New South Wales Consolidated Regulations

RADIATION CONTROL REGULATION 2003 - REG 5

5 Definition of “radioactive substance”: section 4

(1) For the purposes of the definition of "radioactive substance" in section 4 (1) of the Act:

(a) the prescribed amount is 100 becquerels per gram, and

(b) a substance has the prescribed activity if the expression:

(2) In the expression referred to in subclause (1) (b):

"A1" represents the total activity, in kilobecquerels, of the Group 1 radionuclides contained in the substance.
"A2" represents the total activity, in kilobecquerels, of the Group 2 radionuclides contained in the substance.
"A3" represents the total activity, in kilobecquerels, of the Group 3 radionuclides contained in the substance.
"A4" represents the total activity, in kilobecquerels, of the Group 4 radionuclides contained in the substance.