|
LOW
|
高
|
时间加权平均值
|
短期暴露极限
|
低
带HYG |
高
带HYG |
*O2
|
19.5
|
23.5
|
n/a
|
n/a
|
19.5
|
23.5
|
*CO
|
351
|
70
|
351
|
4002
|
352
|
70
|
*H2S
|
10
|
20
|
10
|
15
|
10
|
20
|
*SO2
|
2.0
|
4.0
|
2.0
|
5.0
|
2.0
|
4.0
|
*NO2
|
3.0
|
6.0
|
3.0
|
5.0
|
3.0
|
6.0
|
*CL2
|
0.5
|
1.0
|
0.5
|
1.0
|
0.5
|
1.0
|
2
|
0.5
|
2.0
|
0.5
|
1.0
|
0.5
|
2.0
|
NH3
|
25
|
50
|
25
|
35
|
25
|
50
|
HCl
|
2.5
|
5.0
|
2.5
|
5.0
|
2.5
|
5.0
|
HCN
|
5
|
10
|
5
|
5
|
5
|
10
|
NO
|
25
|
50
|
25
|
25
|
25
|
50
|
CO2
|
2.0%
|
3.0%
|
0.5%
|
1.5%
|
2.0%
|
3.0%
|
CH4
|
1.0%
|
1.5%
|
N/A
|
N/A
|
N/A
|
N/A
|
CH4 IR
|
1.5%
|
3.0%
|
N/A
|
N/A
|
N/A
|
N/A
|
爆炸下限
|
10
|
20
|
N/A
|
N/A
|
N/A
|
N/A
|
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