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Journal of Chemistry
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2016
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Article
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Tab 2
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Research Article
Effects of Different Water Seasons on the Residual Characteristics and Ecological Risk of Polycyclic Aromatic Hydrocarbons in Sediments from Changdang Lake, China
Table 2
The reference standard of PAHs source identification for ratio method.
Petrogenic origin
Petroleum combustion
Combustion of biomass and coal
Reference
Ant/(Ant + Phe)
<0.10
>0.10
>0.10
[
14
]
Group of sites
All of the sampling sites
Fla/(Fla + Pyr)
<0.40
0.50 >
> 0.40
>0.50
[
20
,
21
]
Group of sites
M1, M2, M3, M6, and J6
J1, J4, J5, S1, S5, and S6
Other sampling sites
BaA/(BaA + Chr)
<0.20
0.35 >
> 0.20
>0.35
[
14
]
Group of sites
S2 and S4
M1, M4
J4 and J5
Other sampling sites