2 2*. Correlation is significant at the 0.05 level (2-tailed), **. Correlation is significant at the 0.01 level (2-tailed), (B= Benzene), (T= Toluene), (EB= Ethylbenzene), (S= Styrene), (X= Xylene), (TALHC: Total aliphatic hydrocarbons), (TARHC: Total aromatic hydrocarbons), (THC: Total hydrocarbons), (CG: City gas), (Temp= Temperature), (Precip= Precipitation), (WS= Wind speed), (Hum= Humidity), and (SR= Solar radiation)
2 2*. Correlation is significant at the 0.05 level (2-tailed), **. Correlation is significant at the 0.01 level (2-tailed), (B= Benzene), (T= Toluene), (EB= Ethylbenzene), (S= Styrene), (X= Xylene), (TALHC: Total aliphatic hydrocarbons), (TARHC: Total aromatic hydrocarbons), (THC: Total hydrocarbons), (CG: City gas), (Temp= Temperature), (Precip= Precipitation), (WS= Wind speed), (Hum= Humidity), and (SR= Solar radiation)
1-s2.0-S0301479717312355-mmc1.docx