Correct answer
0.15 milligrams per litre of exhaled air.
Article 20 sets 0.15 milligrams per litre of breath for school and child transport. The blood limit is 0.3 grams per litre: these are different quantities and units. Being below the limit does not guarantee fitness to drive; if driving, do not drink alcohol.
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0.15 milligrams per litre of exhaled air.
0.25 milligrams per litre of exhaled air.
0.3 milligrams per litre of exhaled air.
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