某焦化厂空气中PAHs的污染现状及健康风险评价

被引:33
作者
王静
朱利中
沈学优
机构
[1] 浙江大学环境科学系
[2] 浙江大学环境科学系 杭州
关键词
空气; PAHs; 风险评价; 焦化厂;
D O I
10.13227/j.hjkx.2003.01.024
中图分类号
X511 [气相污染物];
学科分类号
0706 ; 070602 ;
摘要
采集并分析了焦化厂不同生产工段环境空气中 1 2种PAHs的浓度 .结果表明 ,在某焦化厂区 ,1 2种PAHs浓度之和为 1 1 75~ 4 6 66μg/m3 ,其中BaP为 0 0 5 0~ 1 0 5 4 μg/m3 ;PAHs浓度大小依次为 :出焦处 >焦炉顶>大门口 >熄焦处 ,焦炉顶和出焦处空气中BaP浓度远高于煤烟和交通干线 .用毒性相当因子矫正后的焦化厂区PAHs浓度为 0 3 875~ 1 71 4 μg/m3 .矫正后的厂区工人日PAHs暴露率为 3 1 0 0~ 1 3 71 μg/m3 .
引用
收藏
页码:135 / 138
页数:4
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