Because Maruyama is produced in Guachuan City, Shizuoka Prefecture, a big tea-producing county in Japan. In May of 20 1 1 year, the radiation in Shizuoka Prefecture was 0.0398 msv, which was within the safe value. Therefore, it is impossible to judge whether the matcha of Maruyama Tea Co., Ltd. has radiation.
The above information is for reference only. Consult a professional for more specific information.