1A 1ST Alarm - Fire 1st Alarm Fire (residential, commercial, tunnel). Initial/lowest response. 2A 2ND Alarm - Fire 2nd Alarm Fire (residential, commercial, tunnel) 3A 3RD Alarm - Fire 3rd Alarm Fire (residential, commercial, tunnel) 4A 4TH Alarm - Fire 4th Alarm Fire (residential, commercial, tunnel) 5A 5TH Alarm - Fire 5th Alarm Fire (residential, commercial, tunnel, garage/auxiliary building). Highest response level F0 Fire Emergency: Immediate threat Immediate threat to life safety. F1 Fire Emergency: Potential threat Potential to become a threat to life safety. F2 Fire Emergency: Occuring/just occurred Incidents actively occurring or that has just occurred with no immediate threat to life. F3 Fire Non-Emergency: No threat No threat to life safety. F4 Fire Notifications All notification only calls types. F5 Fire Admin Mark Outs All administrative mark outs. Q0 E-0 Quick Response Service - EMS ALS life threatening response w/ backupEMS ALS life threatening response w/ backup Q1 E-1 Quick Response Service - EMS ALS life threatening responseEMS ALS life threatening response Q2 E-2 Quick Response Service - EMS Standard ALS responseEMS Standard ALS response Q3 E-3 Quick Response Service - EMS Standard BLS responseEMS Standard BLS response Q4 E-4 Quick Response Service - EMS BLS Assistance responseEMS BLS Assistance response E0EMS ALS life threatening response w/ backupEMS Advanced Life Support life threatening response with Advanced Life Support backup E1EMS ALS life threatening responseEMS Advanced Life Support life threatening response E2EMS Standard ALS responseEMS Standard Advanced Life Support response E3EMS Standard BLS responseEMS Standard Basic Life Support response E4EMS BLS Assistance responseEMS Basic Life Support Assistance response (i.e. lift assist) E5EMS Admin Mark out All administrative mark outs 1C 1ST Alarm - Fire - Commercial 1st Alarm Fire (commercial). Initial/lowest response. 2C 2ND Alarm - Fire - Commercial 2nd Alarm Fire (commercial) 3C 3RD Alarm - Fire - Commercial 3rd Alarm Fire (commercial) 4C 4TH Alarm - Fire - Commercial 4th Alarm Fire (commercial) 5C 5TH Alarm - Fire - Commercial 5th Alarm Fire (commercial) 6A 6th Alarm - Fire - Commercial 6th Alarm Fire (commercial) 7A 7th Alarm - Fire - Commercial 7th Alarm Fire (commercial). Highest response level HRHi-Rise FireHigh-rise plan: 1 alarm fire that automatically goes to 3 alarms for very tall buildings P1Police response 1Police reponse; likely not dispatched as EMS/Fire, just recorded in CAD system P2Police response 2Police reponse; likely not dispatched as EMS/Fire, just recorded in CAD system P3Police response 3Police reponse; likely not dispatched as EMS/Fire, just recorded in CAD system M1EMS Mass Casualty Plan - Level 1EMS Mass Casualty Plan - Level 1 (lowest) M2EMS Mass Casualty Plan - Level 2EMS Mass Casualty Plan - Level 2 M3EMS Mass Casualty Plan - Level 3EMS Mass Casualty Plan - Level 3 M4EMS Mass Casualty Plan - Level 4EMS Mass Casualty Plan - Level 4 (highest response, most ambulances)