§ Mr. Wilsonasked the Secretary of State for Scotland if he will give figures to show the percentage error of the Camic breathalyser.
§ Mr. AncramAt table 5 of the report on the field trial of the Camic breath analyser it is shown that the standard deviation, at the prescribed level, lies between 1.29 and 1.27 representing a coefficient of variation of 3.67 per cent. A copy of the report, published in 1982, is available in the Library of the House.