Correct answer
0.15 milligrams per litre
They must not exceed 0.15 mg per litre of breath, corresponding to the regulatory blood limit of 0.3 g per litre for this category. Article 20 applies this limit because the vehicle is intended for emergency service; the driver need not be professionally employed. The safe recommendation is to avoid alcohol before driving.
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0.30 milligrams per litre
0.15 milligrams per litre
0.25 milligrams per litre
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