Aerial Apparatus
Driver Operator (1st Edition)
Commonly Used Abbreviations
| AFFF | Aqueous Film Forming Foam |
| FDC | Fire Department Connection |
| GPM | Gallons Per Minute |
| kPa | Kilopascal |
| LDH | Large Diameter Hose |
| MDH | Medium Diameter Hose |
| NFPA | National Fire Protection Association |
| PSI | Pounds per Square Inch |
| PTO | Power Take Off |
| PDP | Pump Discharge Pressure |
| SDH | Small Diameter Hose |
| SOP | Standard Operating Procedure |
| UL | Underwriter's Laboratories, Inc. |