“Business is booming — partly because IEH clients consider testing to be a gatekeeper defense in a multitiered food economy without borders. “We’re a lot more concerned about imports,” Mr. Samadpour says, because of “lack of accountability, lack of infrastructure, lack of a culture of food safety.” He says episodes like the 2008 discovery of the toxic chemical melamine in infant formula from China have contributed to a gradual shift in food manufacturers’ attitudes toward imports.” – NYT