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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.