Table 2-1. Sensor Response to Interferants
INTER-
FERANT
CONCEN-
TRATION
(PPM)
CO
H
2
S
SO
2
HCN
NO
2
CL
2
HCL
NO
CLO
2
Acetone
1000
0
0
0
0
0
No Data
No Data
No Data
No Data
Acetylene
12000
No Data
0
No Data
No Data
0
No Data
No Data
No Data
No Data
Ammonia
100
0
0
No Data
0
0
0
No Data
No Data
0
Benzene
20
0
0
0
0
0
0
No Data
No Data
0
Carbon
Dioxide
5000
0
0
0
2.5
0
0
No Data
No Data
0
Carbon
Disulfide
15
2
0
No Data
0.1
No Data
0
No Data
No Data
0
Carbon
Monoxide
100
100
7
0.2
1
0
0
3
-3
0
Chlorine
5
0
0
-6
-0.2
4
5
-1
0
2.5
Dimethyl
Sulfide
5
2
0.4
3
-0.2
0
0
No Data
No Data
0
Ethanol
100
115
0
0
0
0
No Data
No Data
No Data
No Data
Ethylene
50
99
0.1
0
-0.3
0
0
No Data
No Data
0
Ethyl Ether
400
3
No Data No Data
No Data
0
No Data
No Data
No Data
No Data
Freon 12
1000
-2
0
No Data
2
0
0
No Data
No Data
0
Freon 113
1000
1
0
No Data
2.4
No Data
No Data
No Data
No Data
No Data
Freon 12Bl
1000
0
0
No Data
No Data
No Data
No Data
No Data
No Data
No Data
Freon 13Bl
1000
0
0
No Data
No Data
No Data
No Data
No Data
No Data
No Data
Hexane
500
0
0
0
0
0
0
No Data
No Data
0
Hydrogen
500
28
0.5
15
0
-15
0
No Data
No Data
0
Hydrogen
Chloride
100
0
0
No Data
No Data
0
No Data
100
4
No Data
Hydrogen
Cyanide
10
5
0
3
10
0
0
2.5
0
0
Hydrogen
Sulfide
10
0
10
0
50
-8
-0.5
4.5
4
-0.25
Isopropanol
50
40
0
0
0
0
0
No Data
No Data
0
Mercaptan
(Ethyl)
5
7
2.7
No Data
6.5
No Data
0
No Data
No Data
0
Mercaptan
(Methyl)
5
7
4.5
No Data
6
No Data
No Data
No Data
No Data
No Data
Methane
50000
0
0
0
1
0
0
No Data
No Data
0
Methanol
50
130
0
0
0.1
0
0
No Data
No Data
0
Methyl Amine
100
0
No Data No Data
No Data
0
No Data
No Data
No Data
No Data
Methyl
Bromide
500
0
No Data
0
No Data
0
No Data
No Data
No Data
No Data
Methyl Ethyl
Ketone
200
0
No Data
0
No Data
0
No Data
No Data
No Data
No Data
Nitric Oxide
100
10
2.2
2
-3
3
2
0
100
1
Nitrogen
Dioxide
10
-2
-8.4
-10
-20
10
12
-1
2
6
Sulfur Dioxide
150
1
4.7
NA
400
0
0
35
7.5
0
Tichloroethylene
1000
0
No Data
0
No Data
No Data
No Data
No Data
No Data
No Data
Chapter 2, Start-up
2-5
