February 8, 2011 — The only direct National Institute of Standards and Technology (NIST) traceable dose calibrator source for Ga-68 and F-18 is now available in a 1 mCi (37 MBq) sealed source. This will help positron emission tomography (PET) manufacturers and end-users comply with all FDA, NRC, state regulations and with 21 CFR 212; cGMP for PET drugs.