Ground Water Barrier

	Appleby Gas Works, Cumbria
	BeezonRoad, Cumbria
	Bromley by Bow, London
	Harmondsworth, London
	Millgate, Stockport
	St. Peter’s Wharf, Maidstone
	Uxbridge, London
	Warwick Gas Works
	West Drayton, London
	Eshiels, Scottish Borders
	PurleyWay, Croydon
	Sixfields, Northampton
	Wantz Road, Dagenham
	Goole River Embankment