More frozen shrimp has been recalled due to possible contamination with a radioactive chemical known as cesium-137.

The latest recall involves 1- and 2-pound bags of frozen shrimp from Southwind Foods LLC of Carson, California, the Food and Drug Administration said. The products were distributed to retailers in Alabama, Arizona, California, Massachusetts, Minnesota, Pennsylvania, Utah, Virginia and Washington between July 17 and Aug. 8.

Cesium-137, or Cs-137, is a man-made material produced through nuclear reactions and used in medical devices and gauges, according to the Centers for Disease Control and Prevention. Exposure to large amounts can cause burns, acute radiation sickness and even death.

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