Mine Rescue and Gas Detection

Flashcards for mine rescue operation glossary and gas detection principles.

Backup team

The rescue team stationed at the fresh air base as a "backup" for the working team beyond the fresh air base.

Bench area

An area where apparatus is cleaned, tested, and prepared for use.

Chain-of-command

Order of authority and division of responsibilities among personnel.

Command center

Headquarters for the rescue and recovery operation.

Fresh air base

Base of operations from which the rescue and recovery teams can advance into irrespirable atmospheres.

Notification plan

Plan for notifying necessary personnel when there is an emergency at the mine.

Rotation schedule

Schedule that establishes a clear order of team usage during a rescue and recovery operation.

Standby team

Team scheduled to be on the surface in ready reserve when rescue teams are working underground.

Triage

System of assigning priorities of medical treatment to injured persons.

contracting

When barometric pressure rises, gas responds by .

expand

High temperatures cause gases to .

Specific gravity

The weight of a gas compared to an equal volume of normal air under the same temperature and pressure is called .

bottom

Sulfur dioxide will collect in greater concentrations near the of a mine.

stratify

Gases issuing into still air without mixing tend to according to the gas's specific gravity.

gas

A substance with neither a definite shape nor volume is a .

expand

An increase in temperature causes a gas to .

carbon monoxide (CO)

The portable gas detectors include such devices as detectors.

syringes, evacuated bottles or gas or liquid displacement containers

Another way to test for gases is to collect air samples in special and then sent to a laboratory for chemical analysis.

four

MSHA requires mine rescue stations serving underground M/NM mines to have gas detectors appropriate for each gas which may be encountered at the mines served.