Bay of Quiberon

Gulf of Morbihan

Sediment Quality Guidelines (SQGs)

Mean

Min - Max

Mean

Min - Max

Non

Polluted

Moderately Polluted

Heavily polluted

Cu

14.4

2.56 - 40.9

21.9

1.20 - 48.6

<25

25 - 50

>50

Zn

40.7

4.60 - 98.9

38.4

4.78 - 89.9

<90

90 - 200

>200

Cd

0.07

0.01 - 0.19

0.11

0.01 - 0.30

-

-

>6

Pb

15.1

3.61 - 28.0

23.8

2.43 - 42.7

<40

40 - 60

>60