垃圾焚烧厂周边空气二英含量水平与暴露风险评估
穆乃花;张素坤;任明忠;李杰;
摘要(Abstract):
通过环境现状监测对广东省某生活垃圾焚烧厂周边环境空气中二英含量水平、来源和人群暴露风险进行了分析和评估。结果表明,所有采样点环境空气中的二英毒性当量浓度范围为0.0510.267 pg I-TEQ/m3,低于我国参照的日本环境空气质量标准限值0.6 pg I-TEQ/m3;来源分析表明,研究区域环境空气二英至少受到机动车尾气和垃圾焚烧厂烟气二英排放等多种源的影响;成人及儿童的二英呼吸暴露量分别为0.0110.267 pg I-TEQ/m3,低于我国参照的日本环境空气质量标准限值0.6 pg I-TEQ/m3;来源分析表明,研究区域环境空气二英至少受到机动车尾气和垃圾焚烧厂烟气二英排放等多种源的影响;成人及儿童的二英呼吸暴露量分别为0.0110.057、0.0190.057、0.0190.102 pg I-TEQ/(kg·d),其风险水平处于可接受范围内。
关键词(KeyWords): 生活垃圾焚烧厂;环境空气;二英;源解析;暴露风险评估
基金项目(Foundation): “863”计划(2011AA060605-03);; 国家环保公益专项(2011467001);; 广东省自然科学基金项目(S2011010005454)
作者(Authors): 穆乃花;张素坤;任明忠;李杰;
DOI: 10.14068/j.ceia.2014.02.013
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