Guardian: Around 500 tonnes of radioactive waste from the Olympic Park in east London has been dumped in a landfill site in Cambridgeshire, the Guardian has learned. A permit was not required since the Olympic Delivery Authority (ODA) was able to take advantage of the same exemption order which allowed it to bury waste with low levels of radioactivity on-site in a bunker just 250m from the main Olympic stadium. The bunker was completed and filled with waste in late 2008 but subsequent …