![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
硫化氢检测仪第三级报警值应设置在危险临界浓度 ()。
A.10mg/m³(15ppm)
B.20mg/m³(30ppm)
C.30mg/m³(20ppm)
D.150mg/m³(100ppm)
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.10mg/m³(15ppm)
B.20mg/m³(30ppm)
C.30mg/m³(20ppm)
D.150mg/m³(100ppm)
A.工作人员在露天安全工作8h可接受的最高浓度
B.为硫化氢检测的二级报警值
C.H 2 S的安全临界浓度为20ppm
D.H 2 S的安全临界浓度为10ppm
E.10ppm等于15mg/m³