Paragraph 1

For the purpose of classifying a substance dangerous for supply in accordance with Part I of this Schedule the flash point shall be determined—

(a)

by one of the equilibrium methods referred to in paragraph 3; or

(b)

by one of the non-equilibrium methods referred to in paragraph 4, except that when the flash point so determined falls within one of the following ranges, namely:—

(i)

−2°C to + 2°C,

(ii)

19°C to 23°C, or

(iii)

53°C to 57°C, that flash point shall be confirmed by one of the equilibrium methods referred to in paragraph 3 using like apparatus.