off-gassing

The first day or two, most of the off-gassing is all CO2.

And don't get anyone started on the dangers of off-gassing from new construction materials in an airtight environment.

The off-gassing from new cars causes fog on the inside of the windshield in front of the camera.

For a few hours after roasting, CO2 escapes, which is the process called degassing or off-gassing.

Walk into any dollar store and you'll smell something similar to this, cheap plastics off-gassing all kinds of wonderful substances.

Ingestion or incorporation of these off-gassing materials into the human bloodstream would are really beyond the scope of their OEM purposes/safety.

Roasted beans give off CO2, which is displaced by oxygen during the off-gassing process.

The situation for both off-gassing and plastic recycling is rather bleak.

Those things are not static, they are off-gassing, they are reacting, they are releasing compounds unknown into the air we breathe.

New plastic may have some off-gassing / contact contamination concerns though.

The off-gassing when they heat up to much?

Heating pennies will result in harmful zinc off-gassing.

"Underground" usually also means degraded containment (micro-tears in 15cm thick steel), seeping water soluble heavy-metal salts, off-gassing Radon, and sometimes literally on fire when using the wrong brand of kitty-litter to clean up toxic waste.