The cement works closed in 1981; a plant supplying Calcium oxide for use in the plastics industry was established on the site in 1990. The Capper Pass, Melton smelting works closed and was decommissioned in the early 1990s. It was a major employer in the wider area, but also a polluter due to the nature of the work it performed; the site was thought to be responsible for a cancer cluster discovered in the west Hull area in the 1980s, as well as having affecting the health of its own employees. In the early 2000s the site was redeveloped as open air storage and industrial warehousing.