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BENZENE Level Year Avg Birmingham Ea t Below 0.85
1,3-BUTADAENE Level Year Avg Birmingham East Below 0.14
These hydrocarbons can cause cancer. The level is set against a yearly average of 5ppb for Benzene and 1ppb for 1,3-Butadiene, which as standards represent very small health risks. Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430