Polycyclic aromatic hydrocarbon

(conc. given in μg/L)

Platform EB165A Gulf of Mexico (1995)

Platform GC19A Gulf of Mexico (1995)

North Sea Sampling (Norwegian sector, 1997)

Grand Banks

(Hibernia oil field)

Scotian Shelf

(Thebaud field)

Naphthalene

12.5

9.7

350

131

1512

C1-naphthalenes

9.6

7.7

260

186

499

C2-naphthalenes

5.7

6.7

150

163

92

C3-naphthalenes

2.85

3.8

100

97.2

17

C4-naphthalenes

54.1

3.0

Acenaphthylene

0.09

0.0185

nd

2.3

1.3

Acenaphthene

0.009

0.038

1.8

nd

nd

Biphenyl

nd

nd

Fluorene

0.135

0.23

8.9

16.5

13

Phenanthrene

0.135

0.25

16.4

29.3

4.0

C1-phenanthrenes

20.3

45.0

1.30

C2-phenanthrenes

6.3

37.1

0.55

C3-phenanthrenes

7.9

24.4

0.37

Dibenzothiophene

0.079

0.265

2.5

C1-dibenzothiophenes

0.19

0.5

5.7

C2-dibenzothiophenes

0.355

0.845

6.1

C3-dibenzothiophenes

0.365

0.87

3.2

Fluoranthene

0.001

0.009

0.4

0.51

0.39

Pyrene

0.014

0.017

0.7

0.94

0.36

Benz(a)anthracene

0.6

0.60

0.32

Chrysene

nd

0.005

0.5

3.6

nd

Perylene

nd

nd

Benzo(b)fluoranthene

0.61

nd

Benzo(k)fluoranthene

0.2

nd

nd

Benzo(a)pyrene

nd

0.001

0.2

0.38

nd

Benzo(e)pyrene

0.83

nd

Benzo(g,h,i)perylene

nd

0.0015

0.2

0.17

nd

Dibenz(a,h)anthracene

0.21

nd

Indeno(1,2,3-cd)pyrene

nd

nd