Correct answer
0.0 grams per litre.
0.0 grams of alcohol per litre of blood: avoid drinking if you will drive. Alcohol in exhaled breath is expressed in milligrams per litre, a different measurement. The zero-alcohol recommendation aims to avoid alcohol’s effects; a zero level does not guarantee completely safe driving, because fatigue, distraction and other circumstances also matter.
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0.3 grams per litre.
0.5 grams per litre.
0.0 grams per litre.
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