The committee said the detected levels of radioactive iodine-131 were below one-hundred-thousandth of natural background radiation and not considered harmful. 委员会称此次检测到的碘-131辐射量小于天然本底辐射剂量的十万分之一,不会对公众造成伤害。
The committee said in a statement that no protective measures are needed as levels of the material are below one-hundred-thousandth of the average level. 委员会在一份声明中说,因为是平均水平的十万分之一以下,不需要做保护措施。