3309 - 3274 - Verify results agree with known radioactive source(s) (e.g. Co-57, Na-22, Ba-...; Remark:3201

Step 00

3274 - Verify results agree with known radioactive source(s) (e.g. Co-57, Na-22, Ba-...

Verify results agree with known radioactive source(s) (e.g. Co-57, Na-22, Ba-133)