SMOKE EMISSIONS REFERENCE APPLICATION (SERA)

Emission Factors by Pollutant | Smoke Emissions References | Change Log

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Emission Factor Summaries: Showing all 293 pollutants, across all categories (excluding outliers and slash)
Pollutant Formula Pollutant Category Molecular Wt Count EF (g/kg)
Mean		 EF (g/kg)
SD		 MCE (0-1)
Mean		 MCE (0-1)
SD
Primary Gases/Aerosols
ammonia NH3 inorganic gases 17.031 199 1.386 1.445 0.910 0.059
carbon dioxide CO2 inorganic gases 44.009 599 1,605.958 154.744 0.906 0.047
carbon monoxide CO inorganic gases 28.01 642 99.007 49.815 0.901 0.056
methane CH4 16.043 481 4.657 3.456 0.904 0.047
nitric oxide NO nitrogen oxides 30.006 186 2.148 1.600 0.928 0.038
nitrogen dioxide NO2 nitrogen oxides 46.005 154 1.165 0.857 0.935 0.027
nitrogen oxides NOx nitrogen oxides 96 2.935 1.943 0.891 0.090
particulate matter 2.5µm PM2.5 particulate matter 408 18.365 14.045 0.904 0.051
sulfur dioxide SO2 inorganic gases 64.058 121 1.132 0.714 0.927 0.033
Other Gases/Aerosols
1,1,2,2-tetrachloroethane C2H2Cl14 haloalkanes 167.838 1 0.005 0.000 0.886 0.000
1,1-dichloro-1-fluoroethane CH3CClF2 haloalkanes 116.944 2 3.250 1.850 0.900 0.023
1,1-difluoroethane C2H4F2 haloalkanes 66.051 2 1.750 0.650 0.900 0.023
1,2,3-trimethylbenzene C9H12 aromatics 120.195 7 0.041 0.023 0.902 0.027
1,2,4-trimethylbenzene C9H12 aromatics 120.195 22 0.020 0.020 0.911 0.037
1,2-dichloroethane C2H4Cl2 haloalkanes 98.954 2 3.100 2.000 0.900 0.023
1,3,5-trimethylbenzene C9H12 aromatics 120.195 17 0.006 0.006 0.911 0.040
1,3-butadiene C4H6 alkynes and alkenes 54.092 59 0.169 0.150 0.910 0.043
1,3-dimethylnaphthalene C12H12 hydrocarbons 156.228 58 0.024 0.024 0.929 0.035
1,4-dichlorobenzene C6H4Cl2 aromatics 146.998 2 0.002 0.002 0.916 0.064
1-butyne C4H6 alkynes and alkenes 54.092 7 0.004 0.002 0.888 0.048
1-chloro-1,1-difluoroethane C2H3ClF2 haloalkanes 100.493 2 2.600 1.300 0.900 0.023
1-heptene C7H14 alkynes and alkenes 98.189 7 0.039 0.029 0.888 0.048
1-octene C8H16 alkynes and alkenes 112.216 7 0.041 0.037 0.888 0.048
1-pentene C5H10 alkynes and alkenes 70.135 9 0.041 0.032 0.890 0.044
2 cyclopenten 1-one C5H6O enones 82.102 12 0.143 0.130 0.904 0.028
2(5h)-furanone C4H4O2 lactones 84.074 3 0.096 0.006 0.000 0.000
2+3-methylpentane C6H14 alkanes 3 4.073 3.341 0.897 0.019
2,2,4-trimethylpentane C8H18 114.23 1 0.005 0.000 0.852 0.000
2,3-dimethylbutane C6H14 alkanes 86.178 5 1.283 1.936 0.865 0.043
2,5-dimethylbenzaldehyde C9H10O 134.17 1 0.489 0.000 0.890 0.000
2,5-dimethylfuran C6H8O furans 96.129 7 0.101 0.132 0.888 0.048
2-(3h)furanone C4H4O2 furanones 84.074 58 0.387 0.293 0.929 0.035
2-acetylfuran C6H6O2 furans 110.112 5 0.032 0.013 0.000 0.000
2-butanone C4H8O ketones 72.107 23 0.097 0.063 0.911 0.036
2-butyl nitrate C4H9NO3 nitrogen-containing organics 119.12 2 2.250 0.350 0.900 0.023
2-butyne C4H6 alkynes and alkenes 54.092 7 0.003 0.002 0.888 0.048
2-ethenyl benzofuran C10H8O furans 144.173 57 0.018 0.014 0.929 0.035
2-ethylfuran C6H8O furans 96.129 7 0.021 0.022 0.888 0.048
2-ethyltoluene C9H12 aromatics 120.195 7 0.013 0.008 0.888 0.048
2-furnmethanol C5H6O2 furans 98.101 2 0.457 0.413 0.000 0.000
2-hexanone ketones 100.161 10 0.005 0.002 0.915 0.038
2-hydroxy-2H-furan-5-one C4H4O3 furanones 100.073 58 0.052 0.052 0.929 0.035
2-methyl-1-butene C5H10 alkynes and alkenes 70.135 6 0.020 0.006 0.904 0.028
2-methyl-2-butene C5H10 alkynes and alkenes 70.135 6 0.023 0.008 0.904 0.028
2-methylpentane C6H14 alkynes and alkenes 86.178 6 0.007 0.002 0.904 0.028
2-methylpropanal C4H8O aldehydes 72.107 6 0.023 0.012 0.904 0.028
2-pentyl nitrate C5H11NO3 nitrogen-containing organics 133.147 2 5.150 0.050 0.900 0.023
2-propanol C3H8O alcohols 60.096 4 0.004 0.002 0.890 0.029
3-buten-1-amine C4H9N amines 71.123 56 0.001 0.001 0.930 0.035
3-ethyltoluene C9H12 aromatics 120.195 8 0.074 0.094 0.888 0.045
3-furaldehyde C5H4O2 furans 96.085 6 0.818 0.599 0.000 0.000
3-methyl-1-butene C5H10 alkynes and alkenes 70.135 6 0.013 0.002 0.904 0.028
3-methyl-2-butanone C5H10O ketones 86.134 7 0.033 0.039 0.888 0.048
3-methyl-2-butyl nitrate C5H11NO3 nitrogen-containing organics 133.147 2 3.900 2.800 0.900 0.023
3-methyl-3-buten-2-one C5H8O enones 84.118 7 0.122 0.162 0.888 0.048
3-methylacetophenone C9H10O 134.178 58 0.041 0.032 0.929 0.035
3-methylbutanal C5H10O aldehydes 86.134 7 0.070 0.098 0.888 0.048
3-methylpentane C6H14 alkanes 86.178 7 0.004 0.003 0.888 0.048
3-pentyl nitrate C5H11NO3 nitrogen-containing organics 133.147 2 4.400 0.000 0.900 0.023
4-carene C10H16 cycloalkenes 136.238 6 0.052 0.064 0.893 0.050
4-ethyltoluene C9H12 aromatics 120.195 15 0.009 0.004 0.913 0.035
4-methyl-2-pentanone C6H12O ketones 100.161 11 0.002 0.002 0.909 0.040
4-pyridone C5H5NO pyridones 95.101 56 0.010 0.011 0.930 0.035
5-(hydroxymethyl)-2-furfural C6H6O3 126.111 57 0.297 0.258 0.931 0.029
5-hydroxymethyl-2[3h]-furanone C5H6O3 114.1 58 0.200 0.180 0.929 0.035
5-methyl-2-furaldehyde C6H6O2 aldehydes 110.112 6 0.198 0.154 0.000 0.000
acenaphthene C12H10 aromatics 154.212 3 0.000 0.000 0.936 0.034
acenaphthylene C12H8 aromatics 152.196 60 0.009 0.008 0.930 0.035
acetaldehyde C2H4O aldehydes 44.053 66 0.936 0.734 0.924 0.038
acetamide C2H5NO amides 59.068 55 0.042 0.049 0.932 0.031
acetic acid C2H4O2 carboxylic acids 60.052 139 2.060 1.780 0.923 0.042
acetic anhydride C4H6O3 anhydrides 102.089 58 0.092 0.074 0.929 0.035
acetol C3H6O2 ketones 74.079 80 0.767 0.580 0.928 0.032
acetone C3H6O ketones 58.08 60 0.403 0.356 0.927 0.036
acetonitrile C2H3N nitrogen-containing organics 41.053 75 0.092 0.074 0.927 0.033
acetylene C2H2 alkynes and alkenes 26.038 270 0.667 0.709 0.925 0.035
acrolein C3H4O aldehydes 56.064 81 0.695 0.485 0.923 0.038
acrylonitrile C3H3N nitrogen-containing organics 53.064 80 0.028 0.021 0.923 0.038
allylamine C3H7N amines 57.096 56 0.003 0.003 0.930 0.035
alpha-pinene C10H16 terpenes 136.238 22 0.048 0.034 0.916 0.034
ammonium NH4+ ions 18.039 57 0.088 0.109 0.873 0.094
anthracene C14H10 aromatics 178.234 3 0.001 0.000 0.936 0.034
benzaldehyde C7H6O aldehydes 106.124 58 0.079 0.055 0.929 0.035
benzene C6H6 aromatics 78.114 84 0.358 0.256 0.923 0.036
benzofuran C8H6O furans 118.135 58 0.038 0.029 0.929 0.035
benzoic acid C7H6O2 aromatics 122.123 1 0.070 0.000 0.000 0.000
benzonitrile C7H5N aromatics 103.124 61 0.022 0.021 0.930 0.032
benzo[a]anthracene C18H12 aromatics 228.294 3 0.000 0.000 0.936 0.034
benzo[a]pyrene C20H12 aromatics 252.316 11 0.000 0.000 0.936 0.034
benzo[b]fluoranthene C20H12 aromatics 252.316 3 0.000 0.000 0.936 0.034
benzo[ghi]perylene C22H12 aromatics 276.338 3 0.000 0.000 0.936 0.034
benzo[k]fluoranthene C20H12 aromatics 252.316 3 0.000 0.000 0.936 0.034
beta-pinene C10H16 terpenes 136.238 10 0.190 0.255 0.890 0.042
black carbon BC carbon 116 0.905 0.750 0.926 0.034
Bromine 2 0.000 0.000 0.883 0.006
brown carbon BrC carbon 19 1.131 0.386 0.917 0.016
butadiene hydroxynitrates C4O4H7N nitrogen-containing organics 2 0.015 0.003 0.900 0.023
butane C4H10 alkanes 58.124 15 0.080 0.057 0.902 0.026
butene hydroxynitrates C4O4H9N nitrogen-containing organics 2 0.029 0.005 0.900 0.023
butyl acetate C6H12O2 esters 116.16 1 0.000 0.000 0.904 0.000
butyraldehyde C4H8O aldehydes 72.107 8 0.055 0.048 0.888 0.045
butyric acid C4H8O2 fatty acids 88.106 4 0.074 0.042 0.000 0.000
C4-dihydroxycarbonyls C4O3H8 aerosol 2 0.048 0.028 0.900 0.023
C4-hydroxydicarbonyls/C5-alkenediols C4O3H6/C5O2H10 aerosol 2 0.105 0.015 0.900 0.023
calcium Ca 40.078 2 0.296 0.158 0.883 0.006
camphene C10H16 alkanes 136.238 4 0.279 0.276 0.875 0.054
carbon disulfide CS2 organosulfur compounds 76.131 6 0.001 0.001 0.892 0.037
carbon suboxide C3O2 carbon oxides 68.031 57 0.003 0.002 0.928 0.035
carbon tetrachloride CCl4 haloalkanes 153.811 2 0.000 0.000 0.901 0.027
carbonyl sulfide COS sulfides 60.07 12 0.146 0.176 0.888 0.045
chloride Cl- ions 35.45 35 0.714 1.192 0.922 0.028
chlorine Cl 35.45 2 0.018 0.005 0.883 0.006
chloroethane C2H5Cl haloalkanes 64.512 3 0.003 0.002 0.906 0.054
chrysene C18H12 aromatics 228.294 3 0.000 0.000 0.936 0.034
cis-2-butene C4H8 alkynes and alkenes 56.108 9 0.045 0.048 0.892 0.044
cis-2-pentene C5H10 alkynes and alkenes 70.135 7 0.014 0.011 0.888 0.048
creosol C8H10O2 aromatics 138.166 62 0.275 0.266 0.931 0.029
crotonic acid C4H6O2 fatty acids 86.09 3 0.036 0.004 0.000 0.000
cumene C9H12 aromatics 120.195 17 0.003 0.003 0.909 0.040
cyclohexane C6H12 alkynes and alkenes 84.162 4 0.003 0.003 0.890 0.029
d-limonene C10H16 terpenes 136.238 16 0.050 0.033 0.919 0.035
decanal C10H20O aldehydes 156.269 57 0.002 0.002 0.929 0.035
diacetyl C4H6O2 diones 86.09 1 2.100 0.000 0.935 0.000
dibenz[a,h]anthracene C22H14 aromatics 278.354 2 0.000 0.000 0.938 0.042
dibromomethane CH2Br2 haloalkanes 173.835 2 1.800 0.200 0.900 0.023
dichlorodifluoromethane CCl2F2 haloalkanes 120.908 4 0.005 0.004 0.889 0.000
dichloromethane CH2Cl2 haloalkanes 84.927 7 0.003 0.005 0.902 0.039
dihydronaphthalene C10H10 hydrocarbons 130.19 58 0.030 0.029 0.929 0.035
dimethyl disulfide C2H6S2 sulfides 94.19 57 0.002 0.002 0.929 0.035
dimethyl sulfide C2H6S sulfides 62.13 62 0.003 0.004 0.926 0.035
dimethyl trisulfide C2H6S3 sulfides 126.25 51 0.001 0.001 0.930 0.030
dimethylbenzofuran C10H10O furans 146.189 58 0.043 0.034 0.929 0.035
elemental carbon EC carbon 53 1.153 1.246 0.868 0.097
ethanal nitrate C2O4H3N nitrate esters 2 2.750 0.150 0.900 0.023
ethane C2H6 alkanes 30.07 66 0.383 0.197 0.927 0.019
ethanol C2H6O alcohols 46.069 67 0.048 0.042 0.921 0.038
ethenamine C2H5N imines 43.069 58 0.006 0.007 0.929 0.035
ethene C2H4 alkynes and alkenes 28.054 247 0.935 0.798 0.925 0.037
ethene hydroxynitrate C2O4H5N nitrate esters 2 4.259 4.241 0.900 0.023
ethyl acetate C4H8O2 ethyl esters 88.106 1 0.002 0.000 0.904 0.000
ethyl nitrate C2H5NO3 ethyl esters 91.066 2 2.400 1.100 0.900 0.023
ethylbenzene C8H10 aromatics 106.168 26 0.034 0.023 0.906 0.042
ethylindene C11H12 144.217 57 0.016 0.019 0.931 0.029
ethylnylpyrrole C6H6 58 0.002 0.002 0.929 0.035
eugenol C10H12O2 aromatics 164.204 1 0.080 0.000 0.000 0.000
fluoranthene C16H10 aromatics 202.256 3 0.001 0.000 0.936 0.034
fluorene C13H10 aromatics 166.223 3 0.001 0.000 0.936 0.034
formaldehyde H2CO aldehydes 30.026 195 1.556 0.906 0.925 0.038
formamide CH3NO amides 45.041 56 0.011 0.011 0.930 0.035
formic acid HCOOH carboxylic acids 46.025 176 0.275 0.256 0.931 0.030
furan C4H4O furans 68.075 172 0.341 0.338 0.923 0.041
furfural C5H4O2 furans 96.085 62 0.693 0.448 0.929 0.032
gamma-butyrolactone C4H6O2 furans 86.09 2 0.070 0.010 0.000 0.000
glycolaldehyde C2H4O2 aldehydes 60.052 65 0.612 0.465 0.931 0.028
glyoxal C2H2O2 dialdehydes 58.036 57 0.268 0.232 0.930 0.032
guaiacol C7H8O2 aromatics 124.139 62 0.399 0.380 0.931 0.029
heptane C7H16 alkanes 100.205 25 0.010 0.010 0.910 0.035
hexanal C6H12O 100.161 1 2.764 0.000 0.890 0.000
hexane C6H14 alkanes 86.178 25 0.012 0.011 0.910 0.035
hydrogen chloride HCl inorganic gases 36.458 30 0.125 0.168 0.940 0.020
hydrogen cyanide HCN nitrogen-containing organics 27.026 180 0.410 0.401 0.924 0.040
hydrogen peroxide H2O2 peroxides 34.014 2 0.600 0.420 0.900 0.023
hydrogen sulfide H2S sulfides 34.076 53 0.013 0.012 0.934 0.028
hydroperoxy acetone C3O3H6 organic peracids 2 0.087 0.044 0.900 0.023
hydroperoxymethanol CO3H4 peroxides 64.04 2 0.189 0.141 0.900 0.023
indeno[1,2,3-cd]pyrene C22H12 aromatics 276.338 3 0.000 0.000 0.936 0.034
iron 2 0.025 0.020 0.883 0.006
isoamyl cyanide C6H11N 97.161 55 0.002 0.003 0.932 0.031
isobutane C4H10 alkanes 58.124 9 0.015 0.007 0.902 0.026
isobutylene C4H8 alkynes and alkenes 56.108 18 0.097 0.043 0.902 0.026
isocyanic acid HNCO 43.025 58 0.532 0.335 0.929 0.035
isopentane C5H12 alkanes 72.151 9 0.017 0.021 0.887 0.043
isoprene C5H8 terpenes 68.119 87 0.150 0.147 0.913 0.047
isoprene hydroperoxyaldehydes C5O3H8 aldehydes 2 0.170 0.010 0.900 0.023
isoprene hydroxy hydroperoxides C5O3H10 hydroperoxides 2 0.076 0.034 0.900 0.023
isoprene hydroxynitrates C5O4H9N hydroxynitrates 2 0.017 0.004 0.900 0.023
isopropyl nitrate C3H7NO3 nitrogen-containing organics 105.093 2 4.550 1.250 0.900 0.023
m,p-cresol C7H8O aromatics 5 0.061 0.019 0.000 0.000
m-, p-tolualdehyde 1 0.214 0.000 0.890 0.000
m-, p-xylene C8H10 aromatics 19 0.061 0.031 0.912 0.037
m-xylene C8H10 aromatics 106.168 6 0.064 0.030 0.904 0.028
manganese 54.93804 2 0.008 0.003 0.883 0.006
methacrolein C4H6O aldehydes 70.091 7 0.038 0.004 0.902 0.027
methanediol CH4O2 diols 48.041 57 0.001 0.000 0.931 0.032
methanethiol CH4S organosulfur compounds 48.103 54 0.011 0.013 0.932 0.031
methanimine CH3N imines 29.042 48 0.001 0.001 0.932 0.026
methanol CH3OH alcohols 32.042 206 1.375 1.221 0.924 0.040
methenamine C6H12N4 amines 140.19 3 0.180 0.091 0.000 0.000
methyl acetoacetate C5H8O3 methyl ethers 116.116 5 0.135 0.062 0.000 0.000
methyl benzeneacetonitrile C9H9N nitriles 131.178 56 0.004 0.005 0.930 0.035
methyl benzofuran C9H8O furans 132.162 57 0.055 0.040 0.928 0.035
methyl benzoic acid C8H8O2 benzoic acids 136.15 58 0.083 0.062 0.929 0.035
methyl bromide CH3Br haloalkanes 94.939 9 0.002 0.001 0.911 0.038
methyl chavicol C10H12O phenylpropene 148.205 57 0.026 0.024 0.929 0.035
methyl chloride CH3Cl haloalkanes 50.485 23 0.021 0.014 0.912 0.037
methyl iodide CH3I haloalkanes 141.939 2 3.700 1.800 0.900 0.023
methyl methacrylate C5H8O2 methyl ethers 100.117 7 0.004 0.001 0.905 0.032
methyl naphthalene C11H10 aromatic hydrocarbons 142.201 58 0.033 0.032 0.929 0.035
methyl nitrate CH3NO3 methyl ethers 77.039 2 1.500 0.200 0.900 0.023
methyl propanoate C4H8O2 aromatics 88.106 58 0.081 0.066 0.929 0.035
methyl tert-butyl ether C5H12O ethers 88.15 1 0.000 0.000 0.904 0.000
methyl vinyl ketone C4H6O ketones 70.091 8 0.114 0.105 0.888 0.045
methyl vinyl ketone/methacrolein hydroxynitrates C4O5H7N hydroxynitrates 2 0.021 0.004 0.900 0.023
methyl vinyl ketone/methacrolein/crotonaldehyde C4H6O aldehydes 2 0.330 0.040 0.900 0.023
monoterpenes C10H16 terpenes 66 0.993 1.291 0.926 0.035
myrcene C10H16 terpenes 136.238 3 0.060 0.040 0.856 0.049
n-decane C10H22 alkanes 142.286 4 0.040 0.027 0.861 0.047
naphthalene C10H8 aromatics 128.174 76 0.060 0.047 0.927 0.036
nitrate NO3- ions 62.004 57 0.110 0.112 0.874 0.094
nitrobenzene C6H5NO2 aromatics 123.111 58 0.007 0.006 0.929 0.035
nitroethane C2H5NO2 75.067 58 0.001 0.001 0.929 0.035
nitroethene C2H3NO2 nitroalkenes 73.051 57 0.001 0.001 0.929 0.035
nitromethane CH3NO2 nitrogen-containing organics 61.04 64 0.059 0.039 0.925 0.039
nitrotoluene C7H7NO2 137.138 55 0.006 0.006 0.932 0.031
nitrous acid HNO2 inorganic gases 47.013 159 0.495 0.234 0.932 0.028
nitrous oxide N2O nitrogen oxides 44.013 5 0.230 0.067 0.000 0.000
nitroxyhydroperoxide/ nitroxyhydroxyepoxide C5O5H9N peroxides 2 0.019 0.002 0.900 0.023
nonane C9H20 alkanes 128.259 14 0.006 0.006 0.911 0.037
nonmethane hydrocarbons NMHC hydrocarbons 158 4.111 2.685 0.886 0.053
nonmethane organic compounds NMOC organic compounds 10 18.874 13.863 0.904 0.048
o-xylene C8H10 xylenes 106.168 25 0.021 0.012 0.910 0.035
octane C8H18 alkanes 114.232 16 0.010 0.009 0.908 0.038
organic aerosol OA aerosol 8 13.901 8.741 0.927 0.022
organic carbon OC carbon 53 12.744 14.406 0.893 0.062
orthocresol C7H8O aromatics 108.14 5 0.028 0.011 0.000 0.000
ozone O3 ozone 47.997 4 6.348 4.980 0.000 0.000
p-cymene C10H14 aromatics 134.222 3 0.422 0.409 0.856 0.049
p-xylene C8H10 xylenes 106.168 7 0.038 0.024 0.888 0.048
particle-bound polycyclic aromatic hydrocarbons PPAH aromatics 8 0.008 0.005 0.887 0.084
particulate matter 10µm PM10 particulate matter 9 8.702 3.036 0.888 0.031
particulate matter 2µm PM2 particulate matter 6 21.233 11.530 0.000 0.000
particulate matter 3.5µm PM3.5 particulate matter 6 17.733 4.243 0.000 0.000
particulate matter 48µm PM48 particulate matter 6 25.967 12.269 0.000 0.000
particulate matter < 1µm PM1 particulate matter 3 26.033 5.024 0.912 0.025
pentane C5H12 alkanes 72.151 9 0.027 0.014 0.902 0.026
peracetic acid C2H4O3 organic peroxides 76.051 2 0.243 0.198 0.900 0.023
phenanthrene C14H10 aromatics 178.234 3 0.003 0.000 0.936 0.034
phenol C6H6O aromatics 94.113 129 0.616 0.507 0.928 0.034
phenylacetonitrile C8H7N nitriles 117.151 56 0.009 0.010 0.930 0.035
phenylacetylene C8H6 hydrocarbons 102.136 58 0.011 0.012 0.929 0.035
phosphorus 30.973762 2 0.012 0.005 0.883 0.006
polychlorinated dibenzo-p-dioxins PCDD dioxins 13 0.000 0.000 0.000 0.000
polychlorinated dibenzofurans PCDF furans 14 0.000 0.000 0.000 0.000
potassium 2 0.185 0.036 0.883 0.006
potassium cation K+ ions 39.098 31 0.476 0.487 0.923 0.028
propane C3H8 alkanes 44.097 64 0.144 0.101 0.925 0.021
propanone nitrate C3O3H5N nitrate esters 2 4.000 0.500 0.900 0.023
propene C3H6 alkynes and alkenes 42.081 283 0.612 0.494 0.924 0.035
propene hydroxynitrates C3O4H7N hydroxynitrates 2 0.021 0.006 0.900 0.023
propiolic acid C3H2O2 carboxylic acids 70.047 58 0.009 0.006 0.929 0.035
propiolonitrile C3HN nitriles 51.048 58 0.001 0.001 0.929 0.035
propionaldehyde C3H6O aldehydes 58.08 21 0.621 0.400 0.909 0.033
propionic acid C3H6O2 fatty acids 74.079 5 0.229 0.114 0.000 0.000
propionitrile C3H5N nitriles 55.08 57 0.014 0.016 0.929 0.035
propyl nitrate C3H7NO3 propyl esters 105.093 2 4.450 2.850 0.900 0.023
propylbenzene C9H12 aromatics 120.195 16 0.005 0.003 0.911 0.035
propynal C3H2O aldehydes 54.048 58 0.029 0.019 0.929 0.035
propyne C3H4 alkynes and alkenes 40.065 62 0.050 0.031 0.918 0.032
pyrene C16H10 aromatics 202.256 3 0.001 0.000 0.936 0.034
pyridine C5H5N aromatics 79.102 4 0.063 0.080 0.000 0.000
pyruvaldehyde C3H4O2 aldehydes 72.063 1 0.300 0.000 0.000 0.000
pyruvic acid C3H4O3 alpha-keto acids 88.062 58 0.010 0.007 0.929 0.035
quinone C6H4O2 aromatics 108.096 57 0.087 0.051 0.931 0.029
salicylaldehyde C7H6O2 aromatics 122.123 59 0.066 0.051 0.929 0.035
sodium cation Na+ ions 22.99 10 0.097 0.081 0.921 0.021
strontium 87.62 2 0.003 0.001 0.883 0.006
styrene C8H8 aromatics 104.152 81 0.074 0.068 0.922 0.039
sulfate SO4(2-) ions 96.056 35 0.278 0.190 0.922 0.028
sulfinylmethanamine CH3NOS amines 77.101 57 0.000 0.000 0.929 0.035
sulfur 32.07 2 0.027 0.000 0.883 0.006
syringol C8H10O3 aromatics 154.165 56 0.037 0.028 0.929 0.035
terpenes terpenes 8 3.403 4.045 0.893 0.047
tetrachloroethylene C2Cl4 165.8 1 0.000 0.000 0.852 0.000
tetrahydrofuran C4H8O cyclic ethers 72.107 11 0.003 0.003 0.909 0.040
thiophene C4H4S aromatics 84.136 58 0.014 0.011 0.929 0.035
toluene C7H8 aromatics 92.141 84 0.230 0.196 0.922 0.038
total carbon TC carbon 7 12.700 5.107 0.905 0.021
total hydrocarbon THC hydrocarbons 35 6.564 4.218 0.000 0.000
total particulate matter PM particulate matter 181 21.905 17.462 38.291 43.168
trans-2-butene C4H8 alkynes and alkenes 56.108 9 0.056 0.061 0.892 0.044
trans-2-pentene C5H10 alkynes and alkenes 70.135 7 0.026 0.023 0.888 0.048
trichloroethylene C2H13 131.38 1 0.000 0.000 0.852 0.000
trichlorofluoromethane CCl3F 137.36 1 0.001 0.000 0.852 0.000
trimethylamine C3H9N amines 59.112 56 0.002 0.003 0.930 0.035
vanillin C8H8O3 aromatics 152.149 62 0.142 0.134 0.931 0.029
vinyl acetate C4H6O2 vinyl esters 86.09 19 0.346 0.245 0.923 0.035
vinyl acetylene C4H4 enynes 52.076 58 0.049 0.035 0.929 0.035
vinyl chloride C2H3Cl hydrocarbons 62.496 3 0.000 0.000 0.912 0.053
vinyl guaiacol C9H10O2 aromatics 150.177 58 0.152 0.157 0.929 0.035
vinylpyridine C7H7N pyridines 105.14 58 0.003 0.004 0.929 0.035
water H2O oxidanes 18.015 55 0.656 0.383 0.932 0.031
xylenes C8H10 xylenes 10 0.083 0.028 0.915 0.038
zinc 65.4 2 0.003 0.001 0.883 0.006