DECONTAMINATION METHOD OF PRODUCT CONTAMINATED WITH RADIOACTIVE SUBSTANCE

摘要

PROBLEM TO BE SOLVED: To significantly reduce radiation exposure of a worker engaged in the decontamination work of the decontamination of a metallic radioactive solid waste, while. SOLUTION: A lead product 1 contaminated with a radioactive material is subjected to either or both of ultrasonic decontamination or electrolytic decontamination by the use of one decontamination liquid 2 of water, an acidic solution, an alkaline solution, and a neutral solution, while shielding the radiation with the liquid 2.