According to CNN Money:  Warehouse club operator pulls items from shelves after routine testing

BJ's Wholesale Club, Inc. said Tuesday it was recalling packages of fresh mushrooms after it a routine inspection revealed the possible presence of the deadly bacteria E. coli.  The warehouse club operator said the products affected were Wellsley Farms brand fresh mushrooms purchased between February 11 and February 19, 2007.  The company, which had not received any reports of illness, said it had removed all the potentially affected products from its shelves as a precaution.