The length of time that smoke lingers depends on the rate of air exchange in the particular place. I can write with more details to noble Lords, but I repeat the point that I made earlier: the danger is still there when the smoke is no longer visible.
Health Bill
Proceeding contribution from
Lord Warner
(Labour)
in the House of Lords on Thursday, 20 April 2006.
It occurred during Debate on bills
and
Committee proceeding on Health Bill.
Type
Proceeding contribution
Reference
680 c598-9GC 
Session
2005-06
Chamber / Committee
House of Lords Grand Committee
Subjects
Librarians' tools
Timestamp
2024-04-22 01:25:27 +0100
URI
http://data.parliament.uk/pimsdata/hansard/CONTRIBUTION_316211
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