Moyer Packing Company (MOPAC) today announced it is voluntarily recalling 346,700 pounds of ground beef produced on July 11, 2000, at their Souderton, Pa., facility because of possible contamination with E. coli O157:H7. No illnesses have been associated with this product.During sampling by the United States Department of Agriculture (USDA), a small amount of ground beef produced on July 11, 2000 was found to contain E.