To check for phosgene, hydrogen chloride and other possible contaminants, the EPA used a plane-mounted spectrometer to take readings from the air, and a gas monitor on the ground was configured to ...

This week marks 40 years since 'Toxic Tuesday,' when workers in Cedar Rapids accidentally sparked a fire while demolishing an old sewage treatment plant.A dome building made of plastic and Styrofoam, ...

Vinyl chloride is not nearly as toxic as chlorine, but inhaling it still represents a risk. Another concern is that with heat, vinyl chloride can be converted into phosgene, a highly toxic gas, ...

The E.P.A. has been screening homes in the affected area for vinyl chloride and hydrogen chloride. As of Tuesday, it had not detected either gas in any of them. Ethylene glycol monobutyl ether ...

Six years later, in a more chemical account, British chemist J. W. Thomas included KNO 3 in an article about the action of hydrogen chloride gas on various metal salts. As early as 300 BCE, KNO 3 was ...

An unintentional release of hydrogen chloride vapor led to a hazmat response Monday by Columbia Fire Department. There was no community or environmental threat during this incident, the department ...