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GBZ98-2020 English PDF

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GBZ98-2020: Health standards for radiation workers
Status: Valid

GBZ98: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GBZ 98-2020	English	229	Add to Cart	3 days [Need to translate]	Health standards for radiation workers	Valid	GBZ 98-2020
GBZ 98-2017	English	199	Add to Cart	3 days [Need to translate]	Health standards for radiation workers	Obsolete	GBZ 98-2017
GBZ 98-2002	English	279	Add to Cart	3 days [Need to translate]	Judgment criteria for cause of radiogenic neoplasms	Obsolete	GBZ 98-2002

PDF similar to GBZ98-2020

Standard similar to GBZ98-2020

GBZ 20 GBZ 57 GBZ 49 GBZ 89 GBZ 101

Basic data

Standard ID	GBZ 98-2020 (GBZ98-2020)
Description (Translated English)	Health standards for radiation workers
Sector / Industry	National Standard
Classification of Chinese Standard	C60
Word Count Estimation	11,169
Date of Issue	2020-10-26
Date of Implementation	2021-05-01
Older Standard (superseded by this standard)	GBZ 235-2011; GBZ 98-2017
Regulation (derived from)	State-health communication (2020) No. 18
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GBZ 98-2020: Health standards for radiation workers

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Health standards for radiation workers ICS 13.100 C 60 GBZ National Occupational Health Standards of the People's Republic of China Replacing GBZ 98-2017, GBZ 235-2011 Health requirements and monitoring specifications for radiation workers Health requirements and surveillance specifications for radiation worker 2020-10-26 Released 2021-05-01 Implementation Released by the National Health Commission of the People's Republic of China directory Preface...II 1 Scope...1 2 Normative references...1 3 Terms and Definitions...1 4 Health requirements for radiation workers...2 5 General rules for occupational health monitoring of radiation workers...3 6 Occupational health examination and suitability evaluation of radiation workers...4 7 Occupational health monitoring file management of radiation workers...6 Appendix A (Normative Appendix) Occupational Health Inspection Items for Radiation Workers...7 Health requirements and monitoring specifications for radiation workers

1 Scope

This standard specifies the occupational health requirements, basic principles and technical requirements of occupational health monitoring for radiation workers. This standard applies to the health monitoring of radiation workers.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. GB/T 16148 Radionuclide Intake and Internal Exposure Dose Estimation Specification GB/T 18199 Medical Treatment and Treatment Plan for Persons Exposed by External Radiation Accidents GBZ 95 Diagnosis of occupational radiation cataract GBZ 96 Diagnostic Criteria for Internal Radiation Sickness GBZ 97 Occupational Radiation Oncology Judgment Standard GBZ 99 Diagnostic criteria for subacute radiation sickness under external irradiation GBZ 100 External Beam Radiation Bone Injury Diagnosis GBZ 101 Diagnostic Criteria for Radiation Thyroid Diseases GBZ 104 Occupational External Exposure Acute Radiation Sickness Diagnosis GBZ 105 Occupational External Exposure Chronic Radiation Sickness Diagnosis GBZ 106 Diagnosis of Occupational Radiation Skin Injury GBZ 107 Diagnosis of Occupational Radiation Gonadal Diseases GBZ 112 General Principles for the Diagnosis of Occupational Radiation Diseases GBZ 113 Principles of Nuclear and Radiological Accident Intervention and Medical Treatment GBZ /T 163 Long-term effects of occupational external radiation acute radiation sickness medical follow-up specification GBZ 188 Occupational Health Monitoring Technical Specifications GBZ 215 Principles of Medical Examination and Treatment of Overexposure Personnel GBZ /T 216 Specification for the treatment of human body surface radionuclide contamination GBZ 219 Diagnostic criteria for radiation skin cancer GBZ /T 244 Method for Estimating Skin Dose Due to Ionizing Radiation GBZ /T 248 Occupational health examination of radiation workers for detection of chromosomal aberrations in peripheral blood lymphocytes GBZ /T 261 Specification for Organ Dose Reconstruction of Exposed Persons in External Radiation Accidents GBZ /T 301 Method for estimating the dose of ocular lens due to ionizing radiation WS/T 187 Method for estimating exposure dose for lymphocyte micronuclei WS/T 583 Specification for medical treatment of personnel contaminated with radionuclides

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 radiation worker Any person employed in radiation work full-time, part-time or temporarily. 3.2 occupational health surveillance of radiation worker Medical examinations to ensure that radiation workers are competent for the tasks they intend to undertake or undertake before and during their employment and evaluation. It mainly includes occupational health inspection and occupational health monitoring file management. 3.3 Adaptability assessment judgment on worker fitness The results of various health examinations are analyzed by authorized physicians according to the corresponding health standards, and their suitability and Competent for the work undertaken to evaluate and sign off. 3.4 occupational medical examination of radiation workers Medical tests performed to evaluate the health of radiation workers. Including before work, during work, when leaving work, emergency exposure and incidents Therefore, occupational health examination after irradiation. 3.5 over exposure Exposure to an individual at a dose that exceeds the annual equivalent dose and/or annual effective dose limit. 3.6 emergency exposure Exposures in emergencies, including unplanned exposures as a direct result of the emergency and actions taken to mitigate the consequences of the emergency planned exposure to moving persons.

4 Health requirements for radiation workers

4.1 Basic principles Radiation workers should have the health conditions to perform their duties without error in normal, abnormal or emergency situations. 4.2 Health Requirements 4.2.1 Clear consciousness, good mental state, no cognitive impairment, no abnormal language expression and writing ability. 4.2.2 No obvious abnormality was found in medical, surgical and dermatological examinations, which did not affect normal work. 4.2.3 Uncorrected visual acuity or corrected visual acuity should not be lower than 4.9, no red-green color blindness; no hearing impairment in whisper or stopwatch test. 5.1.7 All personnel engaged in radiation work in the employer shall be included in the management of radiation workers, and shall receive occupational health inspections in accordance with the law. The unit shall provide the name of the radioactive factor according to the classification of occupational disease hazard factors. 5.2 Determination of occupational health inspection items and inspection methods 5.2.1 Occupational health inspection items and the content of the "Occupational Health Checklist for Radiation Workers" are in accordance with the relevant regulations of the national health administrative department Implementation, in which the determination of occupational health inspection items should follow the consideration of the name of the radiation factor, the type of occupational exposure, and the inclusion of radiation-sensitive organs, etc. Principles; meet the minimum requirements of national laws and regulations and the general requirements of health examination, the content of which refers to Appendix A, and the chief examiner as needed You can suggest to the employer to add some optional inspection items and other inspection items. 5.2.2 The occupational health examination items for radiation workers include basic information, routine medical examination and special medical examination. Basic information and routine medical examination methods are required to be implemented in accordance with the corresponding provisions of GBZ 188, and past medical history and occupational exposure history should be recorded in detail (Department, type of work, starting time, operation method, workload, occupational exposure type and name of radiation factor), if exposure history and other occupational The occupational history should also be recorded, in which the exposure history should include medical exposure, and the dose data should be recorded in the occupational health examination form; special medical examination items include Including cytogenetic examination and ophthalmological examination, cytogenetic examination includes chromosomal aberration analysis of peripheral blood lymphocytes and lymphocyte microscopic examination. For nuclear rate test, the technical requirements shall comply with the corresponding regulations of GBZ /T 248 and WS/T 187, and the ophthalmic examination shall comply with the corresponding regulations of GBZ 95. 5.3 Occupational health inspection report 5.3.1 The entrusted occupational health inspection agency shall follow the same principles as GBZ 188 when issuing occupational health inspection reports for radiation work units. Generally includes summary reports and individual reports. 5.3.2 The summary report is a comprehensive summary of the occupational health inspection results of the entrusting unit, generally including the basic information of the unit, the classification of the inspection results. Analysis and adaptability evaluation of three parts. The basic information includes the name of the inspected unit, the name of the radioactive factor, the number of persons to be inspected by the inspected unit, the actual The number of people inspected, the type of occupational exposure, the time and location of the inspection, etc.; the analysis of the inspection results includes the list of persons with no abnormality, various abnormalities or diseases. List of patients and treatment suggestions, list of reviewers, and a list of personal occupational health examination results. tests related to radiological hazards Abnormal findings include abnormal chromosomal aberration rate and/or lymphocyte micronucleus rate in peripheral blood lymphocytes, white blood cells and micronuclei in blood cell analysis. If the board is abnormal, etc., the re-examination results need to be provided, and the eligibility evaluation will be given according to the re-examination results. For shooting work, see Chapter 6 for assessment of suitability. 5.3.3 Fill in the individual report "Occupational Health Checklist for Radiation Workers", if there is a single or multiple abnormalities in the inspection results, it needs to be re-examined to confirm The content and time of the re-examination should be clarified; the chief inspector will give an opinion of suitability and sign after reviewing the inspection conclusion. The relevant content is detailed. See Chapter 6; persons with suspected radiation injuries should be identified in both individual reports and summary reports, and should be reported by the occupational health inspection agency Notify the radiation work unit, and inform the radiation staff in a timely manner, and at the same time prompt the radiation staff to go to the relevant radiological disease diagnosis machine The institution further clarifies the diagnosis, and reports to the health administrative department where the radiation work unit is located according to regulations. 5.3.4 The medical and health institutions engaged in occupational health examination shall, within 30 working days from the end of the examination work, issue an occupational certificate for the employer. Health inspection report, and be responsible for the content of the report. 5.4 Occupational health consultation Medical institutions engaged in occupational health examinations are obliged to arrange for professionals to accept the questioning or consultation of the results of health examinations by radiological staff. Inquiries, professionals should truthfully explain the examination results and questions to the radiology staff, taking into account the culture of the radiology staff when explaining level and comprehension. The chief examiner should provide necessary occupational health consultation and medical advice to the following radiation workers. a) pregnant or potentially pregnant and breastfeeding female radiation workers; b) radiation workers who have been or are likely to be exposed to significant individual dose limits; c) radiation workers who may be concerned about their exposure; d) Radiology staff who require consultation for other reasons.

6 Occupational health examination and suitability evaluation of radiation workers

6.1 Pre-job occupational health check 6.1.1 Inspection items The inspection items are shown in Appendix A, and optional inspection items or other inspection items may be added if necessary. 6.1.2 Competency evaluation According to the results of the pre-job occupational health examination, the chief examiner will give one of the following suitability opinions to the examinee. a) can engage in radiation work; b) Radiation work may be performed under certain restrictions (for example, radiation work that requires respiratory protection, not from radiation work involving the manipulation of unsealed sources); c) It is not suitable to engage in radiation work. 6.2 Occupational health check during on-the-job 6.2.1 Inspection items The inspection items are shown in Appendix A. The chief inspector increases the name of the radiation factor and the type of occupational exposure according to the occupational exposure history of the radiation staff. For necessary inspection items, for example, if there is a possibility of internal contamination, relevant organ functions can be carried out according to the physical and chemical properties and metabolic characteristics of radionuclides. It is possible to increase the number of radiation workers who can perform inspection and nuclide determination, smoke for a long time and work in an environment exposed to dust and/or radioactive gases and particles. The number of chest X-ray examinations; special examinations and evaluations are arranged for staff exposed to other hazards at the same time or exceeding relevant limits, The frequency of inspections may also be increased as appropriate. 6.2.2 Check result processing If there is any abnormality in the inspection results during the on-the-job period, it can be compared and compared with that before taking up the job, so as to judge the performance of the radiation staff in their work. Suitability, for the radiation staff who need re-examination and medical observation, arrangements should be made in time, and the radiation staff should be instructed to take appropriate preventive measures. protective measures. 6.2.3 Competency evaluation According to the occupational health examination during the on-the-job period, the chief examiner shall give one of the following suitability opinions to the examinee. a) The original radiation work can be continued; b) Radiation work may be performed under certain restrictions (for example, radiation work that requires respiratory protection, not from radiation work involving the manipulation of unsealed sources); c) Temporary withdrawal from radiation work; d) It is not appropriate to continue the original radiation work. For those who are temporarily out of radiation work, after re-examination and meet the health requirements of radiation workers, the chief examiner should propose that they can return to the original radiation Job recommendations. 6.3 Occupational health check on leave 6.3.1 Inspection items The inspection items are shown in Appendix A. When re-inspection is required, the corresponding inspection items can be added according to the re-inspection requirements. 6.3.2 Check result processing Occupation-related abnormalities such as white blood cell count, platelet count below the normal reference range, thyroid It is recommended to go to the relevant medical institution for further examination if there are two or more abnormal functions or abnormal radiation-sensitive organs.

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