§ Mr. George Howarth
To ask the Secretary of State for the Home Department (1) what is the cost of each mandatory drug test in gaols; 
(2) what proportion of mandatory drug tests in England and Wales have proved positive; 492W
(3) which was the main drug detected in cases where mandatory drug testing has proved positive; 
(4) what disciplinary action has been taken in cases where mandatory drug testing in prison has proved positive. 
§ Mr. Michael Forsyth
I refer the hon. Member to the reply given by my right hon. and learned Friend the Secretary of State on 18 May to the hon. Member for Waveney (Mr. Porter),Official Report, columns 370–72.