The U.S. Department of Agriculture issued a recall of more than 167,000 pounds of ground beef Sunday due to an E. coli contamination risk.

The 168,427 pounds of ground beef were produced by Omaha, Neb.-based All American Meats, Inc. and were distributed to locations nationwide. Investigators identified the risk Friday after some meat samples tested positive for E. coli.

The products at risk were produced on Oct. 16, 2015. The following items are subject to recall:

80-lb. (approximate weight) boxes of “Ground Beef 80% Lean 20% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 62100.
80-lb. (approximate weight) boxes of “Ground Beef 73% Lean 27% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 60100.
60-lb. (approximate weight) boxes of “Ground Beef Round 85% Lean 15% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 68560.
60-lb. (approximate weight) boxes of “Ground Beef Chuck 81% Lean 19% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 68160.
60-lb. (approximate weight) boxes of “Ground Beef Chuck 81% Lean 19% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 63130.
80-lb. (approximate weight) boxes of “Ground Beef Chuck 81% Lean 19% Fat (Fine Grind)” with Sell By Date 11-03-2015 and case code 63100.

All affected products have the establishment number EST. 20420 inside the USDA mark of inspection.

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While there have been no reported illnesses linked to consumption, health officials are concerned some consumers may have frozen the beef for later use. Officials urge consumers to throw the product away or return it to their place of purchase.