Syria is believed to possess large quantities of chemical weapons and there has been heightened concern among the international community in recent months about the safety of the stockpiles.

BBC: 'Growing evidence' of chemical weapons use in Syria - UK

David Edmondson, the council's strategic development team manager, said the Falmouth situation was different from Texas because Cornwall was dealing with smaller quantities and the chemical was not manufactured in the town.

BBC: Falmouth explosion fear from ammonium nitrate store

Neither the United States nor the Soviet Union has in place today the necessary facilities to dispose safely of the vast quantities of lethal chemical agent that would have to destroyed under the bilateral accord.

CENTERFORSECURITYPOLICY: Center for Security Policy | Is The Emerging US-Soviet Chemical Weapons Accord Too Unverifiable To Be A Treaty?

Huge quantities of gypsum and chemical fertilisers have been added to the waters of the Marcal and Raba rivers.

BBC: Toxic sludge carpets homes in Hungary

But it appears to be a catalyst-driven chemical system that releases both heat and gas in sufficient quantities to pump the wings up and down.

ECONOMIST: A personal eye in the sky