This radioactive source is mounted in a 2.5 cm diameter sealed plastic disk.
The source is USNRC License Exempt (US only). Outside the US, consult local laws and regulations.
Below is the isotope, activity, half-life and type of radiation:
Before purchasing PASCO radioactive sources:
Local, national, and international regulations may restrict the purchase, storage, transport, use or disposal of radioactive sources. Please consult your local regulations to ensure your compliance before you purchase radioactive sources.