame- or spark-

producing operations capable of igniting flammable vapors or gases.

Management Systems

Arrangements for guiding and controlling the work of complex organizations.

Near Miss

An event that did not result in an accidental release of a highly hazardous chemical, but which

could have, given another "failure." Near misses, sometimes called "precursors," include: