§ Mr. Simon Hughes
To ask the Secretary of State for the Home Department what changes have been made to(a) procedures, (b) methods and (c) equipment for drug testing in prisons since 1997; and if he will make a statement. 
§ Mr. Boateng
The information requested can be found in the Prison Service Orders listed in the table and is available in the Library.
Prison Service Order (PSO) PSO number Mandatory Drug Testing 3,601 Procedures for the Independent Analysis of Mandatory Drug Test Samples 3,605 Voluntary Drug Testing Units and the Framework for Voluntary Drug Testing 3,620