mustard gas
sulfur mustard

Mustard gas often remains on the ground for several days.

We know he's dropping mustard gas on his own people.

And I find it very hard to forget about that mustard gas.

So maybe it would have been plague, or mustard gas.

The effects of invisible mustard gas are not felt for at least 30 minutes.

He lost a leg in the war and was exposed to mustard gas.

Tests on a 55-gallon drum came up positive for mustard gas.

You're alive, having just survived your first mustard gas attack.

Poison bullets were tried out on them as was mustard gas.

It's as if we'd sprayed that city with mustard gas.

About 100 tons of mustard gas also came from Brazil.

Guthrie was the first to report on the effects of mustard gas.

Exposure to mustard gas was lethal in about one percent of cases.

Despite being affected by a mustard gas attack, he also survived the war.

In 2002, a large quantity of mustard gas was found buried under its former site.

It took the British more than a year to develop their own mustard gas weapon.

The battle took place over several days, and Soviet bombers used mustard gas.

However, Iraqi forces are believed to still have large amounts of mustard gas available.

Shows photographs taken in 1996 showing people with mustard gas burns.

Add a soupcon of mustard gas and you'll have the general picture.

The officials said Libya has already made some small quantities of mustard gas at the plant.

Mustard gas was present in the battle which damaged one of Young's lungs.

He doesn't mind the smell of mustard gas and roses.

An American expert said that 100 tons of mustard gas was enough to cover 50 square miles.

"The trenches are dug, the mustard gas is in hand."