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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中国消费者报报道记者李建）日前，河北省消保委发布公共场所停车服务情况调查报告。调查显示，92%的参与者对停车场的整体情况选择了“满意”，满意率较高，收费过高、停车秩序混乱、车位

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