By Grace Aduroja, Chicago Tribune Knight Ridder/Tribune Business News
Jul. 9--The McDonald's restaurant in the Field Museum was closed Tuesday after officials found unacceptable conditions during a routine inspection, said a spokesman for the Chicago Department of Public Health.
City inspectors found that employees of the restaurant used pens to change expiration dates from July 7 to July 9 on 200 cartons of milk, said department spokesman Tim Hadac.
In addition, a floor drain in the food preparation area was backed up with raw sewage, Hadac