Mr Gosling said public and private clients' awareness of the threat to employees and customers from the disease had increased dramatically since an outbreak in a water-cooling tower
in Cumbria in 2002, leading to the deaths of five people.
The chemical in question is hexavalent chromium, also known as chromium 6, which was used by PG&E to control corrosion inside water-cooling towers
at the company's Topock natural-gas compressor plant near Needles.
They were examining public air-conditioning systems and water-cooling towers
which could be harbouring the legionella bug.
The PlantWeb architecture will automate two distillation towers and the plant's water-cooling towers
Each system comes standard with a shakeout mill, vibratory elevator, cooler classifier and dense phase pneumatic conveyor with dust collection and water-cooling towers