Global Chemicals was a company which developed a new technique for refining oil in the 1970s. After receiving approval from the Ministry of Ecology, an oil refinery headed by Director Stevens was opened in Llanfairfach, Wales. Secretly, not only was Global Chemicals dumping lethal toxic waste into the abandoned coal mine, creating Giant Maggots, but Stevens had been taken over by the meglomanical supercomputer BOSS. The Doctor investigated the company's activities and the refinery was shut down. (DW: The Green Death)

Global Chemicals was renamed Panorama Chemicals in the novelisation after a real company by that name objected.
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