然而，根据国家海洋和大气管理局的海洋废弃物方案，海啸产生的碎片受放射性物质污染是非常不可能的。
However, it's highly unlikely the tsunami-generated debris would be contaminated with radioactive material, according to the National Oceanic and Atmospheric Administration's Marine debris program.
虽然如此，美国国家海洋和大气管理局还是进行了飞行行动以研究这条垃圾带，有两个研究小组最近航行前往收集废弃物和水质样品。
Still, NOAA conducts 47 flyovers to study the garbage patch, and two research teams recently sailed there to collect debris and water samples.
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