READ MORE: Trees felled at huge Kidlington waste dump as work beginsIt is to be conducted by Acumen Waste Services, a Yorkshire firm with the contract reportedly worth £8 million of taxpayers' money according to Channel 4. A spokesperson for the Environment Agency said: “The criminal investigation continues at speed. READ MORE: Massive Oxfordshire waste dump could remain until 2026 end“The 39-year-old man from Guildford arrested in November remains very much a part of our efforts to prosecute the offenders. “The Environment Agency secured a restriction order in October to block access to the site, having ordered the landowner to stop taking in more waste. “Any information that could help the investigation can be called in to the Environment Agency’s 24-hour incident hotline: 0800 807060.”