Radioactive material has been detected on a man who was working at a nuclear spent-fuel reprocessing plant in Japan's northeast, a nuclear fuel company said Monday.The company, Japan Nuclear Fuel Ltd., is checking to see if the worker in his 40s, who was inside a building at the plant in Rokkasho, an Aomori Prefecture village, was internally contaminated. He has shown no signs of ill health so far.The worker was replacing parts on Friday morning for equipment used to ventilate a tank in which radioactive materials are produced. Shortly after 11 a.m., radiation levels rose at the spot where …READ FULL ARTICLE