题目内容
(请给出正确答案)
[单选题]
固定式和便携式硫化氢监测仪的第一级报警值应设置在(),达到此浓度时启动报警。
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
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A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
A.一级报警响起现场挂绿牌
B.一级报警响起现场挂黄牌
C.二级报警响起现场挂红牌
D.二级报警响起现场挂黄牌