S.L. 499.44 · Air Navigation (Dangerous Goods) (S.L. 499.44)
S.L. 499.44 Art. 9Removal of contamination.
(1) The operator of an aircraft in which dangerous goods are to be carried shall ensure that any contamination found as a result of leaking or damaged packages, overpacks or freight containers is removed without delay.
(2) The operator of an aircraft shall ensure that an aircraft is not permitted to fly for the purpose of carrying passengers or cargo if it is known or suspected that radioactive materials have leaked in or contaminated the aircraft, unless the radiation level resulting from the fixed contamination at any accessible surface and the non-fixed contamination are not more than the values specified in paragraph 3.2 of Part 7 of the Technical Instructions.