Officials measure radiation levels at the quarry owned by Futaba Saiseki Kogyo in Namie Fukushima Prefecture on Jan 20 2012 Mainichi Daily News
Home Fukushima – 350 Times Maximum Annual Radiation Dose Permissible? 350 Times the Maximum Annual Radiation Dose Permissible 40 mSv Hour Mainichi Daily News 20120121p2a00m0na013000p_size5