The products subject to recall include:
* Boxes of "USDA Choice Or HIgher, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/dn s/t."
* Boxes of "USDA Choice Or Higher, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "Swift, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/dn s/t."
* Boxes of "Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "Swift, USDA Select, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/dn s/t
* Boxes of "USDA Select, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "Black Angus, Swift Premium, Beef, USDA Choice Or Higher, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "Black Angus, Swift Premium, Beef, USDA Choice Or Higher, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "Bnls Beef Bottom Sirloin, Butt Ball Tip 2/dn s/t."
* Boxes of "Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."
* Boxes of "USDA Choice Or Higher, Bnls Beef Bottom Sirloin, Butt Ball Tip 2/up s/t."

These beef products were produced on April 21 and 22, 2009, and were shipped to distributors and retail establishments in Arizona, California, Colorado, Florida, Illinois, Michigan, Minnesota, Nebraska, Oregon, South Carolina, Tennessee, Utah and Wisconsin. The problem was discovered through FSIS microbiological sampling and an investigation into the distribution of other products.