Correct answer
0.25 milligrams per litre.
0.25 milligrams per litre of exhaled air under article 20. Do not confuse this with 0.5 grams per litre of blood. Article 20 provides lower limits for special cases, and drivers under 18 are subject to a zero limit. Being below a legal limit does not guarantee safe driving; the safest choice is to avoid alcohol when driving.
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0.15 milligrams per litre.
0.50 milligrams per litre.
0.25 milligrams per litre.
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