The local fisherman serves as the critical group, a third of yearly dose equavalent limit for these individuals (i.e. 1.7 mSv/a) is taken as dose limit in ocean environment contaminated with radioactive materials.

• 关键居民组为当地渔民；取公众个人年剂量当量限值的1/3(即1.；7mS_v/a)作为海洋环境引起的照射限值。