Correct answer
0.25 milligrams per litre of breath.
0.25 mg/l in breath, corresponding to the statutory blood limit of 0.5 g/l. These are different units and measurements; a blood-concentration question must not be answered with a breath figure. Minors are subject to a 0.0 limit. Being below the legal maximum does not guarantee safety: the recommendation is not to consume alcohol before riding.
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0.15 milligrams per litre of breath as the general limit for every adult cyclist.
0.25 milligrams per litre of breath.
Adult cyclists have no legal alcohol limit.
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