Radioactive Materials

All requisitions for the purchase of radioactive materials and radiation devices must be approved by the SJSU radiation safety officer before submitting the purchase requisition to the Research Foundation. Purchases of items will be screened and handled as radioactive material if they contain mass numbers or radiation measurement units:

Isotope  X-Ray
 Nuclide  Active/labeled
 Radiation  Tritium
 Activation  Irradiator
 Radioisotope  Irradiated
 Radionuclide  Generator

Radiation Measurement Unit Table 

 Term  Abbreviation    
 Kilobecquerel  kBq
 Megabecquerel  MBq
 Microcurie  µCi
 Millicurie  mCi
 Millirem  mrem
 Roentgen  R