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 8

(a) Pearson correlation coefficients between different carbonyl compounds. (b) Pearson correlation coefficients between carbonyl compounds and other air quality parameters.
(a)

SitesCompounds FRMLACTLPPNLMEKBTLiVAL

YIACTL0.838*
PPNL0.356*0.455*
MEK0.507*0.320*−0.151
BTL0.1440.274*0.164−0.061
iVAL0.0990.0740.1550.077−0.053
VAL0.0740.1480.1490.168−0.063−0.039

YRACTL0.821*
PPNL0.638*0.796*
MEK0.363*0.2090.061
BTL0.287*0.2050.096−0.014
iVAL0.328*0.287*0.385*0.385*−0.069
VAL0.397*0.301*0.032−0.0090.340*0.189

GIACTL0.428*
PPNL0.266*0.485*
MEK0.0640.022−0.063
BTL0.439*0.293*0.041−0.081
iVAL0.0110.0500.0010.356*0.120
VAL0.271*0.1410.303*0.389*−0.1020.245*

GRACTL0.584*
PPNL0.452*0.697*
MEK0.0880.001−0.057
BTL−0.0280.004−0.0400.020
iVAL0.0400.045−0.0460.029−0.021
VAL0.1230.0950.0590.057−0.0390.179

SCACTL0.271*
PPNL0.1200.713*
MEK0.425*0.251*−0.123
BTL−0.066−0.113−0.091−0.171
iVAL−0.0540.426*0.1660.091−0.042
VAL0.122−0.1180.004−0.229*0.044−0.088

Correlation coefficients are significant at a level of 0.05.
FRML: formaldehyde; ACTL: acetaldehyde; PPNL: propionaldehyde; MEK: methyl ethyl ketone; BTL: butyraldehyde.
iVAL: i-valeraldehyde; VAL: n-valeraldehyde.
(b)

SitesCompounds SO2PM10O3NO2COTemp (°C)Wind speed (m/s)

YIFRML0.225*0.298*0.532*0.016−0.1750.276*−0.160
ACTL0.448*0.365*0.279*0.230*0.0930.021−0.072
PPNL0.345*0.0760.0530.1680.1260.051−0.074
MEK−0.0890.1390.237*−0.023−0.1760.134−0.267*
BTL0.575*0.1670.130−0.019−0.0070.0140.236*
iVAL−0.0160.0140.275*−0.125−0.0190.0900.046
VAL−0.0120.099−0.0490.0720.110−0.239*0.049

YRFRML0.0960.509*0.1150.498*0.1850.151−0.246*
ACTL0.1430.581*−0.1120.714*0.402*−0.102−0.247*
PPNL0.0840.337*−0.0990.497*0.275*−0.079−0.251*
MEK0.1620.169−0.2210.0860.1000.004−0.097
BTL−0.1050.227*0.1440.100−0.0380.1010.220
iVAL0.0330.062−0.1570.0900.0840.055−0.173
VAL0.0350.297*0.1070.2090.0490.251*−0.172

GIFRML0.0330.1180.279*0.126−0.0490.362*−0.127
ACTL0.261*0.410*0.0580.525*0.332*0.249*−0.303*
PPNL0.1390.0910.1940.1690.0260.528**0.000
MEK−0.247*−0.062−0.195−0.195−0.0730.132−0.030
BTL0.0390.0510.1550.176−0.0490.116−0.041
iVAL−0.0630.119−0.0280.038−0.0040.066−0.087
VAL−0.1630.039−0.015−0.128−0.1500.312*0.021

GRFRML−0.0040.1610.1800.1000.0270.248*−0.197
ACTL0.258*0.505*0.0440.478*0.360*0.114−0.392*
PPNL0.0040.0720.1410.0690.0070.200−0.174
MEK0.0420.067−0.2180.0720.0840.056−0.079
BTL−0.081−0.021−0.048−0.096−0.072−0.024−0.064
iVAL0.0520.2050.0890.095−0.0040.129−0.072
VAL0.0750.0350.110−0.0370.0570.329*−0.072

SCFRML0.347*0.414*0.0150.460*0.377*0.138−0.378*
ACTL0.295*0.327*−0.1090.466*0.348*−0.057−0.405*
PPNL0.292*0.223*−0.1330.263*0.155−0.127−0.244*
MEK0.267*0.465*−0.0630.488*0.590*−0.231*−0.277*
BTL−0.135−0.0610.075−0.138−0.1550.1160.097
iVAL0.0580.025−0.283*0.252*0.300*−0.175−0.237*
VAL−0.162−0.1200.189−0.196−0.1980.396*0.026

Correlation coefficients are significant at a level of 0.05.
FRML: formaldehyde; ACTL: acetaldehyde; PPNL: propionaldehyde; MEK: methyl ethyl ketone; BTL: butyraldehyde.
iVAL: i-valeraldehyde; VAL: n-valeraldehyde.