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*

Correlation coefficients are significant at a level of 0.05.

(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*

Correlation coefficients are significant at a level of 0.05.