 This na how dem take dey measure am: Level of alcohol for England, Wales and Northern Ireland Micrograms per 100 millilitres of breath35 Milligrammes per 100 millilitres of blood80 Milligrammes per 100 millilitres of urine107 Di drink-drive law na part of UK government campaign to make people dey more careful for road when dem dey drive so dat dem no go harm demself, and other people wey dey waka with leg for road. 