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(1) Parts 1 to 3 do not apply in respect of a neutron radiation detector, including one with solder glass joints, that
(a) does not contain more than 1 g of boron trifluoride gas;
(b) may be transported under the UN number and shipping name UN1008, BORON TRIFLUORIDE, in accordance with subsection (1) of special provision 145 of the Transportation of Dangerous Goods Regulations; and
(c) is packed in accordance with subsection (2) of special provision 145 of those Regulations.
Radiation detection systems
(2) Parts 1 to 3 do not apply in respect of a radiation detection system that contains a neutron radiation detector, including one with solder glass joints, if
(a) the neutron radiation detector meets the conditions set out in paragraphs (1)(a) and (b); and
(b) the radiation detection system is packed in accordance with subsection (3) of special provision 145 of the Transportation of Dangerous Goods Regulations