Research Article
Characterization of Odorous Compounds (VOC and Carbonyl Compounds) in the Ambient Air of Yeosu and Gwangyang, Large Industrial Areas of South Korea
Table 7
(a) Pearson correlation coefficients between the different VOC. (b) Pearson correlation coefficients between VOC and other air quality parameters.
(a) |
| Sites | Compounds | Benzene | Ethyl acetate | MIBK | Toluene | m, p-Xylenes | Styrene |
| YI | Ethyl acetate |
0.053 | | | | | | MIBK | 0.317* | 0.059 | | | | | Toluene | 0.545* | 0.070 | 0.581* | | | | m, p-Xylenes | 0.532* | 0.155* | 0.753* | 0.692* | | | Styrene | 0.278* | 0.051 | 0.267* | 0.408* | 0.396* | | o-Xylene | 0.410* | 0.084 | 0.773* | 0.644* | 0.857* | 0.430* |
| YR | Ethyl acetate | 0.262* | | | | | | MIBK | 0.114 | 0.402* | | | | | Toluene | 0.278* | 0.178* | 0.284* | | | | m, p-Xylenes | 0.380* | 0.601* | 0.475* | 0.212* | | | Styrene | 0.367* | 0.256* | 0.329* | 0.425* | 0.302* | | o-Xylene | 0.385* | 0.644* | 0.445* | 0.269* | 0.949* | 0.349* |
| GI | Ethyl acetate | 0.027 | | | | | | MIBK | −0.016 | 0.220* | | | | | Toluene | 0.413* | 0.187* | 0.391* | | | | m, p-Xylenes | 0.032 | −0.031 | 0.300* | 0.638* | | | Styrene | −0.006 | −0.011 | 0.327* | 0.450* | 0.454* | | o-Xylene | 0.027 | −0.028 | 0.293* | 0.646* | 0.986* | 0.458* |
| GR | Ethyl acetate | 0.201* | | | | | | MIBK | 0.143* | 0.285* | | | | | Toluene | 0.416* | 0.490* | 0.343* | | | | m, p-Xylenes | 0.466* | 0.449* | 0.329* | 0.677* | | | Styrene | 0.159* | 0.011 | −0.019 | 0.219* | 0.224* | | o-Xylene | 0.473* | 0.466* | 0.288* | 0.651* | 0.953* | 0.192* |
| SC | Ethyl acetate | 0.271* | | | | | | MIBK | 0.159* | 0.193* | | | | | Toluene | 0.645* | 0.217* | 0.230* | | | | m, p-Xylenes | 0.500* | 0.256* | 0.131* | 0.735* | | | Styrene | 0.158* | 0.024 | 0.706* | 0.241* | 0.117 | | o-Xylene | 0.511* | 0.310* | 0.190* | 0.718* | 0.978* | 0.151* |
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Correlation coefficients are significant at a level of 0.05.
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(b) |
| Sites | Compounds | SO2 | PM10 | O3 | NO2 | CO | Temp. (°C) | Wind speed (m/s) |
| YI | Benzene | −0.074 | 0.130* | −0.294** | 0.253* | 0.156* | −0.144* | −0.214* | Ethyl acetate | −0.048 | 0.144* | 0.052 | 0.081 | −0.057 | 0.079 | −0.109 | MIBK | 0.101 | 0.162* | −0.027 | 0.367* | −0.064 | 0.063 | −0.266* | Toluene | 0.053 | 0.254* | −0.077 | 0.463* | 0.024 | 0.048 | −0.297* | m, p-Xylenes | 0.030 | 0.235* | −0.121 | 0.377* | −0.038 | 0.063 | −0.297* | Styrene | 0.196* | 0.188* | −0.239** | 0.199* | −0.022 | 0.223* | −0.253* | o-Xylene | 0.048 | 0.140* | −0.127 | 0.302* | −0.079 | 0.191* | −0.330* |
| YR | Benzene | 0.187* | 0.317* | −0.424* | 0.461* | 0.592* | −0.370* | 0.053 | Ethyl acetate | 0.412* | 0.341* | −0.370* | 0.462* | 0.290* | −0.060 | −0.289* | MIBK | 0.333* | 0.133 | −0.207* | 0.280* | 0.081 | 0.022 | −0.063 | Toluene | 0.013 | 0.141 | −0.220* | 0.217* | 0.166* | −0.087 | 0.098 | m, p-Xylenes | 0.589* | 0.322* | −0.473* | 0.552* | 0.428* | 0.003 | −0.373* | Styrene | −0.013 | 0.093 | −0.287* | 0.316* | 0.351* | −0.112 | −0.069 | o-Xylene | 0.516* | 0.323* | −0.468* | 0.542* | 0.373* | 0.011 | −0.362* |
| GI | Benzene | 0.586* | 0.367* | 0.098 | 0.385* | 0.070 | 0.213* | −0.069 | Ethyl acetate | 0.186* | 0.151* | 0.144* | 0.195* | 0.155* | 0.020 | −0.031 | MIBK | 0.106 | 0.176* | −0.156* | 0.228* | 0.357* | −0.122 | −0.031 | Toluene | 0.316* | 0.302* | −0.047 | 0.375* | 0.122 | 0.154* | −0.035 | m, p-Xylenes | 0.019 | 0.057 | −0.076 | 0.061 | 0.105 | −0.057 | 0.027 | Styrene | 0.063 | 0.123 | −0.078 | 0.154* | 0.164* | −0.047 | 0.011 | o-Xylene | 0.021 | 0.060 | −0.082 | 0.074 | 0.120 | −0.074 | 0.042 |
| GR | Benzene | 0.504* | 0.423* | −0.112 | 0.558* | 0.448* | −0.017 | −0.185* | Ethyl acetate | 0.311* | 0.334* | −0.105 | 0.384* | 0.249* | −0.048 | −0.206* | MIBK | 0.265* | 0.173* | −0.141* | 0.275* | 0.241* | −0.056 | −0.060 | Toluene | 0.521* | 0.360* | −0.137 | 0.566* | 0.480* | 0.016 | −0.315* | m, p-Xylenes | 0.430* | 0.362* | −0.483* | 0.672* | 0.591* | −0.199* | −0.355* | Styrene | 0.107 | 0.053 | −0.053 | 0.150* | 0.131 | −0.056 | −0.090 | o-Xylene | 0.384* | 0.402* | −0.517* | 0.699* | 0.584* | −0.192* | −0.369* |
| SC | Benzene | 0.545* | 0.512* | −0.086 | 0.430* | 0.426* | −0.108 | −0.080 | Ethyl acetate | 0.218* | 0.249* | 0.013 | 0.172* | 0.175* | −0.069 | −0.007 | MIBK | 0.177* | 0.063 | −0.034 | 0.068 | 0.106 | −0.075 | −0.011 | Toluene | 0.267* | 0.173* | −0.188* | 0.274* | 0.218* | −0.006 | −0.158* | m, p-Xylenes | 0.117 | 0.129* | −0.262* | 0.325* | 0.126 | 0.190* | −0.367* | Styrene | 0.082 | 0.061 | −0.020 | 0.046 | 0.118 | −0.056 | −0.010 | o-Xylene | 0.127* | 0.163* | −0.241* | 0.332* | 0.119 | 0.228* | −0.361* |
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Correlation coefficients are significant at a level of 0.05.
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