The FDA has expanded its recall of frozen shrimp over potential radioactive contamination, now affecting more U.S. states.

The Food and Drug Administration has recalled three more lots of frozen shrimp over concerns the products may be contaminated with a radionuclide (Cesium-137). The recall applies to a limited quantity of Great Value frozen raw shrimp EZ-peel & deveined tail-on 21-25 per pound packages.

A Florida seafood company has issued a voluntary recall of frozen shrimp sold under Walmart’s Great Value brand across 12 states, including Pennsylvania, due to concerns over possible contamination with Cesium-137,