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[单选题]
当现场硫化氢浓度达到15mg£¯m3<£¯sup>(10ppm)时应启动应急程序,现场的()人员撤入安全区。
A.非作业
B.非应急
C.作业
D.所有
查看答案
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A.非作业
B.非应急
C.作业
D.所有
A.10ppm(或15mg/m3)
B. 20ppm(或30mg/m3 )
C.100ppm(或150mg/m3 )
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
A.迅速打开排风扇
B.疏散下风向人员
C.戴上防护用具、进入紧急状态
D.立即实施应急方案
A.10mg/m³(15ppm)
B.20mg/m³(30ppm)
C.30mg/m³(20ppm)
D.15mg/m³(10ppm)