题目内容
(请给出正确答案)
[多选题]
当硫化氢浓度达到15mg/m3的阈限值时现场应启动应急程序是()
A.立即安排专人观察风向、风速,以便确定受侵害的危险区
B.切断危险区的不防爆电器的电源
C.安排专人佩戴正压式空气呼吸器到危险区检查泄露点
D.非作业人员撤入安全区
答案
ABCD
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A.立即安排专人观察风向、风速,以便确定受侵害的危险区
B.切断危险区的不防爆电器的电源
C.安排专人佩戴正压式空气呼吸器到危险区检查泄露点
D.非作业人员撤入安全区
ABCD
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.150mg/m3(102ppm)
A.5ppm(7.5mg/m3)
B.10ppm(15mg/m3)
C.15ppm(22.5mg/m3)
D.20ppm(30mg/m3)
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.150mg/m3(100ppm)
D.300mg/m3(200ppm)
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.50mg/m3(75ppm)
D.150mg/m3(100ppm)
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)