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These three new radiological health standards will come into effect on March 1!
Time：
2023-03-06
These three new radiological health standards will come into effect on March 1!
In November 2022, the National Health Commission issued a notice (Guoweitong [2022] No. 10):
1、 Mandatory national occupational health standards
GBZ 117-2022 Radiation Protection Standard for Industrial Flaw Detection (replaces GBZ 117-2015, GBZ 132-2008, GBZ 175-2006)
2、 Recommended national occupational health standards
GBZ/T 164-2022 Health Standard for Nuclear Power Plant Operators (replacing GBZ/T164-2004)
GBZ/T 327-2022 Standard for Prevention and Control of Occupational Hazards in Nuclear Power Plants
The above standards shall come into force on March 1, 2023, and GBZ 117-2015, GBZ 132-2008, GBZ 175-2006 and GBZ/T164-2004 shall be abolished at the same time.
Industrial flaw detection is widely used in industry. It is one of the main methods to inspect the internal defects of metal or non-metallic objects. Doing a good job in radiation protection is the prerequisite for the sustainable and healthy development of industrial flaw detection. Let's understand the main contents and changes~
In order to facilitate the use of supervision and management departments, flaw detection practitioners, monitoring and evaluation personnel and other relevant personnel, the new standard provides GBZ 117-2015 Requirements for Radiological Protection of Industrial X-ray Flaw Detection, GBZ 132-2008 Industrial γ Radiological Protection Standard for Radiographic Testing, GBZ 175-2006《 γ Three standards, including the Radiological Health Protection Standard for Industrial CT, have been integrated and revised.
1、 Applicable scope of the standard
This standard specifies X-ray and γ Radiological protection requirements for radiographic inspection.
This standard is applicable to the use of 600 kV and below X-ray flaw detector and γ The flaw detection work (including fixed flaw detection and mobile flaw detection) carried out by the radiographic flaw detector, industrial CT flaw detection and non-flaw detection are used for reference in the same radiation source range of NDT.
This standard is not applicable to industrial flaw detection by accelerator and neutron flaw detector.
2、 Main contents of the standard
This standard document defines professional terms such as industrial flaw detection and pipeline crawler; The radiation protection requirements and detection of the user, flaw detector, fixed flaw detection, mobile flaw detection and other aspects are described in detail.
3、 Main technical changes in this revision
Change content
1. Requirements for radiation protection performance of flaw detector;
2. Estimation of control area distance;
3. Change the air specific release energy rate related to the radiation protection requirements to the ambient dose equivalent rate.
Add to the content
Radiation protection requirements of the user
Delete content
1、 γ Performance acceptance test contents of flaw detector;
2. Pipeline creep flaw detection device γ Schematic diagram of shutter type of flaw detector.
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