Environmental

Carbon monoxide (CO) is a hazardous gas associated with:

AOlder lead paint deteriorating
BIncomplete combustion from furnaces, fireplaces, and gas appliances✓ Correct
CGroundwater contamination
DAsbestos fiber release

Explanation

Carbon monoxide is a colorless, odorless gas produced by the incomplete combustion of carbon-containing fuels (gas, oil, wood, coal). Sources in homes include furnaces, fireplaces, gas appliances, and attached garages. Oregon requires CO detectors in residential dwellings.

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