(1)  An amount of more than one tonne of radioactive material that contains less than one becquerel per gram of naturally occurring radioactive material is exempt from the operation of sections 13(1) , 14 and 38 of the Act and Parts 5 and 7 of these regulations.

(2)  For the purposes of subregulation (1) , if the radioactive material forms part of a decay chain, the quantity of one becquerel per gram is to be measured in relation to the parent radionuclide.