Figure 6.3: Annual average concentrations of benzene in Christchurch
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The chart shows the annual average concentrations of benzene in Christchurch. The highest concentrations were measured in Riccarton road outside (12.1 microgrammes per cubic metre), Manchester Street (7.2 microgrammes per square metre), and Riccarton road inside (6.6 microgrammes per square metre). All other measurements at other locations were below 5 microgrammes per square metre.
