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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.
In the 1980s and '90s, a push to lower the legal blood alcohol content (BAC) limit for getting behind the wheel took the country by storm. Mothers Against Drunk Driving (MADD) was formed in 1980 ...
Pilots of aircraft may not fly within eight hours of consuming alcohol, while under the impairing influence of alcohol or any other drug, or while showing a blood alcohol concentration equal to or greater than 0.04 grams per decilitre of blood. [26] Utah became the first U.S. state to lower the legal limit to .05% BAC by volume on 24 March 2017.
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 ...
The Clean Air Act is passed in the United States, with subsequent amendments in 1970, 1977 and 1990. 1974 World population reached 4 billion. [23] 1970s 2010s Deindustrialization occurs in the Midwest and then much of the United States, as manufacturing industries (and their pollution) move to China and other Asian countries. 1980
National Geographic logo. National Geographic is an American magazine that is noted for its cover stories and accompanying photography. [1] [2] [3] Throughout the 1980s National Geographic's cover stories showcased historical events such as the 1980 eruption of Mount St. Helens [4] and the effects of the weather phenomenon known as El Niño. [5]
1990 – Clean Air Act Amendments of 1990. Set new automobile emissions standards, low-sulfur gas, required Best Available Control Technology (BACT) for toxins, reduction in CFCs. 1990 – Oil Pollution Act of 1990; 1991 – Intermodal Surface Transportation Efficiency Act (ISTEA) 1992 – Residential Lead-Based Paint Hazard Reduction Act
1980s portal; These articles relate to the natural environment in the year 1980. They include the human impact on the environment, environmental law, nature conservation, environmentalism and environmental issues.