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Table 2 Proposed reference values

From: A chronicle of the changes undergone by a maritime territory, the Bay of Toulon (Var Coast, France), and their consequences on PCB contamination

tPCBs (ng g−1 dw)

Sediment qualification

<10

Not polluted

10–25

Slightly polluted

25–50

Moderately polluted

50–100

Polluted

>100

Very polluted

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