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Table 3.4.2.
Coefficients (r) of linear correlations of street air mutagenicity and S-PAC (dibenzothiophene (dBT) and benzo(b)naptho(2,1-d)thiophene (BNT)) with different air pollution components and outside city meteorological data.
 

 

Impact of Regulations of Traffic Emissions on PAH Level in the Air
Compound TA98+S9 TA98-S9 TA98NR dBT BNT
TA98+S9 0.91*** 0.91*** 0.90** 0.64*
TA98-S9 0.91*** 0.85*** 0.73* 0.63*
TA98NR 0.91*** 0.85*** 0.71* 0.62*
dBT 0.90** 0.73* 0.71* 0.68*
BNT 0.64* 0.63* 0.62* 0.68*
Benzo(a)pyrene 0.63* 0.79** 0.80** 0.30 0.56*
Benzo(e)pyrene 0.73** 0.74** 0.73** 0.59* 0.82***
Benzo(ghi)perylene 0.54 0.74** 0.77** 0.23 0.64*
Coronene 0.39 0.67* 0.71** 0.00 0.49
Benzo(bjk)fluoranthenes 0.69** 0.74** 0.75** 0.55* 0.75**
DieselBeP 0.38 0.38 0.38 0.24 0.50
Benzanthrone 0.51 0.36 0.34 0.63* 0.68**
NO 0.37 0.42 0.46 0.00 0.22
NNO2 0.55* 0.34 0.29 0.40 0.49
Gas NOy 0.50* 0.47 0.48 0.12 0.32
CO -0.08 -0.32 -0.36 -0.03 -0.10
SO2 0.79*** 0.67** 0.61* 0.64* 0.60*
Ozone 0.08 -0.05 -0.10 0.10 0.15
Lead 0.31 0.29 0.29 0.10 0.34
Bromide 0.22 0.22 0.27 0.20 0.52
Copper 0.37 0.34 0.07 0.32 0.37
Manganese -0.15 -0.18 -0.22 -0.03 0.14
Zinc 0.34 0.30 0.24 0.20 0.43
Iron 0.30 0.27 0.22 0.32 0.52
Titanium 0.35 0.31 0.24 0.34 0.58*
Silicon 0.34 0.30 0.23 0.32 0.67*
Calcium 0.24 0.20 0.13 0.20 0.57*
Sulphate 0.22 0.20 0.16 -0.15 0.33
Vanadium 0.32 0.30 0.27 -0.02 0.41
Nickel 0.17 0.15 0.14 -0.09 0.34
Potassium 0.46 0.43 0.36 0.30 0.68**
Soot 0.48 0.54* 0.53* 0.11 0.35
Particulate matter 0.47 0.45 0.39 0.31 0.54
Temperature 0.61* 0.42 0.38 0.56 0.40
Wind-rate 0.32 0.34 0.39 0.68 0.31
Global radiation 0.31 0.13 0.08 0.32 0.41


* : Significant, p < 0.05, ** : Significant, p < 0.01, ***: Significant, p < 0.001.