A&O: Alert and Oriented.
AC: alternate current
AC: Area Command
ACE: American Council on Education
ACLS: Advanced Cardiac Life Support
ADA: Americans with Disabilities Act
AED: Automated External Defibrillator
AFFF: Aqueos Film Forming Foam
AFGP: Assistance to Firefighters Grant Program
AFI: Arson and Fire Investigation
AHJ: Authority Having Jurisdiction
AIA: American Insurance Agency

ALS: Advanced Life Support
ALS: Advanced Life Supprt
AMA: against medical advice
AMR: Appropriate Management Response
ANSI: American National Standards Institute
ARFF: Aircraft Rescue Fire Fighting

ARFF: Airport Rescue Fire Fighting

BC: Battalion Chief
BGL: blood glucose level
BLEVE: Boiling Liquid Expanding Vapor Explosion
BLM: Bureau of Land Management

BLS: Basic Life Support
BP: Blood Pressure
BP: boiling point
BSI: Body substance isolation
Btu: British thermal unit
BVM: Bag Valve Mask
C-spine: cervical spine
CAD: Computer Aided Dispatch
Capt: Captain
CAS: Chemical Abstracts Service
CB: Citizens' Band
CC: chief complaint
CDC: Centers for Disease Control
CDF: California Department of Forestry
CE: Continuing Education
CERT: Community Emergency Response Team
CHAOS: Chief Has Arrived On Scene