§ Mr. DobsonTo ask the Secretary of State for Energy (1) what is the total tonnage of polychlorinated biphenyls in transformers owned by the area electricity boards and the Central Electricity Generating Board;
(2) what percentage of transformers owned by (a) the area electricity boards and (b) the Central Electricity Generating Board contain polychlorinated biphenyls.
§ Mr. WakehamThis is a matter for the electricity supply industry. I have therefore asked the chairmen of the Electricity Council and the CEGB to reply direct to the hon. Member.