The study also found that cool-mist units released significant levels of mold.

Scientists sometimes debate whether specific activities release measurable levels of endorphins.

Konami releases Scramble, the first side-scrolling shooter with forced scrolling and multiple distinct levels,.

But in multiple myeloma, excessive plasma cells release unhealthy levels of protein (called immunoglobulin) into the bones and blood.

Coal-fired ger stoves release high levels of ash and other particulate matter (PM).

Defective ceramic ware can release dangerous levels of lead when food is served or stored in them.

Non-gamma-2 dental amalgams have been developed that were, however, found to release higher levels of mercury vapor compared with traditional amalgams.

In Sarnia, a refinery scrubber lost power and released above-normal levels of pollution; residents were asked to close their windows.

The plan calls for revamping the plants - which in Connecticut are owned by towns - so they release lower levels of nitrogen.

The heat from the explosions would immediately vaporize the karst limestone, releasing toxic levels of carbon dioxide into our planet's atmosphere.