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位于美国加利福尼亚州的环境健康中心近期进行了一项有关不同品牌洗发水和香皂的科研实验，结果发现有98个品牌产品中含有一种被称为DEA的致癌成分。对此，加利福尼亚州立刻禁止使用DEA。相关机构在第一时间起

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随着我国对环境空气污染物监测要求的不断提高，多氯联苯PCBs）作为持久性有机污染物POPs）的重要成员，其准确测定对环境保护和公共健康至关重要。为满足HJ 902-2017《环境空气 多氯联苯的测定

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