Correct answer
0.5 grams per litre of blood.
0.5 grams per litre of blood; the general breath limit is 0.25 milligrams per litre. Do not confuse blood measurements in grams with breath measurements in milligrams. Novices and specified services have reduced limits and under-18s a zero limit. No figure authorises impaired driving; the safest choice is not to drink.
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0.3 grams per litre of blood as the general limit in this scenario.
0.5 grams per litre of blood.
1 gram per litre of blood.
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