【日本《日本原子工业》1980年10月报道】日本原子能委员会同意关西电力公司的申请,向美国能源部出售该公司所有的约800克钚,条件是美国不能把钚作核武器材料。据报道,美国向日本出售核材料时,往往对核材料的使用和运输方面附加上极严格 [Japan’s “Japan Atomic Industry” reported in October 1980] Japan’s Atomic Energy Commission agreed to the application of Kansai Electric Power Co., Ltd., and sold all of the company’s approximately 800 grams of plutonium to the U.S. Department of Energy, on the condition that the U.S. cannot use plutonium as a nuclear weapon material. According to reports, when the United States sells nuclear materials to Japan, it often imposes very strict restrictions on the use and transportation of nuclear materials.