|
Table 2 |
Geometric mean (GM) indoor concentrations, geometric standard deviations (GSD), concentration ranges (ppb) and
indoor/outdoor (I/O) ratio ranges for the VOCs measured in the Calif. Healthy Building Study. |
|
|
Compound |
Chemical
Class |
GM±GSD |
Conc.
Range |
Range
I/O Ratios |
|
|
Benzaldehyde |
OXID |
0.47±2.0 |
<0.1-1.5 |
0.03-1.4 |
|
Benzene |
AROM |
0.98±2.7 |
<0.1-2.7 |
0.25-4.2 |
|
Butyl acetate |
OXID |
0.21±2.8 |
<0.1-1.4 |
0.20-15 |
|
2-Butoxyethanol |
OXID |
1.6±3.7 |
<0.4-27 |
0.18-21 |
|
n-Decane |
ALK |
0.49±3.1 |
<0.1-3.9 |
0.07-4.0 |
|
Dichloromethane |
CHLOR |
0.40±6.7 |
<0.1-41 |
1.0-45 |
|
n-Dodecane |
ALK |
1.5±2.8 |
0.44-24 |
0.27-110 |
|
Ethanol |
OXID |
19±1.8 |
6.4-130 |
1.7-380 |
|
Ethyl acetate |
OXID |
0.34±3.2 |
<0.1-3.0 |
0.94-60 |
|
Ethylbenzene |
AROM |
0.50±1.4 |
0.27-0.98 |
0.48-2.5 |
|
2-Ethyltoluene |
AROM |
0.48±1.7 |
0.21-0.98
|
0.65-7.1 |
|
3/4-Ethyltoluene |
AROM |
0.75±1.6 |
0.35-1.7 |
0.44-2.5 |
|
n-Heptane |
ALK |
0.40±1.4 |
0.16-0.72 |
0.50-2.2 |
|
Hexanal |
OXID |
0.46±1.9 |
<0.2-1.9 |
1.0-19 |
|
n-Hexane |
ALK |
0.55±2.5 |
<0.1-1.6 |
0.26-18 |
|
d-Limonene |
TERP |
1.2±2.3 |
<0.2-5.6 |
0.69-22 |
|
Methylcyclopentane |
ALK |
0.45±1.7 |
0.18-1.2 |
0.49-2.5 |
|
Methylcyclohexane |
ALK |
0.38±1.5 |
0.13-0.76 |
0.60-5.9 |
|
3-Methylhexane |
ALK |
0.34±1.5 |
0.18-0.71 |
0.43-2.4 |
|
n-Nonane |
ALK |
0.36±2.6 |
<0.1-3.6 |
0.13-8.3 |
|
n-Octane |
ALK |
0.32±3.0 |
<0.1-2.7 |
0.26-11 |
|
Pentanal |
OXID |
0.17±3.7 |
<0.1-1.7 |
1.0-33 |
|
n-Pentane |
ALK |
2.5±2.1 |
0.46-8.9 |
0.37-39 |
|
1-Phenylethanone |
OXID |
1.0±1.3 |
0.67-2.8 |
0.60-1.2 |
|
2-Propanol |
OXID |
2.3±4.0 |
<0.2-62 |
0.22-78 |
|
2-Propanone (acetone) |
OXID |
4.3±1.5 |
2.7-12 |
0.96-8.9 |
|
Styrene |
AROM |
0.4±2.2 |
<0.1-0.95 |
0.69-13 |
|
Tetrachloroethene |
CHLOR |
0.42±2.8 |
0.1-2.0 |
0.73-2.8 |
|
Toluene |
AROM |
2.6±1.9 |
0.58-17 |
0.63-5.2 |
|
Trichlorofluoromethane |
CHLOR |
0.75±2.2 |
0.21-6.3 |
0.72-17 |
|
Trichloroethene |
CHLOR |
1.8±2.2 |
0.23-6.9 |
1.7-84 |
|
1,1,1-Trichloroethane |
CHLOR |
4.5±3.5 |
0.1-72 |
0.54-22 |
|
1,2,3-Trimethylbenzene |
AROM |
0.29±3.1 |
<0.1-1.1 |
0.47-14 |
|
1,2,4-Trimethylbenzene |
AROM |
0.76±1.7 |
0.28-1.7 |
0.44-2.7 |
|
1,3,5-Trimethylbenzene |
AROM |
0.38±1.8 |
<0.1-0.69 |
0.63-9.7 |
|
2,2,5-Trimethylhexane |
ALK |
0.14±1.6 |
<0.1-0.31 |
0.29-6.3 |
|
n-Undecane |
ALK |
1.1±2.7 |
<0.1-11 |
<0.1-5.9 |
|
m/p-Xylene |
AROM |
2.12±1.6 |
0.93-4.6 |
0.47-3.7 |
|
o-Xylene |
AROM |
0.66±1.5 |
0.30-1.4 |
0.51-3.3 |
|
TVOC (µg/m3) |
N/A |
510±2.1 |
230-7,000 |
N/A |
|
|
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