asked the Secretary of State for Defence (1) what is the frequency of X-ray surveys on the following categories of workers using asbestos and related materials in Her Majesty's dockyards (a) registered workers, (b) neighbourhood workers and (c) management visitors;(2) if he will publish the numbers of retired, former or serving employees of Her Majesty's dockyards who arc affected or have died from (
a) asbestosis and ( b) mesothelioma;
(3) if he will publish the numbers of retired or serving Service personnel who are affected or have died from ( a) asbestosis and ( b) mesothelioma in the period 1970 to 1978.
(4) if he will detail the list of materials which, when being used in ship refitting in Her Majesty's dockyards, require the operative to wear respirators or the use of artificial extraction and ventilation equipment.
I will write to my hon. Friend.