Alcohol Limits
The prescribed limit of alcohol is as follows (Note: sub paras are copied from the act).
(a) in the case of breath, 9 microgrammes of alcohol in 100 millilitres,
(b) in the case of blood, 20 milligrammes of alcohol in 100 millilitres, and
(c) in the case of urine, 27 milligrammes of alcohol in 100 millilitres.