HC Deb 25 January 1985 vol 71 c541W
Mr. Ron Davies

asked the Secretary of State for Education and Science if he will make a statement on the progress of the environmental epidemiology research unit of the Medical Research Council in its consideration of research into the incidence of cancer in relation to pesticides and agrochemicals.

Mr. Brooke

I understand that the Medical Research Council's environmental epidemiology unit is conducting

Numbers of children in schools by size of class (England, January 1984)
Number of pupils in class 30 or fewer pupils 31–35 pupils 36–40 pupils Over 40 pupils Total
Classes taught by one teacher
Primary 2,606,929 796,447 87,368 7,741 3,498,491
Secondary 2,999,803 363,704 12,795 3,216 3,379,518
Classes taught by two or more teachers
Primary 72,908 34,606 18,051 46,044 171,609
Secondary 40,001 12,848 7,051 104,264 164,164
All classes
Primary 2,679,837 831,053 105,419 53,791 3,670,100
Secondary 3,039,804 376,552 19,846 107,480 3,543,682