因放射性污染风险，沃尔玛召回在美国多州销售的冷冻虾

Core Viewpoint - The U.S. Food and Drug Administration (FDA) has ordered Walmart to recall three batches of its private label frozen shrimp due to potential radioactive contamination risks [1][3]. Group 1: Regulatory Action - The FDA detected radioactive isotope cesium-137 in samples from a shrimp supplier in Indonesia, which is linked to Walmart's private label frozen shrimp [3]. - The level of cesium-137 found in the frozen shrimp was 68 becquerels per kilogram, significantly below the FDA's intervention threshold of 1200 becquerels per kilogram [3]. Group 2: Company Response - Walmart has promptly removed and recalled the affected batches of its Great Value brand frozen shrimp, which were sold in 13 states across the U.S. [5]. - The company is collaborating with suppliers to conduct an investigation into the source of the contamination [5].