Table 5 The mean values and ranges of diagnostic ratios calculated for PM10 and PM2.5

From: Chemical investigation of polycyclic aromatic hydrocarbon sources in an urban area with complex air quality challenges

 

PM10

PM2.5

Mean

Range

Mean

Range

IcdP/(IcdP + BghiP)

0.09

0.05–0.23

0.10

0.04–0.34

Flu/(Flu + Pyr)

0.64

0.35–0.86

0.74

0.52–0.93

Pyr/BaP

0.27

0.01–1.16

0.26

0.01–1.24

Phe/(Phe + Anth)

0.37

0.29–0.47

0.35

0.29–0.44

Anth/(Anth + Phe)

0.63

0.53–0.71

0.65

0.56–0.71

Fla/(Fla + Pyr)

0.63

0.37–0.82

0.68

0.45–0.91

BaP/(BaP + Chr)

0.66

0.57–0.75

0.65

0.36–0.77

BaA/(BaA + Chr)

0.70

0.56–0.89

0.64

0.45–0.85

BaP/(BaP + BeP)

0.56

0.36–0.79

0.63

0.50–0.94

BaP/BghiP

0.75

0.40–1.14

0.68

0.26–1.08

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