This standard specifies the radiation health protection requirements for the use of sealed radiation sources (hereinafter referred to as sealed sources) and sealed Y radiation source containers This standard is applicable to section 3.7 × 10Bq~3.7X106Bq (1 μ Ci1MCi) level sealed source This standard is not applicable to instrument calibration sources and sealed sources packaged in glass containers: this standard is also not applicable to neutron sealed sources
2 Normative References
The clauses in the following documents become clauses of this standard through reference in this standard.
. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standardGB4075 General Requirements and Classification for Sealed Radioactive Sources
GB11806 Regulations for the Safe Transport of Radioactive Substances
GB15849 Leakage Inspection Methods for Sealed Radioactive Sources
GB18871 Basic Standards for Ionizing Radiation Protection and Source Safety
3 Terms and Definitions
The following terms and definitions apply to this standard
3.1 Sealed Radioactive Sources
A radioactive source sealed within a shell or tight covering layer, which has sufficient strength to prevent the leakage of radioactive substances under the designed operating conditions and normal wear and tear.
Declaration:Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China