P413 CEEFAX 413 Sat 19 Aug 22:52/56
|l4|l4|, |l4|h<|
n1n1 n5j=w
/.%/.%/, j5j5 5/5
#######################################
1,3-BUTADIENE
Northern England
For 24 hours to Avg Year
12pm Sat 19 August ppb avg
All sites are URBAN
Middlesbrough Low .16 .30
Leeds Low .16 .41
1,3-Butadienj is a substance that
can cause cancer. Independent
health experts have advised that a
yearly average of 1 part per
billion (ppb) presents an
exceedingly small risk to health.
Data from Department of Environment
C England S England RegionAir UK Maps