A professional who releases poisonous gas and sets traps in buildings to kill dry-wood termites, beetles, vermin, and other pests, using cylinders of compressed gas and mechanical traps. Respnsibilities include:

• Inspects infested building to identify pests causing damage and to determine treatment necessary.
• Examines porosity of walls and roof, based on knowledge of construction techniques, to determine method of sealing house.
• Measures inside dimensions of rooms with rule, and calculates volume of fumigant required and cost to owner.
• Tapes vents.
• Climbs ladder, pulls tarpaulins over building, and fastens edges of tarpaulins with clamps to make building airtight.
• Posts warning signs and padlocks doors.
• Turns valve on cylinder to discharge gas into building through hose.
• Holds halide lamp near seams of tarpaulins and building vents to detect leaking fumigant.
• Sprays or dusts chemicals in rooms or work areas and sets mechanical traps to destroy pests.
• May fumigate clothing and house furnishing in vaults at business establishment.