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M

astovska

et al

.:

J

ournal of

AOAC I

nternational

V

ol

.

98, N

o

. 2, 2015 

493

Table 3. Collaborative study results (in µg/kg) obtained by the participating laboratories in blind duplicates fortified at the

low PAH level in shrimp

Laboratory No.

PAH

Sample ID

1

2

3

4

5

6

7

8

9

1,7-DMP SFC S10

17.4

17.9

24.9

14.1

21.4

21.2

18.5

23.4

26.4

SFC S11

23.2

25.6

27.0

14.2

21.4

20.8

23.1

23.1

27.4

1-MN

SFC S10

44.8

33.3

23.5

17.9

23.6

22.1

17.8

18.6

20.5

SFC S11

24.6

18.0

25.4

19.6

26.4

20.2

22.3

19.3

17.5

1-MP

SFC S10

9.1

8.4

10.4

7.5

9.9

10.7

8.8

9.8

11.5

SFC S11

10.7

10.5

12.3

7.5

9.8

10.4

11.2

9.3

11.9

2,6-DMN SFC S10

32.0

a

16.8

17.4

21.4

14.8

13.7

13.1

13.1

14.8

SFC S11

35.3

a

15.4

16.7

20.1

14.2

14.0

16.7

13.0

13.9

6-MC

SFC S10

7.8

11.6

12.5

10.9

10.6

10.8

9.7

11.9

11.8

SFC S11

8.4

10.8

13.6

11.0

10.6

10.7

11.9

12.4

11.9

Ant

SFC S10

3.8

5.2

5.6

4.7

4.7

5.1

4.0

5.0

5.2

SFC S11

4.6

5.2

5.9

4.7

4.7

5.0

5.1

5.1

5.0

BaA

SFC S10

3.9

5.5

4.6

4.7

4.6

4.7

4.2

5.1

4.9

SFC S11

4.1

5.2

5.5

4.7

4.6

4.6

5.2

5.2

4.9

BaP

SFC S10

1.4

2.2

2.0

1.9

1.8

1.9

1.7

2.2

1.9

SFC S11

1.6

2.0

2.2

1.9

1.8

1.9

2.1

2.2

1.9

BbF

SFC S10

3.7

5.2

5.1

4.8

4.6

4.7

4.3

5.1

4.7

SFC S11

4.3

5.4

5.8

4.8

4.5

4.7

5.2

5.1

5.0

BghiP

SFC S10

1.4

2.2

1.9

1.9

1.8

1.9

1.7

2.0

2.7

a

SFC S11

1.6

2.1

2.2

1.9

1.8

1.9

2.0

2.0

3.5

a

BkF

SFC S10

1.4

2.3

2.2

2.0

1.9

1.7

1.8

2.2

2.0

SFC S11

1.6

2.2

2.3

2.0

1.9

1.6

2.3

2.2

2.0

Chr

SFC S10

12.3

17.6

15.5

14.9

14.2

14.7

13.2

a

15.7

15.9

SFC S11

13.1

16.8

16.9

15.0

14.3

14.5

16.2

a

16.3

16.0

DBahA SFC S10

1.3

2.1

2.2

2.0

1.8

2.0

1.7

2.1

2.3

SFC S11

1.6

2.0

1.9

1.9

1.7

1.9

2.2

2.2

1.6

Fln

SFC S10

4.3

5.3

5.5

4.9

4.8

5.0

4.2

a

5.6

6.0

SFC S11

4.3

5.4

5.6

4.9

4.8

5.0

5.2

a

5.4

5.9

Flt

SFC S10

7.2

10.6

9.8

9.6

9.2

9.5

8.5

10.6

10.8

SFC S11

8.2

10.7

10.7

9.7

9.2

9.5

10.4

10.6

10.1

IcdP

SFC S10

1.4

2.2

1.9

2.0

1.7

2.0

1.7

2.3

2.1

SFC S11

1.6

2.1

2.0

2.0

1.7

2.0

2.1

2.3

2.1

Naph

SFC S10

35.8

29.6

28.9

26.0

27.3

26.1

23.3

28.1

33.9

a

SFC S11

27.1

26.2

27.7

26.3

27.1

24.7

29.5

29.0

42.5

a

Phe

SFC S10

12.2

16.1

14.4

14.7

15.0

14.9

12.7

b

15.6

16.2

SFC S11

13.2

16.3

16.1

14.6

14.9

15.2

15.9

b

15.5

16.4

Pyr

SFC S10

12.0

16.0

14.4

14.8

14.2

14.6

12.6

15.6

16.0

SFC S11

12.8

15.8

16.6

14.9

14.2

14.4

15.7

15.7

15.7

a

Outliers removed by the Cochran test.

b

Outliers removed by single Grubbs’ test.