"Toxic gases" refers to harmful gases that can be dangerous or poisonous to humans, animals, and the environment. These gases can cause serious health problems and can be deadly if inhaled or exposed to for a long time. Full definition
The crib mattress, bedding, nursery paint and furniture can all be sources of toxic gases for a new baby. (organic-baby-resource.com)
Moreover, the extracted crude turned out to be heavy, less valuable and with toxic gases in it. (oilprice.com)
The plants living on green roofs, especially leafy plants and flowers, can capture air pollution and filter toxic gases from the air. (greenhomeguide.com)