NO
NO
2
ppm
50
0
ppm
200
N
ppm
10
N
ppm
2
2
50
30–
50
122
22–
122
ppm
5
ppm
25
ppm
10
ppm
50
ppm
5
ppm
25
ppm
5
50
4
4
15
15
15
20
ppm
± 0.2
ppm
± 0.3
± 2
± 3
ppm/a
± 1
ppm/a
± 2
± 2
68 10 884
68 11 545
90 23 918
90 33 091
188
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HCN PC
HCN
PH
3
0
ppm
50
0
ppm
50
0
ppm
20
N
ppm
15
50
N
ppm
10
N
ppm
2
2
2
40–
50
20–
50
20–
50
40–
122
4–
122
4–
122
ppm
5
ppm
10
ppm
0.1
ppm
10
ppm
20
ppm
0.2
ppm
5
ppm
10
ppm
0.1
ppm
20
ppm
40
ppm
0.1
4
4
4
15
15
15
15
15
15
ppm
3
ppm
± 0.5
ppm
± 0.02
± 5
± 5
± 2
± 0.2
ppm/a
3
ppm/a
± 2
ppm/a
± 0.05
± 2
± 5
± 2
68
13
165
68 10 887
68 10 886
90
33
428
90 23 921
90 23 920
.(
SO
NH
2
3
300
0
0
ppm
100
0
ppm
0.5
N
ppm
10
N
ppm
50
2
2
20–
50
30–
50
30–
4–
122
22–
122
22–
(2
ppm
1
ppm
50
A1
2 (
ppm
2
ppm
100
A2
(2
ppm
1
ppm
50
A1
(2
ppm
1
ppm
50
A2
4
4
15
15
STEL
15
12
ppm
± 0.1
ppm
± 4
± 2
± 3
[
(
ppm/a
± 1
ppm/a
± 5
± 2
± 2
(1
68 10 885
68 10 888
90 23 919
90 23 922
)
4.12
O
H
2
2
–0.5
–0.04
0.2
–0.2
–0.2
–1
–1.5
TWA
STEL
–0.25
STEL
0.03
0.1
.
:
%]
20
)
:
%]
[
/
S
CO
4 (
2
0.05
0.35
0.03
0.05
0.2
0.04
4
(