HC Deb 19 March 1986 vol 94 c201W
Mr. Gareth Wardell

asked the Secretary of State for Transport if picramic acid has been (a) approved as a dangerous substance that is permitted for conveyance by road and (b) classified for the purpose of assigning a hazard warning sign on transporting vehicles.

Mr. Peter Bottomley

No. There is no evidence that the substance is transported in quantity.