Skip to main content
. 2020 Jun 15;17:27. doi: 10.1186/s12989-020-00355-1

Table 2.

Organic compounds from wood combustion emissions. Organic compounds were sampled over 4-h exposure. Concentrations are calculated as averages from three test cycles ± standard deviation

Parameter TEF spruce (μg m-3) TEQ pine (μg m-3) TEQ
PAH
 Benzo [a]pyrene 1 2.10 ± 0.79 2.1 6.6 ± 3.4 6.6
 Dibenz [ah]anthracene 1 0.13 ± 0.039 0.13 0.42 ± 0.043 0.42
 Dibenzo [al]pyrene 10 1 ± 0.48 10 2.7 ± 1.4 27
 Dibenzo [ae]pyrene 1 0.33 ± 0.21 0.33 0.76 ± 0.67 0.76
 Dibenzo [ai]pyrene 10 0.13 ± 0.06 1.3 0.36 ± 0.37 3.6
 Dibenzo [ah]pyrene 10 0.091 ± 0.051 0.91 0.2 ± 0.21 2
alkyl-PAH
 9-Methylphenanthrene 0.29 ± 0.42 0.41 ± 0.58
 3,6-Dimethylphenanthrene 0.005 ± 0.008 0.006 ± 0.009
 Retene 0.26 ± 0.21 0.61 ± 0.03
 7,12-Dimethyl-Benzo [a]anthracene 0.14 ± 0.075 0.21 ± 0.3
 1-Methylbenzo [a]anthracene 0.018 ± 0.011 0.033 ± 0.047
o-PAH
 9H-Fluoren-9-one 12 ± 6.6 38 ± 27
 1H-Phenalen-1-one 85 ± 22 180 ± 130
Carbonyls
 formaldehyde 377 ± 49 311 ± 28
 acetaldehyde 206 ± 64 152 ± 21
 acrolein 16.6 ± 1.2 14.9 ± 0.7
Anhydrosugars
 Galactose 0.095 ± 0.04 0.35 ± 0.15
 Mannose 0.28 ± 0.053 0.62 ± 0.13
 Levoglucose 3.5 ± 1.9 4.9 ± 3.6
Resin acids
 Isopimaric acid 0.005 ± 0.006 0.003 ± 0.002
 Dehydroabietic acid, methyl ester 0.029 ± 0.029 0.049 ± 0.007
 Dehydroabietic acid 1.1 ± 1 1.4 ± 0.25
 Abietic acid 0.012 ± 0.004 0.024 ± 0.006

TEF Toxic Equivalency Factor, TEQ Toxic Equivalents.