A TEPCO worker sprays chemical hardening agent around the Fukushima Daiichi nuclear plant, 18 April 2011. TEPCO / japannewstoday.com

TOKYO, April 23 (Kyodo) – Workers at a nuclear power plant damaged by last month’s earthquake and tsunami that devastated Japan’s northeast continued battling to deal with radioactive water Saturday as their exposure to radiation is constantly increasing. One more worker is found to have been exposed to radiation of more than 100 millisieverts, bringing to 30 the total number of people of that dosage level while dealing with the crisis at the Fukushima Daiichi plant since the March 11 disasters, sources familiar with the situation said. Plant operator Tokyo Electric Power Co. said Saturday that a piece of concrete rubble with a high radiation emission of 900 millisieverts per hour was found near the plant’s No. 3 reactor and a worker removed it using heavy equipment. …

Workers locked in battle at Fukushima, exposure to radiation rising