Information maybe found at the Putnam County Bureau of Emergency Services website : http://www.pcbes.org/forms/files/Radio%20SOP%20January%202010.pdf. Apparatus numbering, dispatching, and radio use guidlines. Putnam County uses as four digit identifier for all aparatus FIRST TWO DIGITS identifies the department. 11 = Brewster Fire Department 12 = Carmel Fire Department 13 = Cold Spring Fire Department 14 = Continental Village Fire Department 15 = Garrison Fire Department 16 = Kent Fire Department 17 = Lake Carmel Fire Department 18 = Mahopac Fire Department 19 = Mahopac Falls Fire Department 21 = North Highlands Fire Department 22 = Patterson Fire Department Department 23 = Putnam Lake Fire Department 24 = Putnam Valley Fire Department 31 = Carmel Ambulance Corps 32 = Garrison Ambulance Corps 33 = Philipstown Ambulance Corps 34 = Putnam Valley Ambulance Corps 35 = Medic Units THIRD DIGIT identifies type of apparatus 1 =Chief Vehicle 2 = Engine 3 = Brush truck or mini pumper 4 = Tanker 5 = Aerial Device 6 = Rescue 7 = Ambulance 8 = Fire Police, utility, hose, etc. 9 = portable radio (some use to identify officers other than chief, i.e. captain) *Marine Units will be identified by department number- marine-1 I.E. 18-Marine-1 FORTH DIGIT identifies unit number within department for example 22-2-3 would be Patterson Fire (22)- Engine (2) - third engine in department (3) County Medics / BLS will be identified as: Medic 1 - Philipstown / Garrison Unit Medic 2 - Putnam Valley Unit / Continental Village Medic 3 - Carmel / Kent / Mahopac / Mahopac Falls Medic 4 –Brewster / Patterson / Lake Carmel BLS 4 - Brewster / Patterson / Lake Carmel