HC Deb 12 February 1968 vol 758 c280W
Mr. Ian Lloyd

asked the Secretary of State for the Home Department whether he will publish a frequency distribution of the results of blood and/or urine samples tested as a result of positive breathalyser indications to motorists between 9th October and 30th November, giving the readings in millilitres.

Mr. Taverne:

Figures for England and Wales in cases where there were positive results in roadside breath tests or the laboratory specimen was provided in hospital are as follows:

Mgs. alcohol per 100 mils. blood or the equivalent alcohol-urine concentration Number of cases where a laboratory analysis was made
80 or below 341
81–100 160
101–120 203
121–150 306
Over 150 601