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Blood alcohol content (BAC), also called blood alcohol concentration or blood alcohol level, is a measurement of alcohol intoxication used for legal or medical purposes. [1] BAC is expressed as mass of alcohol per volume of blood. In US and many international publications, BAC levels are written as a percentage such as 0.08%, i.e. there is 0.8 ...
Drunk driving is the act of operating a motor vehicle with the operator's ability to do so impaired as a result of alcohol consumption, or with a blood alcohol level in excess of the legal limit. [1] For drivers 21 years or older, driving with a blood alcohol concentration (BAC) of 0.08% or higher is illegal.
The laws of driving under the influence vary between countries. One difference is the acceptable limit of blood alcohol content.For example, the legal BAC for driving in Bahrain is 0, despite drinking alcohol being allowed, in practice meaning that any alcohol level beyond the limit of detection will result in penalties.
NHTSA reports that the following blood alcohol levels (BAC) in a driver will have the following predictable effects on his or her ability to drive safely: (1) A BAC of .02 will result in a "[d]ecline in visual functions (rapid tracking of a moving target), a decline in the ability to perform two tasks at the same time (divided attention)"; (2 ...
Authorities said his blood alcohol level was more than 16 times the state’s legal limit. Around 4:20 p.m., an officer stopped the bus at the end of its route as it returned to Jackson Middle ...
The state will impose the country's strictest limit for alcohol consumption later this month — just in time for New Year's Eve. One state set to drop blood-alcohol limit to .05, strictest in country
The tests were used in real-world conditions and reported as being able to determine intoxication above the then-effective blood alcohol concentration (BAC) limit of .10 grams per deciliter (g/dL) of blood. After some US states began lowering their legal BAC limits to .08 g/dL, other studies reported that the battery could also be used to ...
Pennsylvania's maximum blood alcohol level for driving is 0.08% for persons at or over the age of 21, [28] [29] and 0.04% for a person operating a commercial vehicle (0.02% for a school bus) with one-year suspension of the license for the first offense.