SQGs (µg∙g−1)

Percentage of the samples exceeding SQGs (%)

ERL

ERM

TEL

PEL

ERL

ERL-ERM

TEL

TEL-PEL

Bay of Quiberon

Cu

34

270

18.7

108.2

97

3

75

25

Zn

150

410

124

271

100

0

100

0

Cd

1.2

9.6

0.68

4.2

100

0

100

0

Pb

46.7

218

30.2

112.2

100

0

100

0

Gulf of Morbihan

Cu

34

270

18.7

108.2

85.1

14.9

38.3

61.7

Zn

150

410

124

271

100

0

100

0

Cd

1.2

9.6

0.68

4.2

100

0

100

0

Pb

46.7

218

30.2

112.2

100

0

78.4

21.6