Chapter 1
Specifications and General Precautionary Safety Measures
Edition 1 – December 2019
SAFETY FIRS T
7
MSA G1 Classic Breathing Apparatus
Chapter 1
Specifications and General
Precautionary Safety Measures
This chapter contains information about:
terminology;
general description and specifications of the G1 C; and
precautionary safety measures.
Terminology
A wide range of terms refer to compressed air breathing apparatus used in irrespirable
atmospheres. Some of the terms include:
self-contained compressed air breathing apparatus (SCBA);
compressed air breathing apparatus (CABA); or
breathing apparatus (BA).
This manual uses the term breathing apparatus (BA).
BA Control/Entry
MFB use the term BA Entry. BA Entry is the term given to the entry point to the
fireground. All personnel going past this point into the incident must wear BA. The BA
Entry Officer is stationed at this point, and this is where BA tally tags are deposited and
collected.
The BA Control Officer is in charge of the overall control of the BA operations.
