A. Equal to 0,22 mg or more alcohol per litre exhaled alveolar air.
B. When more than 0,22 mg alcohol per litre exhaled alveolar air.
Read carefully in the book, when it's bewteen 0,22 to 0,35, it should be a A alram, over 0,35 or more -> P positive
However the answer is A...
Does anyone why know why?
Thanks!!!!




