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Table 6 The molecular diagnostic ratios of Phen/Ant and Fluo/Pyr for evaluation of PAHs contamination source

From: Mutual relations between PAHs derived from atmospheric deposition, enzymatic activity, and humic substances in soils of differently urbanized areas

 

Phen/Ant

Fluo/Pyr

Year

2014

2015

2016

2014

2015

2016

Urban area

8.8

8.2

8.1

1.2

1.2

1.2

Suburban area

8.4

7.8

7.3

1.2

1.3

1.3

Rural area

7.3

7.0

7.1

1.4

1.4

1.4

  1. Phen/Ant ratio < 10—pyrogenic source of PAHs; Fluo/Pyr ratio > 1.0—petrogenic source of PAHs
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