The following sources are mounted in 2.5 cm diameter sealed plastic disks.
The sources are USNRC License Exempt (US only). Outside the US, consult local laws and regulations.
Shown below are the isotopes, activity, half-life and types of radiation (alpha-α, beta-β;, gamma-γ).
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.