How many types of radiation devices does industrial CT belong to? In addition, Guangzhou, Zhuhai, Jiangmen, Foshan and other areas of the Pearl River Delta region where to do radiation environmental a

How many types of radiation devices does industrial CT belong to? In addition, Guangzhou, Zhuhai, Jiangmen, Foshan and other areas of the Pearl River Delta region where to do radiation environmental assessment and handle radiation Industrial CT depends on how much the tube voltage, greater than 160kV generally belongs to the Ⅱ type of radiation device. According to the "Construction Project Environmental Impact Assessment Categorized Management List", the use of Class II ray device is to commission an environmental assessment unit to prepare an environmental impact report form, to the Provincial Environmental Protection Office for approval, to get the approval before starting construction. As far as I know, Guangdong Province can do this kind of radiation EIA and specialize in radiation safety permits for not many companies, I know of a company called "nuclear technology - Guangzhou Star Ring Technology" in the company to do, our company has worked with them before