|
Species
|
300 Meter
|
100 Meter
|
|
Species
|
300 Meter
|
100 Meter
|
|
|
Open Path
|
Cell*
|
|
|
Open Path
|
Cell*
|
|
acetaldehyde
|
20
|
30
|
|
hydrocarbon continuum
|
2
|
5
|
|
acetic acid
|
5
|
7 SL
|
|
hydrogen chloride
|
1
|
3
|
|
acetone
|
30
|
10
|
|
hydrogen cyanide
|
5
|
4
|
|
acetonitrile
|
50
|
70
|
|
hydrogen sulfide
|
300
|
500
|
|
acetylene
|
2
|
2
|
|
isobutane
|
2
|
1
|
|
acrolein
|
5
|
7
|
|
isobutanol
|
4
|
6 SL
|
|
acrylic acid
|
10
|
5 SL
|
|
isobutyl acetate
|
5
|
7
|
|
acrylonitrile
|
6
|
10
|
|
isobutylene
|
4
|
4
|
|
ammonia
|
1
|
3 SL
|
|
isoprene
|
4
|
5
|
|
benzene
|
20
|
2**
|
|
isopropanol
|
10
|
10 SL
|
|
1,3-butadiene
|
1
|
3
|
|
isopropyl ether
|
10
|
5
|
|
butane
|
HC
|
|
|
methanol
|
4
|
6 SL
|
|
butanol
|
15
|
20 SL
|
|
methylamine
|
20
|
20 SL
|
|
1-butene
|
10
|
15
|
|
methyl benzoate
|
20
|
30
|
|
cis-2-butene
|
25
|
30
|
|
methyl chloride
|
60
|
80
|
|
trans-2-butene
|
10
|
15
|
|
methylene chloride
|
5
|
8
|
|
butyl acetate
|
5
|
7
|
|
methyl ether
|
10
|
15
|
|
carbon disulfide
|
dry only
|
50
|
|
methyl ethyl ketone
|
40
|
60 SL
|
|
carbon monoxide
|
1
|
4
|
|
methyl isobutyl ketone
|
15
|
25 SL
|
|
carbon tetrachloride
|
2
|
2
|
|
methyl mercaptan
|
40
|
60
|
|
carbonyl sulfide
|
2
|
3
|
|
methyl methacrylate
|
5
|
5
|
|
chlorobenzene
|
10
|
10
|
|
2-methyl propene
|
2
|
4
|
|
chloroethane
|
10
|
15
|
|
morphaline
|
2
|
3
|
|
chloroform
|
2
|
2
|
|
nitric acid
|
1
|
2
|
|
m-cresol
|
20
|
15
|
|
nitric oxide
|
25
|
20
|
|
o-cresol
|
4
|
8
|
|
nitrogen dioxide
|
50
|
50
|
|
p-cresol
|
10
|
15
|
|
nitrous acid
|
5
|
7
|
|
cyclohexane
|
3
|
5
|
|
ozone
|
3
|
5
|
|
1,2-dibromoethane
|
5
|
7
|
|
pentane
|
HC
|
|
|
m-dichlorobenzene
|
3
|
5
|
|
phosgene
|
1
|
2
|
|
o-dichlorobenzene
|
3
|
5
|
|
phosphine
|
2
|
3
|
|
p-dichlorobenzene
|
2
|
3
|
|
propane
|
10
|
10
|
|
1,1-dichloroethane
|
10
|
10
|
|
propanol
|
20
|
30 SL
|
|
1,2-dichloroethane
|
30
|
40
|
|
propionaldehyde
|
10
|
15
|
|
1,1-dichloroehtylene
|
2
|
4
|
|
propylene
|
4
|
10
|
|
dimethylamine
|
20
|
30 SL
|
|
propylene dichloride
|
10
|
15
|
|
dimethyl disulfide
|
10
|
15
|
|
propylene oxide
|
10
|
15
|
|
1,4 dimethyl piperazine
|
3
|
5
|
|
pyridine
|
20
|
20
|
|
1,4 dioxane
|
2
|
3
|
|
silane
|
1
|
1
|
|
ethane
|
10
|
10
|
|
styrene
|
1
|
2
|
|
etanol
|
10
|
10 SL
|
|
sulfur dioxide
|
30
|
30
|
|
ethyl acetate
|
4
|
4
|
|
sulfur hexafluoride
|
<1
|
0.1
|
|
ethylamine
|
20
|
10 SL
|
|
1,1,1,2-tetrachloroethane
|
4
|
6
|
|
ethylbenzene
|
20
|
30**
|
|
1,1,2,2-tetrachloroethane
|
20
|
16
|
|
ethylene
|
1
|
3
|
|
tetrachloroethylene
|
2
|
2
|
|
ethylene oxide
|
10
|
15
|
|
toluene
|
25
|
10**
|
|
ethyl mercaptan
|
50
|
70
|
|
1,1,1-trichloroethane
|
4
|
10
|
|
formaldehyde
|
1
|
1
|
|
1,1,2-trichloroethane
|
10
|
15
|
|
formic acid
|
2
|
3 SL
|
|
trichloroethylene
|
2
|
3
|
|
furan
|
3
|
5
|
|
trimethylamine
|
10
|
15 SL
|
|
halocarb-11 (CCl3F)
|
1
|
1
|
|
1,2,4-trimethylbenzene
|
5
|
7
|
|
halocarb-12 (CCl2F2)
|
1
|
1
|
|
vinyl chloride
|
2
|
4
|
|
halocarb-22 (CHClF2)
|
1
|
1
|
|
m-xylene
|
10
|
10**
|
|
halocarb-113 (CFCl2CF2Cl)
|
2
|
2
|
|
o-xylene
|
20
|
5**
|
|
hexafluoropropene
|
1
|
2
|
|
p-xylene
|
20
|
10**
|
NOTES:
HC => this species would normally be calculated as part of the hydrocarbon continuum
* => The cell measurements assume water drying
** => these species (BETEX compounds) require CO2 scrubbing in addition to drying
SL => these species suffer "slight loses" if H2O drying is used.