Thank you for answer and info as follows.
The level obtained at 12.56pm, which was 2 hours after the consumption of 70cl of vodka was 145 this is the lower of two readings. The higher reading was 156 at 12.53pm. Weight is 8 stone 5 pounds or 53.2 Kg.
Thank you for reply, so is what you are saying in the last point is that it could not be proved that there was alcohol in her system at 10am