Federal law requires a 30 min lunch break in a 8 hr day. It's unlikely anyone worked more than 6 hours without any break what so ever.
CORRECTION:Federal law
DOES NOT require that employees be given lunch breaks, but many state laws do.
South Carolina
DOES NOT have a law requiring lunch breaks.
http://www.dol.gov/whd/state/meal.htmThe states that require lunch breaks at every shift are California, Colorado, Connecticut, Delaware, Illinois, Kentucky, Maine, Massachusetts, Minnesota, Nebraska, Nevada, New Hampshire, New York, North Dakota, Oregon, Rhode Island, Tennessee, Washington and West Virginia. The states that require break periods every several hours are California, Colorado, Illinois, Kentucky, Minnesota, Nevada, Oregon and Washington.