Normal ER visits are those that bring themselves in. Trauma patients are the ones coming in via 911 calls, ambulances, helicopters, etc. General rule of thumb-they are obvious exceptions as stabbings & gunshot wounds do happen outside of hospitals or the victims come wandering in.
Labor Day is a United States federal holiday which is observed on the first Monday in September each year. The holiday originated on September 5, 1882 as the Central Labor Union of New York City sought to create a day off work for the working citizens.
In the United States, Labor Day is a federal holiday observed on the first Monday of September. It is customarily viewed as the end of the summer vacation season. Many schools open for the year on the day after Labor Day. The holiday is shared with Canada, where it is known as Labour Day.