According to data reported so far, radioactive iodine is the main contaminant and concentrations in some food samples have been detected at levels above the Japanese regulatory limits.

根据迄今报告的数据，放射性碘是主要污染物，而且一些食物样本中检测到的放射性物质已经超过日本规定的水平。

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The WHO also stressed that melamine is a contaminant that should not be in food, although sometimes it is unavoidable. So the tolerable level of melamine shouldn't be seen as a safe level.

世卫强调，三聚氰胺这种污染物不应在食品中出现，但有时无法避免，所以这是耐受标准而不是安全标准。

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For the improvement of the standard system of rice noodles, the main problems in the present three rice noodle standards, such as contaminant residues and food additives, were investigated.

从完善我国米粉标准体系的角度，对米粉现有的三个标准在重要安全限量、食品添加剂等方面存在的问题进行了分析。

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The norovirus is the most common food contaminant that makes people sick, with symptoms including diarrhea, vomiting and nausea.

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Mixing it up reduces the chances that you are getting too much of a single contaminant, he says, adding that the lower one eats on the food chain, the less of an impact one has.

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