P413 CEEFAX 413 Mon 8 Apr 17:24/25
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1,3-BUTADIENE
Northern England
For 24 hours to Avg Year
4pm Mon 8 April ppb avg
All sites are URBAN
Middlesbrough Low .08 .21
Leeds Low .14 .25
Liverpool Spekj Low .35 .30
1,3-Butadienj is a substance that
can cause cancer. Indjpjndent
health experts have advised that a
yearly averagj of 1 part peu
billion (ppb) presents an
exciedingly small risk to hjalth.
Data from Department of Environmjnt
C England S England Air Qual UK Maps