MADRID, May 7 (Reuters) - Spain's nuclear watchdog has stepped up screening of workers and visitors to the Asco I power station following a radioactive leak reported last month.
In a statement released late on Tuesday, the Nuclear Safety Council (CSN) added that it had so far checked 1,625 people out of a planned total of 2,544 at the plant near northeastern port Tarragona and found none to have been contamminated.
