David Walker, senior vice president of logistics, says that electronic monitoring of items from point of origin to the warehouse could boost the chain's operating margin from 11.5% to 12.5%.

FORBES: The logistics of a dinner plate

Stores have been tightly monitoring their popular items and taking care to manage that customers may easily find them.

FORBES: Beat The Crowds Into These 6 Black Friday Retailers

In 2006, new safe drinking water standards were introduced that increase the water quality monitoring parameters from 35 to 106 items.

FORBES: Quenching China's Thirst For Water

Lukas Linne said the agency is monitoring the retailers' withdrawal of these items in accordance with Swedish labeling laws, which stipulate that packaged food can only contain what is marked on the label.

CNN: STORY HIGHLIGHTS