Automobile emissions testing is required in all or part of 33 states to help maintain the federal air quality standard. Areas that were in moderate nonattainment or worse for ozone in 1990 are included in Ohio's E-Check program. These areas include the metropolitan statistical areas of Cleveland and Akron.
Freebase(0.00 / 0 votes)Rate this definition: Alcohol proof. Alcohol proof is a measure of how much alcohol is contained in an alcoholic beverage. The term was originally used in the United Kingdom and was defined as 7/4 times the alcohol by volume.
They mixed a spoonful of whiskey with a pinch of gunpowder. When a lighted match was dropped into the mixture, it ignited with an audible âproofâ! This micro fireworks would happen only if the alcohol content was 50 percent or more by volume. Today proof is defined as twice the alcohol content by volume. Whiskey with 50 percent alcohol is 100-proof whiskey. There are better ways of determining alcohol content by volume these days, but they are not as much fun as the old-fashioned way. Sober Days ran in the Palm Springs daily newspaper, the Desert Sun, for several years in the 1990s-2000s.