Aerosol
Algae
Air-conditioning
Antibodies
Bacteria
Biocide
Biofilm
Blow-down/bleed-off
Calorifier
Chlorine
Cold Water Service (CWS)
Cooling Tower
Concentration factor
Corrosion inhibitors
Dead end/blind end
Deadleg
Dip slide(s)
Disinfection
Distribution circuit
Domestic water services
Drift
Drift eliminator
Evaporative condenser
Evaporative cooling
Fill/Packing
Half –life
Hot water service (HWS)
Legionnaires’ disease
Legionellae
Legionella
L.pneumophila
Legionellosis
Make-up water
Micro-organism
Non-oxidising biocide
Nutrient
Oxidising biocide
Pasteurisation
Planktonic
Pontiac fever
Pound/Sump
Ppm
Retention time
Scale inhibitors
Sero-group
Sentinel taps
Sessile
Sludge
Shunt pump
Slime
Stagnation
Strainers
Thermal disinfection
Thermostatic mixing valve
Total viable counts (TVC)
Risk assessment
Windage