Essentials of
Firefighting (4th Edition)
Commonly Used Abbreviations
| AFFF | Aqueous Film-Forming Foam |
| ALI | Automatic Location Identification |
| ALS | Advanced Life Support |
| ANI | Automatic (phone) Number Identification |
| APW | Air-Pressurized Water (extinguisher) |
| ARFF | Aircraft Rescue & Fire Fighting |
| AVL | Automatic Vehicle Locator |
| BLS | Basic Life Support |
| CAD | Computer-Aided Dispatch |
| CB | Citizens Band |
| CIS | Critical Incident Stress |
| CISD | Critical Incident Stress Debriefing |
| CP | Command Post |
| DOT | Department of Transportation |
| E 9-1-1 | Enhanced 911 |
| EAP | Employee's Assistance Program |
| EMS | Emergency Medical System |
| EMT | Emergency Medical Technician |
| FCC | Federal Communcations Commission |
| FDC | Fire Department Connection |
| HVAC | Heating, Ventilation, & Air Conditioning |
| IAP | Incident Action Plan |
| IC | Incident Command(er) |
| IMS | Incident Management System |
| NBC | Nuclear, Biological, and Chemical |
| NFPA | National Fire Protection Association |
| OATH | OK, Advance, Take up, HELP |
| OS&Y | Outside Screw & Yoke |
| PAD | Personal Alert Device |
| PASS | Personal Alert Safety System |
| PCBs | Polychlorinated Biphenyls |
| PIV | Post Indicator Valve |
| PIVA | Post Indicator Valve Assembly |
| SCBA | Self-Contained Breathing Apparatus |
| SCUBA | Self-Contained Underwater Breathing Apparatus |
| SOP | Standard Operating Procedure |
| TDD/TTY | Telecommuncations Device for the Deaf / Teletype Text Phone |
| UL | Underwriter's Laboratories |
| ULC | Underwriter's Laboratories (Canada) |
| WPIV | Wall Post Indicator Valve |