P415 CEEFAX 415 Sat 19 Aug 22:57/28
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1,3-BUTADIENE
Southern England
For 24 hours to Avg Year
12pm Sat 19 August ppb avg
All sites are URBAN
London Bloomsbury Low .51 .36
London Eltham Low .12 .27
Bristol Centre Low .20 .25
1,3-Butadiene 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
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