While experts explained that this kind of risk is inherent in a complex food-distribution system, editorialists demanded tighter regulation to make sure it never happens again.
Experts believed that some risks are part of the system while others argued that it should not be.
Each record in the 1989 CCS contains the date of the observation, the 5-Digit ZIP Code in which the route is located, the route type,20 the number of pieces (by subclass and by shape) per stop, the number of possible deliveries and actual deliveries per stop, and the stop type (single delivery residential, multi-delivery residential, and business-and-mixed).