Paragraph 4 Flammable solids
For the following goods—
| un 3231 | self-reactive liquid type b, temperature controlled* |
| un 3232 | self-reactive solid type b, temperature controlled* |
the methods of temperature control specified below shall be used—
(a)
where the maximum ambient temperature to be expected during carriage does not exceed the control temperature by more than 10°C, one of the methods specified in paragraph 3(5)(c), (d) or (e);
(b)
in all other cases, one of the methods specified in paragraph 3(5)(d) or (e).