Carbon Monoxide Headquarters

Carbon Monoxide Sources:

CO is produced when:

carbonaceous materials are burned with insufficient oxygen. Its lethal effects have been known for centuries; in ancient Rome, "coal gas" was used for executions and suicides.

Man-made sources of CO include:

Natural sources of CO also exist but they contribute very little to the overall atmospheric CO level.

Geophysical -
Biological -

CO Sources, USA, 1990

Unvented CO Sources

Last changed 12/16/01

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