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Written question asked by Lord Watson of Wyre Forest (Labour) on Wednesday, 6 June 2007, in the House of Commons. It was due for an answer on Monday, 11 June 2007. It was answered by Tony McNulty (Labour) on Tuesday, 12 June 2007 on behalf of the Home Office.


Terrorism

Question
To ask the Secretary of State for the Home Department pursuant to the statement of 17 May 2007, Official Report, column 46WS, on Westminster tracer gas trials, what non-toxic gases were used in the Westminster area as part of the Department’s Chemical, Biological, Radiological and Nuclear Science and Technology Programme.
Answer

[holding answer 11 June 2007]: The non-toxic gases used in the trial belong to the family of chemicals known as cyclic perfluorocarbons. The actual gases released are: perfluoro methyl cyclohexane; meta perfluoro dimethyl cyclohexane; and para perfluoro dimethyl cyclohexane.


Secondary information

Type
Written question
Reference
141788; 461 c978W
Session
2006-07
Related items
Westminster Tracer Gas Trials
Thursday, 17 May 2007
Written statements
House of Commons
Subjects
Terrorism
Link
View this Written question on www.publications.parliament.uk