0.08%
It's illegal to operate a vehicle if ones BAC is .08 or higher.
Any BAC over .000.
.025 BAC
In most countries, it is illegal to drive with a blood alcohol concentration (BAC) of 0.06 or higher. It is considered a level above the legal limit for safe driving. It is important to always abide by local laws and regulations regarding alcohol consumption and driving.
It's not illegal to have a certain level in your blood. It's illegal if you want to drive.
That depends on the person's BAC, which drops at the rate of about .015 of BAC per hour.
0.8% BAC, I think...
when their BAC is at or above .05%
It means that the blood alcohol level is 0.08%, or that the bloodstream is 8 parts alcohol out of 10000. This level is sufficient to cause impairment such that most states in the US set that as the point beyond which it is illegal to drive. Note that a BAC of 0.40 is generally fatal. Alcohol is a poison, after all.
Not many. I recently got a DUI, I had three Busch Lights from 10 p.m. until 1:15, was arrested for DUI, and my BAC was .112
when their BAC is at or above .05%