In all, more than 500,000 tons of chemical gas agents were used in World War I. Some 500,000 troops were injured and some 30,000 died, including 2,000 American troops.

Nearly five years after a pipeline spewed poison gas across a Mississippi town, federal regulators appeared ready in recent ...

That bacteriological warfare, poison gas and the bombing of civilian populations be renounced (proposed by all the Big Seven and by all other nations heard from last week). This proposal and all ...

The New Jersey Poison Control Center in January assisted in the medical care of a family of four exposed to dangerous carbon ...

On Wednesday, the National Park Service announced that the Bright Angel, South Kaibab and North Kaibab trails had been closed due to a leak of chlorine gas, a toxic substance used to treat water ...

NINE people have been rushed to hospital as homes were evacuated and residents urged to stay away amid dangerous gas fears.

A NJ family was hospitalized for carbon monoxide poisoning from a gas generator. NJ Poison Control Center urges safety ...

It's extremely dangerous in high levels. "Many household items including gas- and oil-burning furnaces, portable generators, and charcoal grills produce this poison gas," the U.S. Centers for Disease ...