One of the UK's leading waste and recycling companies has been linked to the growing underground trade in e-waste after campaigners uncovered evidence that broken television sets deposited at the firm's facilities were exported to Africa in contravention of regulations designed to stem the flow of electronic waste to developing countries...Environment Waste Controls...has admitted that electronic equipment from its amenity sites...ended up in West Africa after being exported by a third party company and says it has taken steps to prevent this happening in the future...Campaigners from the Environmental Investigation Agency (EIA) pinpoint the company in a report outlining Britain's role in the global e-waste trade...The report details the findings of an 18 month investigation into how UK e-waste, much of it toxic, is ending up abroad where it is frequently processed in primitive conditions, posing a threat to the environment and human health. [Also refers to ASDA (part of Wal-mart), Tesco, Barclays, Network Rail]