Supplement
Transcrição
Supplement
Supplemental information for: “Positive matrix factorization of PM2.5 – Eliminating the effects of gas/particle partitioning of semivolatile organic compounds” M. Xie1, K. C. Barsanti2, M. P. Hannigan1, S. J. Dutton3, S. Vedal4 1 Department of Mechanical Engineering, College of Engineering and Applied Science, University of Colorado, Boulder, CO 80309, USA 2 Department of Civil and Environmental Engineering, Portland State University, PO Box 751, Portland, OR 97207, USA 3 National Center for Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA 4 Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA 98195, USA Correspondence to: M. Xie ([email protected]) and M.P. Hannigan ([email protected]) Mailing Address: Department of Mechanical Engineering, Engineering Center, 427 UCB Boulder, CO 80309-0427 1 Table S1. Statistics for the total (gas + particle phase) concentration of each SVOC estimated from January 27, 2003 – October 2, 2005 (Full data set). Abbreviation Mean Median 8.05 1.00 1.18 0.56 0.51 1.28 0.65 0.43 0.03 0.38 7.03 0.22 0.97 0.43 0.43 1.20 0.59 0.41 0.01 0.28 Organic molecular makers (ng m-3) Alkanes docosane C22 tricosane C23 tetracosane C24 pentacosane C25 hexacosane C26 heptacosane C27 octacosane C28 nonacosane C29 triacontane C30 hentriacontane C31 dotriacontane* C32 tritriacontane C33 tetratriacontane C34 pentatriacontane C35 hexatriacontane C36 heptatriacontane C37 octatriacontane C38 nonatriacontane* C39 tetracontane* C40 pentadecylcyclohexane cycC21 nonadecylcyclohexane* cycC25 32.8 23.7 5.50 3.73 1.14 1.27 0.79 1.72 0.64 1.78 0.51 0.62 0.45 0.38 0.20 0.16 0.13 0.12 0.09 8.07 0.26 15.1 7.40 2.27 2.02 0.94 1.09 0.54 1.40 0.39 1.30 0.23 0.47 0.31 0.27 0.12 0.08 0.05 0.06 0.04 3.62 0.21 PAHs fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene chrysene/triphenylene* benzo[b&k]fluoranthene benzo[j]fluoranthene* benz[a&e]pyrene perylene* indeno[1,2,3-cd]pyrene benzo[ghi]perylene dibenz[ah]anthracene* picene* coronene methyl-202-PAH sum retene* methyl-228-PAH sum 11.2 1.48 0.19 0.06 0.12 0.48 0.27 0.01 0.20 0.02 0.07 0.18 0.02 0.02 0.11 8.70 1.98 0.19 7.33 1.08 0.15 0.03 0.08 0.38 0.16 0.01 0.09 0.01 0.04 0.11 0.01 0.01 0.06 6.67 1.17 0.13 Bulk species (μg m-3)g Mass* Nitrate Sulfate Ammonium* EC OC1* OC2 OC3 OC4* PC a Nitr Sulf Ammo Flu Pyr BghiF C-pyr BaA CT BbkF BjF BaeP Per IP BP DahA Pic Cor M-202 Ret M-228 b Mean fraction (%)a p°L (atm, 298K)d ΔHvap (kJ mol-1, 298K)e Kp,om (m3 μg-1)f 2.48 2.38 1.83 2.21 2.14 2.48 2.28 2.37 1.89 1.10 0.70 1.95 2.01 2.02 1.75 1.54 1.36 1.32 1.14 2.01 1.86 3.2E-08 1.2E-08 4.6E-09 1.7E-09 6.5E-10 2.5E-10 9.3E-11 3.5E-11 1.3E-11 4.9E-12 1.9E-12 7.0E-13 2.6E-13 9.9E-14 3.7E-14 1.4E-14 5.3E-15 2.0E-15 7.5E-16 8.2E-08 1.6E-09 115 120 124 129 133 137 142 146 151 155 160 164 169 173 177 182 186 191 195 107 124 8.73E-02 2.76E-01 8.72E-01 2.77E+00 8.83E+00 2.82E+01 9.05E+01 2.91E+02 9.39E+02 3.04E+03 9.86E+03 3.21E+04 1.05E+05 3.42E+05 1.12E+06 3.69E+06 1.22E+07 4.02E+07 1.33E+08 2.50E-02 2.47E+00 1.74 1.78 2.16 2.10 2.12 2.65 2.18 0.91 2.25 1.28 2.42 2.60 1.76 1.45 1.53 1.70 1.54 2.26 1.1E-07 2.4E-08 3.3E-09 2.5E-09 3.4E-09 3.4E-09 4.6E-10 4.6E-10 1.0E-10 1.0E-10 1.4E-11 3.2E-12 1.5E-11 1.5E-11 9.7E-14 4.0E-08 1.6E-08 1.3E-09 92.2 98.9 104 103 108 108 113 113 119 119 124 132 128 128 142 96.6 105 112 1.14E-02 6.40E-02 5.64E-01 6.94E-01 6.24E-01 6.24E-01 5.54E+00 5.54E+00 3.18E+01 3.18E+01 2.85E+02 1.65E+03 3.19E+02 3.19E+02 8.79E+04 3.54E-02 1.22E-01 1.96E+00 S/Nb CVc 3.89 6.53 13.3 14.2 6.53 4.58 4.32 2.39 1.00 2.46 0.61 1.73 0.88 1.04 0.69 0.43 0.50 0.43 2.30 0.94 16.1 28.6 44.3 61.3 76.9 88.3 94.8 97.9 99.2 99.7 99.9 100 100 100 100 100 100 100 100 7.30 61.3 1.46 1.60 1.63 1.36 0.77 0.67 0.93 0.77 1.04 1.17 1.61 0.88 1.01 0.96 1.19 1.30 1.32 1.23 1.29 1.67 0.77 4.12 14.7 44.3 48.5 44.6 44.6 79.3 79.3 93.7 93.7 99.1 99.8 99.0 99.0 100 9.90 20.9 63.0 1.16 1.04 0.74 1.38 1.16 1.06 1.15 3.62 1.35 1.66 1.17 1.14 1.47 3.70 1.27 0.93 1.40 0.99 c mean fraction of particle-phase SVOC; signal to noise ratio = mean concentration/mean uncertainty; coefficient of d e variation = standard deviation/mean concentration; pure compound vapor pressure at 298.15 K; enthalpy of vaporization of f g the liquid; average value; obtained from filter measurement, not including gas phase; * species not included for PMF analysis. 2 Table S1. Continued Abbreviation Mean Median S/N CV p°L (atm) @ 298K ΔHvap (kJ mol-1) @ 298K Kp, om (m3 μg-1) Oxy-PAHs acenaphthenone* fluorenone* 1H-phenalen-1-one* xanthone* 1,8-naphthalic anhydride anthracene-9,10-dione benz[de]anthracene-7-one Mean fraction (%) Ace-O Flu-O Phe-O Xan Nap-DO Ant-DO BaA-O 440 467 303 44.9 64.7 21.1 0.22 146 226 145 26.2 41.7 11.4 0.18 0.09 0.29 0.35 1.52 1.61 6.04 35.8 2.15 2.23 1.65 1.17 1.11 1.25 0.71 0.73 0.88 1.48 2.03 2.00 2.01 2.43 2.9E-06 1.1E-06 8.4E-07 2.3E-07 1.9E-07 4.7E-08 4.7E-09 71.4 75.8 74.7 81.8 76.9 79.9 96.2 2.17E-04 6.61E-04 8.19E-04 3.70E-03 3.92E-03 1.73E-02 3.02E-01 Steranes 20R-abb & 20S-aaa-cholestane 20R & S-abb-methylcholestane 20R & S-abb-ethylcholestane a-22,29,30-trisnorhopane ba-30-norhopane ab-hopane 22S-ab-30-homohopane 22R-ab-30-homohopane 22S-ab-30-bishomohopane 22R-ab-30-bishomohopane 27-RS-C 28-RS-M 29-RS-E TS ba-N ab-H 31abS 31abR 32abS 32abR 0.19 0.13 0.14 0.11 0.38 0.27 0.12 0.09 0.07 0.06 0.15 0.08 0.09 0.09 0.25 0.16 0.07 0.05 0.05 0.04 89.3 95.4 98.2 89.5 98.3 99.3 99.8 99.8 99.9 99.9 0.93 1.25 1.13 0.84 1.16 1.30 1.31 1.30 1.24 1.16 2.44 2.47 2.62 2.64 2.50 2.42 2.45 2.39 2.37 2.31 2.0E-10 7.5E-11 2.8E-11 1.9E-10 2.7E-11 1.0E-11 3.8E-12 3.8E-12 1.4E-12 1.4E-12 121 125 130 117 126 130 134 134 139 139 1.77E+01 5.59E+01 1.78E+02 1.58E+01 1.58E+02 5.03E+02 1.61E+03 1.61E+03 5.14E+03 5.14E+03 C12:0 C13:0 C14:0 C15:0 C16:0 C17:0 C18:0 C18:1 710 30.9 160 14.0 90.6 2.18 17.6 2.59 336 6.76 60.5 5.57 44.6 1.35 11.5 0.18 2.81 7.08 15.4 28.5 45.3 63.3 79.2 82.3 1.63 1.89 1.60 1.63 1.44 1.33 1.13 2.67 1.70 0.86 1.86 1.43 1.60 0.71 1.55 1.91 1.8E-07 6.6E-08 2.5E-08 9.3E-09 3.5E-09 1.3E-09 5.0E-10 3.9E-10 93.6 98.1 103 107 111 116 120 119 7.36E-03 2.29E-02 7.12E-02 2.23E-01 6.98E-01 2.20E+00 6.94E+00 8.51E+00 Cho Sti Van Acv Con Syr Ace 0.39 0.49 271 67.3 11.7 5.55 1.88 0.17 0.22 163 32.1 5.55 2.64 0.46 99.9 100 1.58 1.45 12.3 26.1 25.6 1.51 1.43 1.43 1.42 1.66 2.13 1.79 1.13 1.35 1.28 0.83 1.44 1.43 0.78 1.0E-12 1.1E-13 2.2E-07 2.0E-07 2.4E-08 8.0E-09 7.2E-09 136 144 80.7 74.7 88.4 92.0 86.0 6.52E+03 8.20E+04 3.84E-03 3.51E-03 4.50E-02 1.53E-01 1.38E-01 Alkanoic acids dodecanoic acid tridecanoic acid* tetradecanoic acid* pentadecanoic acid* hexadecanoic acid heptadecanoic acid* octadecanoic acid oleic acid* Sterols and methoxyphenols cholesterol* stigmasterol* vanillin* acetovanillone* coniferaldehyde* syringaldehyde* acetosyringone* 3 Table S2. Statistics for the total (gas + particle phase) concentration of each SVOC estimated for sampling days with ambient temperature lower than 10 °C (Cold period). Abbreviation Bulk species (μg m-3) Mass* Nitrate Sulfate Ammonium* EC OC1* OC2 OC3 OC4* PC Nitr Sulf Ammo Mean Median 9.57 2.23 1.30 0.88 0.61 1.29 0.56 0.40 0.04 0.42 7.64 1.41 0.79 0.56 0.48 1.13 0.48 0.35 0.01 0.30 Mean fraction (%) CV S/N 0.70 1.04 1.13 1.02 0.75 0.55 0.54 0.53 2.27 1.03 4.13 12.2 13.5 21.0 7.20 4.64 4.61 2.51 1.00 2.60 Kp, om (m3 μg-1) Organic molecular makers (ng m-3) Alkanes docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane dotriacontane* tritriacontane tetratriacontane pentatriacontane hexatriacontane heptatriacontane octatriacontane nonatriacontane tetracontane* pentadecylcyclohexane nonadecylcyclohexane* C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 cycC21 cycC25 6.31 3.11 1.56 1.59 1.22 1.37 1.17 1.41 0.98 1.43 0.49 0.73 0.58 0.55 0.32 0.27 0.22 0.20 0.15 1.93 0.22 4.89 2.54 1.43 1.39 1.07 1.19 1.00 1.21 0.89 1.23 0.32 0.55 0.43 0.42 0.22 0.18 0.15 0.14 0.10 1.30 0.18 35.5 57.8 77.7 90.4 96.4 98.7 99.6 99.9 100 100 100 100 100 100 100 100 100 100 100 16.7 89.9 2.75 2.45 1.53 2.35 2.50 2.60 2.72 2.62 2.25 2.13 1.09 2.04 2.12 2.22 2.01 1.85 1.68 1.60 1.40 1.92 1.98 0.82 0.69 0.54 0.60 0.66 0.69 0.73 0.70 0.78 0.76 1.14 0.90 0.91 0.85 0.96 0.99 0.99 0.96 1.00 1.06 0.71 2.12E-01 6.76E-01 2.16E+00 6.92E+00 2.22E+01 7.15E+01 2.31E+02 7.46E+02 2.42E+03 7.86E+03 2.56E+04 8.36E+04 2.73E+05 8.97E+05 2.95E+06 9.72E+06 3.21E+07 1.06E+08 3.52E+08 5.93E-02 6.11E+00 PAHs fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene chrysene/triphenylene* benzo[b&k]fluoranthene benzo[j]fluoranthene* benz[a&e]pyrene perylene* indeno[1,2,3-cd]pyrene benzo[ghi]perylene dibenz[ah]anthracene* picene* coronene methyl-202-PAH sum retene* methyl-228-PAH sum Flu Pyr BghiF C-pyr BaA CT BbkF BjF BaeP Per IP BP DahA Pic Cor M-202 Ret M-228 4.15 0.81 0.22 0.09 0.15 0.42 0.42 0.02 0.36 0.03 0.13 0.32 0.04 0.03 0.18 5.85 2.44 0.26 3.08 0.70 0.19 0.06 0.11 0.33 0.31 0.01 0.24 0.02 0.11 0.25 0.03 0.02 0.13 4.89 1.74 0.18 9.18 31.1 73.7 77.2 74.9 74.9 95.6 95.6 99.1 99.1 99.9 100 99.9 99.9 100 21.5 43.1 89.0 1.69 1.84 2.38 2.61 2.58 2.86 2.42 1.44 2.47 1.62 2.58 2.85 2.25 2.05 1.50 1.80 1.81 2.49 0.84 0.72 0.67 1.03 0.89 0.74 0.78 3.53 0.93 1.19 0.76 0.80 0.92 0.95 0.91 0.71 1.22 0.91 2.58E-02 1.48E-01 1.33E+00 1.63E+00 1.48E+00 1.48E+00 1.34E+01 1.34E+01 7.79E+01 7.79E+01 7.05E+02 4.15E+03 7.97E+02 7.97E+02 2.24E+05 8.13E-02 2.87E-01 4.72E+00 * Species not included for PMF analysis. 4 Table S2. Continued Abbreviation Mean Median CV S/N Kp, om (m3 μg-1) Oxy-PAHs acenaphthenone* fluorenone* 1H-phenalen-1-one* xanthone* 1,8-naphthalic anhydride anthracene-9,10-dione benz[de]anthracene-7-one Mean fraction (%) Ace-O Flu-O Phe-O Xan Nap-DO Ant-DO BaA-O 463 455 204 9.07 15.9 4.53 0.23 176 162 89.8 7.31 12.8 3.54 0.19 0.20 0.61 0.75 3.31 3.41 12.6 62.9 1.18 1.16 1.11 1.98 2.00 2.00 2.77 2.88 3.25 1.82 0.87 0.70 0.76 0.63 4.42E-04 1.38E-03 1.70E-03 7.98E-03 8.23E-03 3.68E-02 6.92E-01 Steranes 20R-abb & 20S-aaa-cholestane 20R & S-abb-methylcholestane 20R & S-abb-ethylcholestane a-22,29,30-trisnorhopane ba-30-norhopane ab-hopane 22S-ab-30-homohopane 22R-ab-30-homohopane 22S-ab-30-bishomohopane 22R-ab-30-bishomohopane 27-RS-C 28-RS-M 29-RS-E TS ba-N ab-H 31abS 31abR 32abS 32abR 0.24 0.20 0.22 0.13 0.59 0.43 0.19 0.14 0.11 0.09 0.15 0.11 0.14 0.09 0.37 0.27 0.12 0.09 0.07 0.05 98.4 99.5 99.8 98.3 99.8 99.9 100 100 100 100 2.62 2.42 2.92 2.96 2.68 2.63 2.66 2.65 2.64 2.60 1.07 1.18 1.02 0.97 1.07 1.12 1.11 1.12 1.12 1.05 4.34E+01 1.39E+02 4.45E+02 3.85E+01 3.93E+02 1.26E+03 4.05E+03 4.05E+03 1.30E+04 1.30E+04 C12:0 C13:0 C14:0 C15:0 C16:0 C17:0 C18:0 C18:1 108 4.06 19.0 2.33 34.0 1.18 15.5 5.39 63.8 1.42 11.5 1.66 25.1 0.74 10.5 0.60 6.35 15.8 32.8 55.4 76.2 89.7 96.1 96.8 1.97 0.77 1.50 1.38 1.96 1.04 1.74 2.33 1.32 1.90 1.14 0.89 0.93 1.00 0.96 1.87 1.67E-02 5.27E-02 1.67E-01 5.28E-01 1.68E+00 5.34E+00 1.70E+01 2.09E+01 Cho Sti Van Acv Con Syr Ace 0.60 0.77 328 76.0 15.9 7.95 1.98 0.28 0.49 224 55.7 10.1 5.05 1.19 100 100 3.41 3.04 25.3 49.0 47.1 1.46 2.27 1.51 1.04 1.79 1.75 1.80 1.37 1.13 1.13 0.95 1.21 1.28 1.20 1.65E+04 2.10E+05 8.23E-03 7.28E-03 9.98E-02 3.45E-01 3.03E-01 Alkanoic acids dodecanoic acid tridecanoic acid* tetradecanoic acid* pentadecanoic acid* hexadecanoic acid heptadecanoic acid* octadecanoic acid oleic acid* Sterols and methoxyphenols cholesterol* stigmasterol* vanillin* acetovanillone* coniferaldehyde* syringaldehyde* acetosyringone* 5 Table S3. Statistics for the total (gas + particle phase) concentration of each SVOC estimated for sampling days with ambient temperature between 10 °C and 20 °C (Warm period). Abbreviation Bulk species (μg m-3) Mass* Nitrate Sulfate Ammonium* EC OC1* OC2 OC3 OC4* PC Nitr Sulf Ammo Mean Median 6.54 0.37 1.01 0.32 0.43 1.08 0.57 0.39 0.03 0.28 6.18 0.17 0.90 0.23 0.36 1.05 0.54 0.38 0.01 0.22 Mean fraction (%) CV S/N 0.44 1.58 0.67 0.96 0.62 0.33 0.46 0.38 2.23 0.78 3.26 2.56 12.4 14.0 6.35 4.67 4.76 2.64 1.00 2.57 Kp, om (m3 μg-1) Organic molecular makers (ng m-3) Alkanes docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane dotriacontane* tritriacontane tetratriacontane pentatriacontane hexatriacontane heptatriacontane octatriacontane nonatriacontane tetracontane* pentadecylcyclohexane nonadecylcyclohexane* C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 cycC21 cycC25 23.2 12.2 2.56 1.86 0.81 0.98 0.61 1.49 0.49 1.50 0.39 0.51 0.37 0.28 0.14 0.11 0.09 0.09 0.06 7.11 0.18 18.0 8.53 2.15 1.63 0.61 0.84 0.36 1.19 0.27 1.09 0.21 0.41 0.28 0.23 0.09 0.05 0.04 0.05 0.04 4.84 0.16 6.42 15.9 33.7 57.1 77.8 90.3 96.2 98.6 99.5 99.8 99.9 100 100 100 100 100 100 100 100 2.36 57.0 2.40 2.33 1.41 2.07 1.94 2.25 1.94 2.22 1.59 1.19 0.65 1.84 1.84 1.76 1.48 1.27 1.12 1.12 0.96 1.99 1.83 0.84 0.91 0.80 0.66 0.86 0.70 0.99 0.75 1.07 0.88 1.66 0.84 0.98 0.86 1.09 1.22 1.19 1.16 1.16 1.00 0.65 1.97E-02 5.62E-02 1.60E-01 4.56E-01 1.30E+00 3.71E+00 1.06E+01 3.02E+01 8.61E+01 2.46E+02 7.02E+02 2.00E+03 5.73E+03 1.64E+04 4.68E+04 1.34E+05 3.82E+05 1.09E+06 3.13E+06 6.85E-03 4.50E-01 PAHs fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene chrysene/triphenylene* benzo[b&k]fluoranthene benzo[j]fluoranthene* benz[a&e]pyrene perylene* indeno[1,2,3-cd]pyrene benzo[ghi]perylene dibenz[ah]anthracene* picene* coronene methyl-202-PAH sum retene* methyl-228-PAH sum Flu Pyr BghiF C-pyr BaA CT BbkF BjF BaeP Per IP BP DahA Pic Cor M-202 Ret M-228 10.8 1.32 0.16 0.04 0.09 0.39 0.20 0.01 0.13 0.01 0.05 0.12 0.01 0.01 0.07 8.83 1.80 0.15 8.22 1.05 0.13 0.03 0.05 0.33 0.14 0.01 0.08 0.00 0.04 0.09 0.01 0.01 0.05 6.78 0.91 0.11 1.46 6.70 34.8 39.9 34.9 34.9 79.1 79.1 94.6 94.6 99.3 99.8 99.3 99.3 100 4.02 10.6 58.8 1.73 1.76 2.12 1.89 2.05 2.50 2.03 0.60 2.05 1.06 2.24 2.30 1.35 1.13 1.59 1.70 1.54 2.14 0.95 0.79 0.70 1.20 1.17 0.67 1.01 1.26 1.26 1.48 0.84 0.84 1.28 1.26 0.95 0.82 1.52 0.95 4.18E-03 2.05E-02 1.64E-01 2.07E-01 1.66E-01 1.66E-01 1.33E+00 1.33E+00 6.52E+00 6.52E+00 5.22E+01 2.57E+02 5.29E+01 5.29E+01 1.01E+04 1.19E-02 3.43E-02 4.72E-01 * Species not included for PMF analysis. 6 Table S3. Continued Abbreviation Mean Median CV S/N Kp, om (m3 μg-1) Oxy-PAHs acenaphthenone* fluorenone* 1H-phenalen-1-one* xanthone* 1,8-naphthalic anhydride anthracene-9,10-dione benz[de]anthracene-7-one Mean fraction (%) Ace-O Flu-O Phe-O Xan Nap-DO Ant-DO BaA-O 411 433 283 43.6 54.2 18.2 0.20 194 312 161 34.1 46.9 13.8 0.16 0.04 0.12 0.15 0.58 0.67 2.73 25.5 0.63 0.83 1.66 2.02 2.02 2.01 2.32 1.13 0.97 1.21 0.82 0.57 0.85 0.78 1.14E-04 3.24E-04 4.09E-04 1.64E-03 1.88E-03 7.90E-03 1.02E-01 Steranes 20R-abb & 20S-aaa-cholestane 20R & S-abb-methylcholestane 20R & S-abb-ethylcholestane a-22,29,30-trisnorhopane ba-30-norhopane ab-hopane 22S-ab-30-homohopane 22R-ab-30-homohopane 22S-ab-30-bishomohopane 22R-ab-30-bishomohopane 27-RS-C 28-RS-M 29-RS-E TS ba-N ab-H 31abS 31abR 32abS 32abR 0.14 0.09 0.11 0.08 0.27 0.19 0.08 0.06 0.05 0.04 0.11 0.07 0.08 0.07 0.21 0.14 0.06 0.04 0.04 0.03 90.4 96.3 98.6 90.4 98.6 99.5 99.8 99.8 99.9 99.9 2.40 2.52 2.44 2.50 2.33 2.20 2.26 2.17 2.16 2.10 0.72 0.96 0.99 0.79 0.98 1.17 1.23 1.13 1.08 1.09 3.50E+00 9.98E+00 2.84E+01 3.46E+00 2.80E+01 7.99E+01 2.28E+02 2.28E+02 6.50E+02 6.50E+02 C12:0 C13:0 C14:0 C15:0 C16:0 C17:0 C18:0 C18:1 536 24.8 96.4 8.74 66.8 1.34 16.4 1.14 405 13.3 66.4 6.16 40.5 0.94 9.48 0.16 0.92 2.57 6.89 17.0 35.6 59.3 79.5 82.9 1.73 0.93 1.68 1.36 1.65 0.73 1.47 1.42 0.83 1.14 1.14 1.06 1.25 1.09 1.49 2.88 2.62E-03 7.46E-03 2.12E-02 6.03E-02 1.72E-01 4.89E-01 1.39E+00 1.75E+00 Cho Sti Van Acv Con Syr Ace 0.30 0.32 275 70.8 10.5 4.43 1.07 0.13 0.17 151 30.3 3.68 0.99 0.23 100 100 0.62 0.62 5.86 16.2 16.4 0.96 1.13 1.33 0.96 1.47 1.37 0.72 1.27 1.44 1.60 1.56 2.29 2.65 2.12 8.77E+02 8.99E+03 1.74E-03 1.75E-03 1.77E-02 5.63E-02 5.67E-02 Alkanoic acids dodecanoic acid tridecanoic acid* tetradecanoic acid* pentadecanoic acid* hexadecanoic acid heptadecanoic acid* octadecanoic acid oleic acid* Sterols and methoxyphenols cholesterol* stigmasterol* vanillin* acetovanillone* coniferaldehyde* syringaldehyde* acetosyringone* 7 Table S4. Statistics for the total (gas + particle phase) concentration of each SVOC estimated for sampling days with ambient temperature above 20 °C (Hot period). Abbreviation Mean Median 7.79 0.16 1.22 0.51 0.46 1.48 0.86 0.52 0.02 0.45 7.53 0.14 1.11 0.48 0.44 1.46 0.84 0.50 0.01 0.33 -3 Bulk species (μg m ) Mass* Nitrate* Sulfate Ammonium* EC OC1* OC2 OC3 OC4* PC Nitr Sulf Ammo Mean fraction (%) CV S/N 0.38 0.76 0.46 0.54 0.42 0.25 0.38 0.30 0.86 0.79 4.28 1.27 14.0 10.3 5.81 4.45 3.85 2.13 1.00 2.24 Kp, om (m3 μg-1) Organic molecular makers (ng m-3) Alkanes docosane tricosane tetracosane* pentacosane hexacosane heptacosane octacosane nonacosane triacontane* hentriacontane* dotriacontane* tritriacontane tetratriacontane pentatriacontane hexatriacontane* heptatriacontane* octatriacontane* nonatriacontane* tetracontane* pentadecylcyclohexane nonadecylcyclohexane* C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 cycC21 cycC25 76.8 62.5 13.7 8.50 1.41 1.44 0.52 2.38 0.36 2.53 0.67 0.59 0.37 0.26 0.11 0.07 0.06 0.06 0.04 16.9 0.41 58.4 47.8 9.13 5.80 1.11 1.26 0.40 1.99 0.24 1.60 0.21 0.49 0.24 0.23 0.09 0.05 0.03 0.04 0.03 9.94 0.36 2.21 5.67 13.7 29.2 51.2 72.8 87.3 94.7 97.9 99.2 99.7 99.9 100 100 100 100 100 100 100 0.88 30.1 2.48 2.39 2.01 2.22 1.97 2.55 1.85 2.30 1.48 0.78 0.54 1.93 1.98 1.91 1.43 1.10 0.87 0.89 0.76 2.03 1.80 0.85 0.81 0.94 0.84 0.74 0.54 0.85 0.70 1.14 1.27 1.76 0.78 1.06 0.78 1.08 1.38 1.41 1.06 1.16 1.22 0.62 4.49E-03 1.21E-02 3.24E-02 8.69E-02 2.33E-01 6.26E-01 1.68E+00 4.52E+00 1.21E+01 3.26E+01 8.77E+01 2.36E+02 6.34E+02 1.70E+03 4.59E+03 1.23E+04 3.32E+04 8.94E+04 2.41E+05 1.75E-03 9.06E-02 PAHs fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene* benz[a]anthracene chrysene/triphenylene* benzo[b&k]fluoranthene benzo[j]fluoranthene* benz[a&e]pyrene perylene* indeno[1,2,3-cd]pyrene benzo[ghi]perylene dibenz[ah]anthracene* picene* coronene methyl-202-PAH sum retene* methyl-228-PAH sum* Flu Pyr BghiF C-pyr BaA CT BbkF BjF BaeP Per IP BP DahA Pic Cor M-202 Ret M-228 20.4 2.49 0.17 0.04 0.12 0.65 0.16 0.01 0.07 0.01 0.03 0.07 0.01 0.01 0.04 12.2 1.59 0.16 15.6 1.92 0.13 0.02 0.07 0.49 0.11 0.01 0.05 0.01 0.02 0.05 0.00 0.00 0.03 9.23 0.81 0.13 0.65 2.85 17.7 21.5 17.0 17.0 59.0 59.0 85.9 85.9 97.8 99.5 97.7 97.7 100 1.73 4.28 34.8 1.76 1.76 1.89 1.51 1.70 2.61 1.78 0.55 1.68 0.78 1.95 2.09 0.88 0.92 1.57 1.64 1.21 2.00 0.82 0.87 0.81 2.04 1.45 1.22 1.97 1.20 1.80 2.86 2.11 1.44 3.33 8.60 1.95 0.90 1.52 0.97 1.29E-03 5.80E-03 4.35E-02 5.57E-02 4.17E-02 4.17E-02 3.13E-01 3.13E-01 1.40E+00 1.40E+00 1.05E+01 4.74E+01 1.01E+01 1.01E+01 1.60E+03 3.47E-03 8.91E-03 1.12E-01 * Species not included for PMF analysis. 8 Table S4. Continued Abbreviation Mean Median CV S/N Kp, om (m3 μg-1) Oxy-PAHs acenaphthenone* fluorenone* 1H-phenalen-1-one* xanthone* 1,8-naphthalic anhydride* anthracene-9,10-dione benz[de]anthracene-7-one* Mean fraction (%) Ace-O Flu-O Phe-O Xan Nap-DO Ant-DO BaA-O 442 518 451 91.5 138 45.4 0.22 91.0 220 198 78.5 114 36.9 0.18 0.02 0.06 0.08 0.30 0.36 1.45 13.0 0.55 0.73 1.68 2.05 1.99 2.00 2.18 1.62 1.60 1.58 0.69 0.63 0.74 0.74 4.65E-05 1.24E-04 1.59E-04 5.83E-04 7.13E-04 2.88E-03 3.00E-02 Steranes 20R-abb & 20S-aaa-cholestane 20R & S-abb-methylcholestane 20R & S-abb-ethylcholestane a-22,29,30-trisnorhopane ba-30-norhopane ab-hopane 22S-ab-30-homohopane 22R-ab-30-homohopane 22S-ab-30-bishomohopane 22R-ab-30-bishomohopane 27-RS-C 28-RS-M 29-RS-E TS ba-N ab-H 31abS 31abR 32abS 32abR 0.19 0.08 0.09 0.11 0.25 0.15 0.06 0.05 0.04 0.04 0.18 0.08 0.08 0.10 0.23 0.14 0.06 0.04 0.04 0.03 76.5 89.4 95.7 77.4 95.9 98.4 99.4 99.4 99.8 99.8 2.23 2.56 2.14 2.37 2.22 2.07 2.09 1.96 1.99 1.92 0.44 0.43 0.44 0.43 0.42 0.44 0.46 0.50 0.49 0.53 7.40E-01 1.99E+00 5.33E+00 7.72E-01 5.56E+00 1.49E+01 4.01E+01 4.01E+01 1.08E+02 1.08E+02 C12:0 C13:0 C14:0 C15:0 C16:0 C17:0 C18:0 C18:1 1662 71.5 407 34.7 188 4.38 21.6 0.64 1180 36.6 301 23.7 120 3.00 14.9 0.24 0.40 1.07 2.80 7.12 16.8 34.4 57.4 63.1 1.67 0.84 1.94 1.45 1.51 0.64 1.47 0.86 1.02 1.25 0.84 0.93 0.98 0.95 0.88 2.91 7.96E-04 2.13E-03 5.72E-03 1.53E-02 4.11E-02 1.10E-01 2.96E-01 3.79E-01 Cho Sti Van Acv Con Syr Ace 0.24 0.33 194 52.7 7.81 3.76 2.66 0.13 0.13 123 8.50 3.24 0.68 0.28 99.8 100 0.32 0.35 2.83 8.08 8.75 0.78 0.69 0.93 0.53 0.94 0.99 0.52 1.29 1.70 1.71 1.94 1.45 3.53 1.85 1.50E+02 1.38E+03 6.26E-04 6.82E-04 5.75E-03 1.75E-02 1.90E-02 Alkanoic acids dodecanoic acid* tridecanoic acid* tetradecanoic acid* pentadecanoic acid* hexadecanoic acid* heptadecanoic acid* octadecanoic acid* oleic acid* Sterols and methoxyphenols cholesterol* stigmasterol* vanillin* acetovanillone* coniferaldehyde* syringaldehyde* acetosyringone* 9 Table S5. Mean particle-phase fractions of selected SVOCs and data from other field studies. Fraser et al. (1997,1998) (PM1.6) This study (PM2.5) Simcik et al. (1997, 1998) (TSP) Tsapakis and Stephanou (2005) (TSP) Mandalakis et al. (2002) (TSP) Whole Cold Warm Hot Los Angeles, Summer Chicago, Winter Chicago, Summer Lake Michigan, Summer Heraklion (Greece), Annual Athens (Greece), Summer Average Temp. (°C) Sample No. 14 970 3.3 364 15 318 24 288 27 32 2.7 1-4 23 1-18 22 2-15 17 16 28 4 Alkanes docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane dotriacontane tritriacontane tetratriacontane pentatriacontane hexatriacontane 16 29 44 61 77 88 98 98 99 100 100 100 100 100 100 36 58 78 90 96 99 100 100 100 100 100 100 100 100 100 6.4 16 34 57 78 90 96 99 100 100 100 100 100 100 100 2.2 5.7 14 29 51 73 87 95 98 99 100 100 100 100 100 2.8 10 25 32 44 72 94 100 100 100 100 100 100 100 100 PAHs fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene chrysene/triphenylene benzo[b&k]fluoranthene benzo[j]fluoranthene benz[a&e]pyrene perylene indeno[1,2,3-cd]pyrene benzo[ghi]perylene dibenz[ah]anthracene coronene retene 4.1 15 44 49 45 45 79 79 94 94 99 100 99 100 21 9.2 31 74 77 75 75 96 96 99 99 100 100 100 100 43 1.5 6.7 35 40 35 35 79 79 95 95 99 100 99 100 11 0.65 2.8 18 22 17 17 59 59 86 86 98 100 98 100 4.3 0.71 1.0 18 35 60 44 100 100 100 100 100 100 17 26 36 56 62 81 66 87 65 91 78 70 55 54 17 20 9.7 14 3.7 4.7 6.4 9.0 95 92 94 81 72 93 49 40 77 32 57 53 94 41 45 96 95 90 88 96 95 92 92 91 98 97 100 100 10 99 100 100 100 100 100 10 Table S5. Continued This study (PM2.5) Fraser et al. (1997,1998) (PM1.6) Mandalakis et al. (2002) (TSP) Whole Cold Warm Hot Los Angeles, Summer Athens (Greece), Summer Average Temp. (°C) Sample No. 14 970 3.3 364 15 318 24 288 27 32 28 4 Sterane and hopanes 20R-abb & 20S-aaa-cholestane a-22,29,30-trisnorhopane ab-hopane 22S-ab-30-homohopane 22R-ab-30-homohopane 22S-ab-30-bishomohopane 22R-ab-30-bishomohopane 89 89 99 100 100 100 100 98 98 100 100 100 100 100 90 90 100 100 100 100 100 76 77 98 100 100 100 100 100 100 100 100 100 100 100 40 83 93 92 100 100 11 Table S6. Correlation coefficients of factor contributions from full data set solution versus meteorological and trace gas measurements. Temperature (°C) Radiance (KW-hr m-2) RH (%) Ozone (ppm) NOX (ppm) CO (ppm) Whole period Nitrate Sulfate n-Alkane Sterane Light SVOCs PAH Bulk carbon -0.60 0.15 -0.28 -0.35 0.73 -0.39 0.39 -0.46 0.21 -0.22 -0.32 0.50 -0.34 0.33 0.49 0.31 0.10* 0.17 -0.48 0.05* -0.22 -0.51 0.04* -0.35 -0.47 0.34 -0.59 0.46 0.45 -0.07* 0.45 0.64 -0.30 0.65 -0.10* 0.39 -0.05* 0.43 0.58 -0.20 0.62 0.05* Cold period Nitrate Sulfate n-Alkane Sterane Light SVOCs PAH Bulk carbon -0.38 -0.22 -0.19 -0.09* 0.61 0.03* 0.15 -0.10* 0.08* -0.16 -0.28 0.15 -0.06* 0.14 0.40 0.40 -0.11* -0.01* -0.34 -0.30 -0.16 -0.40 -0.07* -0.33 -0.50 0.24 -0.46 -0.15 0.31 -0.03* 0.47 0.57 -0.21 0.57 0.28 0.29 -0.04* 0.43 0.54 -0.15 0.60 0.33 Warm period Nitrate Sulfate n-Alkane Sterane Light SVOCs PAH Bulk carbon -0.20 0.16 -0.05* -0.14* 0.35 -0.25 0.19 -0.18 0.16 -0.06* -0.10* 0.23 -0.15* 0.09* 0.38 0.43 -0.03* -0.01* -0.33 -0.10* 0.28 -0.23 0.12* -0.05* -0.21 0.05* -0.43 0.08* 0.23 -0.16 0.22 0.60 -0.08* 0.62 0.18 0.27 -0.04* 0.17 0.55 -0.06* 0.61 0.25 Factors Hot period Nitrate -0.02* -0.04* 0.03* 0.03* 0.08* 0.06* Sulfate 0.07* 0.11* 0.26 0.18 -0.09* -0.03* n-Alkane -0.01* 0.08* -0.03* 0.05* 0.31 0.16 Sterane 0.01* 0.03* 0.01* -0.00* 0.36 0.34 -0.45 -0.48 Light SVOCs 0.16 -0.06* 0.01* 0.03* -0.46 0.44 PAH -0.15* -0.15* -0.11* 0.31 Bulk carbon 0.21 0.17 0.10* 0.36 0.21 0.39 * Correlation is not significant at the 0.01 level (2-tailed), and the absolute r values equal or higher than 0.40 are in bold. 12 Table S7. Correlation coefficients of factor contributions from sub-data set solutions versus meteorological and trace gas measurements. Temperature (°C) Radiance (KW-hr m-2) RH (%) Ozone (ppm) NOX (ppm) CO (ppm) Cold period Nitrate Sulfate n-Alkane Sterane Light SVOCs PAH Bulk carbon -0.43 -0.27 -0.22 -0.11* 0.61 -0.10* -0.04* -0.09* 0.07* -0.11* -0.28 0.17 -0.13* 0.03* 0.39 0.42 -0.09* -0.00* -0.40 -0.24 -0.14* -0.40 -0.09* -0.32 -0.48 0.26 -0.44 -0.51 0.32 -0.02* 0.43 0.53 -0.22 0.49 0.76 0.29 -0.03* 0.39 0.50 -0.15 0.52 0.76 Warm period Nitrate Sulfate n-Alkane Sterane Light SVOCs PAH Bulk carbon -0.06* 0.19 -0.04* -0.12* 0.33 -0.27 0.23 -0.03* 0.21 -0.06* -0.03* 0.19 -0.21 0.10* 0.37 0.40 -0.01* -0.01* -0.39 -0.12* 0.26 -0.23 0.16 -0.04* -0.20 0.11* -0.43 0.03* 0.24 -0.22 0.22 0.58 -0.17 0.61 0.22 0.29 -0.10* 0.16 0.53 -0.15 0.61 0.28 Factors Hot period Sulfate 0.08* 0.13* 0.29 0.23 -0.11* -0.07* n-Alkane 0.02* 0.11* -0.01* 0.16 0.15* 0.16 Sterane -0.02* 0.05* 0.16 0.13* 0.20 0.24 -0.46 Light SVOCs 0.07* 0.02* -0.36 0.01* -0.06* -0.44 0.47 PAH -0.19 -0.08* -0.13* 0.32 0.47 Bulk carbon 0.14* 0.05* 0.07* 0.16 0.31 0.59 -0.45 Medium n-alkane 0.26 0.15* -0.20 -0.04* * Correlation is not significant at the 0.01 level (2-tailed), and the absolute r values equal or higher than 0.40 are in bold. 13 Figure Captions Fig. S1 – Median PMF factor profiles for the full data set solution (shaded bars). The whiskers represent the variability in factor profile derived from bootstrapped PMF solutions (+ 1 SD). The bars are shaded to show compound class separations. Fig. S2 – Median PMF factor contributions for the full data set solution (black points). The gray bars represent the variability in the estimation of factor contribution from bootstrapped PMF solutions (+/- 1 SD). Fig. S3 – Day of the week box plots for the factor contributions of full data set solution. The boxes depict the median (dark line), inner quartile range (shanded box), 10 th and 90th percentiles (whiskers) and the mean (asterisk). The dashed line across the plot is the overall median. The individual median values and the number of points contained within each box are listed below the box. Fig. S4 – Median PMF factor profiles for the cold period sub-data set solution (shaded bars). The whiskers represent the variability in factor profile derived from bootstrapped PMF solutions (+ 1 SD). The bars are shaded to show compound class separations. Fig. S5 – Median PMF factor profiles for the warm period sub-data set solution (shaded bars). The whiskers represent the variability in factor profile derived from bootstrapped PMF solutions (+ 1 SD). The bars are shaded to show compound class separations. Fig. S6 – Median PMF factor profiles for the hot period sub-data set solution (shaded bars). The whiskers represent the variability in factor profile derived from bootstrapped PMF solutions (+ 1 SD). The bars are shaded to show compound class separations. 14 percent of species percent of species percent of species percent of species percent of species percent of species 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 Fig. S1 docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane tritriacontane tetratriacontane pentatriacontane hexatriacontane heptatriacontane octatriacontane nonatriacontane pentadecylcyclohexane fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene benzo[b&k]fluoranthene benz[a&e]pyrene indeno[1,2,3−cd]pyrene benzo[ghi]perylene coronene methyl−202−PAH sum methyl−228−PAH sum 1,8−naphthalic anhydride anthracene−9,10−dione benz[de]anthracene−7−one 20R−abb & 20S−aaa−cholestane 20R & S−abb−methylcholestane 20R & S−abb−ethylcholestane a−22,29,30−trisnorhopane ba−30−norhopane ab−hopane 22S−ab−30−homohopane 22R−ab−30−homohopane 22S−ab−30−bishomohopane 22R−ab−30−bishomohopane dodecanoic acid hexadecanoic acid octadecanoic acid nitrate sulfate EC OC_PK2 OC_PK3 PC percent of species 1.2 a) Nitrate 0.8 0.6 0.4 0.2 0.0 b) Sulfate 0.8 0.6 0.4 0.2 0.0 c) n−Alkane 0.8 0.6 0.4 0.2 0.0 d) Sterane 0.8 0.6 0.4 0.2 0.0 e) Light SVOC 0.8 0.6 0.4 0.2 0.0 f) PAH 0.8 0.6 0.4 0.2 0.0 g) Bulk carbon 0.8 0.6 0.4 0.2 0.0 15 (ng/m³) Contribution a) Nitrate 15000 ● ● 10000 5000 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ●● ● ●● ● ● ● ● ● ● ● ● ● (ng/m³) Contribution ● ● ● b) Sulfate 10000 8000 ● ● ● ● ● 6000 ● ● ● 4000 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ●● ● ● ● ●● ● ● ● ● ● ● ● ● ● ●● ● ● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ●●●● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ●● ● ●● ● ● ● ●● ● ●● ● ● ●● ● ● ● ● ● ●●●● ●● ● ● ●●● ● ● ●●● ● ●● ●●●●●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ●●●●● ● ●●●●●● ● ● ● ●●● ●● ●●●● ● ●● ●● ●● ●● ● ● ●● ● ● ● ● ●● ● ● ●● ● ● ●● ●●●●●●●●● 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● ●● ● ● ● ●● ● ● ● ● ● ●● ● ● ● ● ●● ●● ● ● ●● ● ● ● ● ●● ● ● ● ●● ● ● ● ● ●● ● ● ● ● ●●● ● ● ● ● ● ● ●●● ● ● ●● ● ● ●●●●● ●● ●● ●●● ● ● ● 1000 500 0 e) Light SVOC 1200 1000 (ng/m³) ● ● ● 0 Contribution ● ● ● ● ● ● ● 0 Contribution ● ● ● ● ● ●● ● ● ● ● ● ●● ● ● ● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ●● ● ●● ● ● ● ●● ● ● ●● ● ●● ●● ● ●● ● ● ● ● ● ●● ● ●● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ●● ●●●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●●● ●●● ●● ● ● ● ● ● ●● ●● ●● ● ● ● ●● ● ●● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ●●● ● ● ● ● ●● ●● ● ● ●● ●● ●● ● ●●● ● ● ● ●●● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ●● ● ●●●● ● ● ●●●● ● ● ● ● ● ●●● ● ● ● ● ● ●●●●●● ● ● ● ●● ● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ●● ● ● ● ●● ● ●● ● ●●● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ●● ● ● ● ● ●● ● ● ●●●● ● ●●● ●●● ● ●● ● ● ● ●● ●● ● ● ● ● ● ● ●●● ● ●●● ● ●● ● ●● ● ●● ● ●●● ● ● ●● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ●●●● ● ● ● ● 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● ● ● ● ● ●● ●●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ●● ● ● ●● ●●●●● ● ●● ●●●● ● ●●● ● ●● ● ●● ● ● ●●● ● ● ● ●● ● ●● ● ●● ●● ● ● ●● ● ● ● ● ● ●● ● ●● ● ● ● 2000 0 −2000 Jan Fig. S2 Mar May Jul 2003 Sep Nov Jan Mar May Jul 2004 Sep Nov Jan Mar May Jul 2005 Sep Nov 16 Contribution (ng/m³) 5000 a) Nitrate 4000 3000 2000 1000 0 med: n: 232 140 297 138 218 138 303 138 233 138 182 138 227 139 1015 138 961 138 909 138 878 138 851 138 879 139 97 138 99 138 93 138 109 138 139 138 141 139 108 138 97 138 103 138 100 138 89 138 75 139 95 140 87 138 98 138 86 138 83 138 102 138 87 139 127 140 153 138 133 138 137 138 172 138 133 138 85 139 814 140 912 138 919 138 898 138 906 138 744 138 686 139 Mon Tue Wed Thu Fri Sat Sun Contribution (ng/m³) Contribution (ng/m³) Contribution (ng/m³) Contribution (ng/m³) 3000 b) Sulfate 2500 2000 1500 1000 500 0 med: n: c) n−Alkane 600 400 200 0 med: n: Contribution (ng/m³) 102 140 d) Sterane 500 400 300 200 100 0 med: n: 103 140 e) Light SVOC 500 400 300 200 100 0 med: n: 800 f) PAH 600 400 200 0 med: n: 2500 Contribution (ng/m³) 1042 140 g) Bulk carbon 2000 1500 1000 500 0 med: n: Fig. S3 17 percent of species percent of species percent of species percent of species percent of species percent of species 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 Fig. S4 docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane tritriacontane tetratriacontane pentatriacontane hexatriacontane heptatriacontane octatriacontane nonatriacontane pentadecylcyclohexane fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene benzo[b&k]fluoranthene benz[a&e]pyrene indeno[1,2,3−cd]pyrene benzo[ghi]perylene coronene methyl−202−PAH sum methyl−228−PAH sum 1,8−naphthalic anhydride anthracene−9,10−dione benz[de]anthracene−7−one 20R−abb & 20S−aaa−cholestane 20R & S−abb−methylcholestane 20R & S−abb−ethylcholestane a−22,29,30−trisnorhopane ba−30−norhopane ab−hopane 22S−ab−30−homohopane 22R−ab−30−homohopane 22S−ab−30−bishomohopane 22R−ab−30−bishomohopane dodecanoic acid hexadecanoic acid octadecanoic acid nitrate sulfate EC OC_PK2 OC_PK3 PC percent of species 1.2 a) Nitrate 0.8 0.6 0.4 0.2 0.0 b) Sulfate 0.8 0.6 0.4 0.2 0.0 c) n−Alkane 0.8 0.6 0.4 0.2 0.0 d) Sterane 0.8 0.6 0.4 0.2 0.0 e) Light SVOC 0.8 0.6 0.4 0.2 0.0 f) PAH 0.8 0.6 0.4 0.2 0.0 g) Bulk carbon 0.8 0.6 0.4 0.2 0.0 18 percent of species percent of species percent of species percent of species percent of species percent of species 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 1.2 1.0 Fig. S5 docosane tricosane tetracosane pentacosane hexacosane heptacosane octacosane nonacosane triacontane hentriacontane tritriacontane tetratriacontane pentatriacontane hexatriacontane heptatriacontane octatriacontane nonatriacontane pentadecylcyclohexane fluoranthene pyrene benzo[ghi]fluoranthene cyclopenta[cd]pyrene benz[a]anthracene benzo[b&k]fluoranthene benz[a&e]pyrene indeno[1,2,3−cd]pyrene benzo[ghi]perylene coronene methyl−202−PAH sum methyl−228−PAH sum 1,8−naphthalic anhydride anthracene−9,10−dione benz[de]anthracene−7−one 20R−abb & 20S−aaa−cholestane 20R & S−abb−methylcholestane 20R & S−abb−ethylcholestane a−22,29,30−trisnorhopane ba−30−norhopane ab−hopane 22S−ab−30−homohopane 22R−ab−30−homohopane 22S−ab−30−bishomohopane 22R−ab−30−bishomohopane dodecanoic acid hexadecanoic acid octadecanoic acid nitrate sulfate EC OC_PK2 OC_PK3 PC percent of species 1.2 a) Nitrate 0.8 0.6 0.4 0.2 0.0 b) Sulfate 0.8 0.6 0.4 0.2 0.0 c) n−Alkane 0.8 0.6 0.4 0.2 0.0 d) Sterane 0.8 0.6 0.4 0.2 0.0 e) Light SVOC 0.8 0.6 0.4 0.2 0.0 f) PAH 0.8 0.6 0.4 0.2 0.0 g) Bulk carbon 0.8 0.6 0.4 0.2 0.0 19 anthracene−9,10−dione methyl−202−PAH sum coronene benzo[ghi]perylene indeno[1,2,3−cd]pyrene benz[a&e]pyrene benzo[b&k]fluoranthene PC OC_PK3 OC_PK2 EC sulfate 22R−ab−30−bishomohopane 22S−ab−30−bishomohopane 22R−ab−30−homohopane 22S−ab−30−homohopane ab−hopane ba−30−norhopane a−22,29,30−trisnorhopane 20R & S−abb−ethylcholestane 20R & S−abb−methylcholestane 20R−abb & 20S−aaa−cholestane Fig. S6 benz[a]anthracene 1.0 pyrene 1.2 benzo[ghi]fluoranthene 1.0 fluoranthene 1.2 pentatriacontane 1.0 pentadecylcyclohexane 1.2 tetratriacontane 1.0 nonacosane 1.2 tritriacontane 1.0 octacosane percent of species 1.2 hexacosane percent of species percent of species 1.0 heptacosane percent of species 1.2 pentacosane percent of species percent of species 1.0 tricosane docosane percent of species 1.2 a) Sulfate 0.8 0.6 0.4 0.2 0.0 b) n−Alkane 0.8 0.6 0.4 0.2 0.0 c) Sterane 0.8 0.6 0.4 0.2 0.0 d) Light SVOC 0.8 0.6 0.4 0.2 0.0 e) PAH 0.8 0.6 0.4 0.2 0.0 f) Bulk carbon 0.8 0.6 0.4 0.2 0.0 g) Medium n−alkane 0.8 0.6 0.4 0.2 0.0 20 References Fraser, M. P., Cass, G. R., Simoneit, B. R. T., and Rasmussen, R. A.: Air quality model evaluation data for organics. 4. C2−C36 non-aromatic hydrocarbons, Environ. Sci. Technol., 31, 2356-2367, 1997. Fraser, M. P., Cass, G. R., Simoneit, B. R. T., and Rasmussen, R. A.: Air quality model evaluation data for organics. 5. C6−C22 nonpolar and semipolar aromatic compounds, Environ. Sci. Technol., 32, 1760-1770, 1998. Mandalakis, M., Tsapakis, M., Tsoga, A., and Stephanou, E. G.: Gas–particle concentrations and distribution of aliphatic hydrocarbons, PAHs, PCBs and PCDD/Fs in the atmosphere of Athens (Greece), Atmos. Environ., 36, 4023-4035, 2002. Simcik, M. F., Zhang, H., Eisenreich, S. J., and Franz, T. P.: Urban contamination of the Chicago/coastal lake Michigan atmosphere by PCBs and PAHs during AEOLOS, Environ. Sci. Technol., 31, 2141-2147, 1997. Simcik, M. F., Franz, T. P., Zhang, H., and Eisenreich, S. J.: Gas-particle partitioning of PCBs and PAHs in the Chicago urban and adjacent coastal atmosphere: States of Equilibrium, Environ. Sci. Technol., 32, 251-257, 1998. Tsapakis, M., and Stephanou, E. G.: Occurrence of gaseous and particulate polycyclic aromatic hydrocarbons in the urban atmosphere: study of sources and ambient temperature effect on the gas/particle concentration and distribution, Environ. Pollut., 133, 147-156, 2005. 21
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