Confined Spaces 24 Appendix A - Definitions Acceptable Entry Conditions The conditions necessary in a confined space to allow safe entry. Minimum conditions for entry are contained on the entry permit. Asphyxiation Suffocation (lack of oxygen) caused by a class of dangerous gases that replace oxygen and result in unconsciousness or death. Attendant An individual, stationed outside of a permit space, who monitors the Authorized Entrants, and who performs all duties assigned to the Attendant by the employer’s permit program. Authorized Entrant Trained employee authorized by the employer to enter a confined space and perform work. Carbon Monoxide A colorless, odorless and tasteless gas that is a chemical asphyxiant. Carbon monoxide is formed as an end product of combustion. Confined Space A space which is • large enough and so configured for an employee to bodily enter and perform work • limited or restricted means for entry and exit • not designed for continuous worker occupancy Engulfment The surrounding or capture of a worker by a liquid or finely divided solid that can be inhaled to plug the respiratory system or cause death by strangulation, constriction or crushing. Entrapment The trapping of a worker by inwardly converging walls or by a floor that slopes downward and tapers to a smaller cross section. Entry The action by which a person passes through an opening into confined space. Entry is said to have occurred as soon as any part of the body crosses the plane of the opening. Entry Permit An authorization and approval in writing that specifies the location of the confined space and the type of work to be done. It also certifies that all existing hazards have been evaluated by a qualified person and the necessary protective measures have been taken. Entry Supervisor The personnel member assigned by the employer to supervise permit space entries. Responsible for