[ RadSafe ] Radioactive lantern mantels

[Johnston, Thomas P.]

Hello,
Does anyone know of a reliable supplier for radioactive lantern mantles? This is a professionally-related inquiry and request.
Thank you in advance for your assistance.

Best regards,

Thomas Johnston
Health Physicist
NIST Center for Neutron Research
National Institute for Standards and Technology
100 Bureau Drive, Stop 1733
Gaithersburg, MD 20899
301-975-5815
thomas.johnston at nist.gov<mailto:thomas.johnston at nist.gov>