Page 698 - Radiation Safety
P. 698

SOURCES OF RADIATION EXPOSURE










             1. EXTERNAL RADIATION




                      WHAT?



                      • RESIDUES: Gypsum, iron oxides, thoria, oil & gas (sludge & scales, contaminated

                            component)




                      WHERE?



                      • Storage & approved dumping areas




                      HOW TO PREVENT?


                      • Controlled by using STD principles
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