§ Ms Ruddock
To ask the Secretary of State for the Environment when he will publish the results of research undertaken by Warren Spring Laboratory in 1993 into personal exposure to pollution in central London. 
§ Mr. Clappison
The results of the research were published in Warren Spring Laboratory report IR 353(AP) in November 1992 and LR 982(AP) in April 1993. Copies are being placed in the Library.