8.—(1) Any incident in which—
(a)the malfunction of a radiation generator or its ancillary equipment used in fixed or mobile industrial radiography, the irradiation of food or the processing of products by irradiation, causes it to fail to de-energise at the end of the intended exposure period; or
(b)the malfunction of equipment used in fixed or mobile industrial radiography or gamma irradiation causes a radioactive source to fail to return to its safe position by the normal means at the end of the intended exposure period.
(2) In this paragraph, “radiation generator” has the same meaning as in regulation 2 of the Ionising Radiations Regulations (Northern Ireland) 1985(1).
S.R. 1985 No. 273, to which there are amendments not relevant to these Regulations