"Perchlorate contamination of drinking water is a very serious concern, particularly for infants," said Dr. Anila Jacob, an Environmental Working Group scientist.

“高氯酸盐污染饮用水有很严重的利害关系，特别对于婴幼儿童，”Anila Jacob博士，作为环境工作组的科学家这样说。

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Although microbial contamination of food continues to account for the majority of instances of illness, consumers still have a high level of concern about chemical residues in food.

尽管细菌引起的食物污染仍然是造成疾病的主要原因，消费者们仍然非常担心食物中的化学残留。

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If the vendor is providing assemblies where cleanliness or contamination is of concern, describe the vendors facilities, controls, and processes for accomplishment.

如果卖方所提供的组装关乎清洁或玷污，描述卖方为了完成任务而提供的设备、控制手段和各种程序。

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Muslim News editor Ahmed Versi said any incidents of trace contamination were, nevertheless, "a real concern" for the Muslim community.

BBC: Horsemeat scandal: Public quizzed on contamination

Gene transfer is an age-old concern of farmers, who've learned how to prevent pollen cross-contamination when necessary for commercial reasons.

FORBES: Food Fight