(1)  The Authority may carry out tests, and take samples and photographs, for the purpose of performing a function, or exercising a power, of the Authority under this Act or the Authority Rules.

(2)  A person authorised by the Authority under section 14(1) to enter land may, on that land, carry out tests, and take samples and photographs, for the purpose of performing a function, or exercising a power, of the Authority under this Act or the Authority Rules.