Over the years, the quality assurance team at H-E-B has instituted some groundbreaking food monitoring and testing programs:
monitor fruits and vegetables for traces of more than 140 pesticide varieties. Shortly thereafter, the Alar scandal broke, raising the public's awareness of pesticide dangers. Scientists linked Alar, an apple-ripening agent, to cancer.
1994 The retailer started its own program to test ground beef for the potentially dangerous E. coli 0157:H7 bacteria.