The Food Irradiation Regulations (Northern Ireland) 2009

8.  Every licensee shall record, in relation to each batch of food irradiated by the licensee, the following information—

(a) in the case of a radionuclide facility—

(i) in relation to each source configuration of ionising radiation available for use in the facility, such information as to its position as shows whether and if so when the batch of food was exposed to it;

(ii) either the speed at which the batch travels through the facility and the route which the batch travels while passing through it or the time which the batch spends in the radiation zone;

(b) in the case of a machine source—

(i) its energy level;

(ii) its electron current;

(iii) its scanner width;

(iv) the characteristics of its beam;

(v) unless it has a scattering device, the frequency with which its beam scans the batch; and

(vi) the speed at which the batch travels through the facility.