The Atomic Energy Regulatory Board (AERB) has given an all-clear signal to Mayapuri in west Delhi where 11 sources of radioactive Cobalt-60 were recovered over the past ten days. <br/><br/>The AERB said today, that as no elevated radiation levels were found in all the areas surveyed and there is confidence that there are no additional high radiation exposed sources remaining in the area. <br/><br/>However, the AERB also said, to further eliminate the possibility of undiscovered sources, a decision has been taken to conduct a thorough survey of individual shops in the scrap market in Mayapuri over the next few days. <br/><br/>Experts from the Department of the Atomic Energy, AERB and the Bhaba Atomic Research Centre has scanned the market since the first incident of radiation exposure came to light on April seven. <br/><br/>A senior AERB official said the radioactive material recovered from Mayapuri is being examined in a remotely handled facility at the Narora Atomic Power Station in western Uttar Pradesh.<br/>