This standard requires that manufacturers be able to evaluate the safety of sealed radiation sources, and that users can The purpose of this document is to enable the selection of a sealed radiation source suitable for its intended use, and specifies general requirements, grading systems, test implementation, manufacturing tests, labeling, and test reports.
JIS Z 4821-1:2002 history
2015JIS Z 4821-1:2015 Sealed radioactive sources -- General requirements and classification
2002JIS Z 4821-1:2002 Sealed radioactive sources -- General requirements and classification
1999JIS Z 4821:1999 Sealed radioactive sources -- General requirement, classification and test methods
1993JIS Z 4821:1993 Classification and testing of sealed radioactive sources