Safety Definitions

The Definition of Carbon Monoxide Poisoning

Carbon monoxide poisoning occurs when a colorless, odorless gas produced by combustion interferes with the body's ability to transport oxygen.

Definition of Carbon Monoxide Poisoning

Carbon monoxide poisoning occurs when a worker inhales carbon monoxide, a colorless, odorless gas produced by the incomplete combustion of fuels such as gasoline, propane, natural gas, or wood. Once inhaled, carbon monoxide binds to hemoglobin far more readily than oxygen does, displacing oxygen in the bloodstream and starving the body's tissues and organs, including the brain and heart. Because carbon monoxide has no smell, color, or taste, workers can be exposed without any obvious warning sign, making it a particularly insidious hazard in enclosed or poorly ventilated spaces where combustion engines, generators, or fuel-burning equipment are in use.

Example of Carbon Monoxide Poisoning

Workers using gas-powered concrete saws inside a partially enclosed parking structure begin experiencing headaches and dizziness; a supervisor recognizes the symptoms as possible carbon monoxide exposure, evacuates the area, and confirms elevated carbon monoxide levels using a gas detector before allowing work to resume with improved ventilation.

Frequently Asked Questions: Carbon Monoxide Poisoning

What are the early symptoms of carbon monoxide poisoning?

Early symptoms often include headache, dizziness, weakness, nausea, and confusion, which can easily be mistaken for general fatigue or illness, making it especially important for workers to recognize the pattern of symptoms appearing among multiple people in the same area as a potential warning sign of carbon monoxide exposure.

Which types of workplace equipment commonly generate carbon monoxide hazards?

Common sources include gasoline or propane-powered generators, forklifts and other combustion-engine equipment used indoors, gas-powered concrete cutting saws, and any fuel-burning equipment operated in enclosed or poorly ventilated spaces without adequate exhaust ventilation.

How can carbon monoxide exposure be prevented in the workplace?

Prevention strategies include using battery-powered or electric equipment instead of combustion engines in enclosed spaces where feasible, ensuring adequate ventilation whenever fuel-burning equipment must be used indoors, and installing carbon monoxide detectors in areas where the hazard is a known risk.