New South Wales Consolidated Regulations

RADIATION CONTROL REGULATION 2003 - REG 32

32 Contamination of premises by radioactivity: section 21

(1) For the purposes of section 21 (4) of the Act, the prescribed level of activity for premises inside a building is:

(a) 0.04 becquerels per square centimetre for any Group 1 or Group 2 radioactive substance that emits alpha radiation, or

(b) 0.4 becquerels per square centimetre for any Group 3 or Group 4 radioactive substance that emits alpha radiation, or

(c) 0.4 becquerels per square centimetre for any radioactive substance that emits beta or gamma radiation.

(2) For the purposes of section 21 (4) of the Act, the prescribed level of activity for premises outside a building is:

(a) 0.01 becquerels per square centimetre for any Group 1 radioactive substance, or

(b) 0.1 becquerels per square centimetre for any Group 2 radioactive substance, or

(c) 1.0 becquerels per square centimetre for any Group 3 radioactive substance, or

(d) 10.0 becquerels per square centimetre for any Group 4 radioactive substance.