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M
astovska
et al
.:
J
ournal of
AOAC I
nternational
V
ol
.
98, N
o
. 2, 2015
499
Table 9. Collaborative study results (in µg/kg) obtained by the participating laboratories in blind duplicates fortified at the
low PAH level in oyster
Laboratory No.
PAH
Sample ID
1
2
3
4
5
6
7
8
9
1,7-DMP
SFC O2
30.7
a
85.4
74.9
52.1
69.6
52.7
79.5
76.4
73.9
SFC O4
74.6
a
85.7
80.1
58.6
82.0
56.1
76.2
81.5
72.1
1-MN
SFC O2
68.1
61.7
a
81.6
51.7
59.4
71.7
82.0
76.2
38.0
SFC O4
64.2
299.8
a
90.5
56.7
69.1
75.2
81.5
73.7
46.5
1-MP
SFC O2
45.1
a
36.7
a
21.8
12.1
19.9
18.0
25.0
24.6
12.9
SFC O4
103.1
a
22.5
a
24.4
14.3
23.2
19.2
24.9
25.0
17.5
2,6-DMN
SFC O2
88.8
a
29.9
30.5
61.9
a
30.3
23.8
36.0
30.7
24.7
SFC O4
231.7
a
28.6
35.8
30.2
a
36.9
26.1
35.6
36.4
21.3
3-MC
SFC O2
24.6
29.7
34.2
21.1
25.0
27.5
30.4
28.1
23.0
SFC O4
27.4
27.0
34.6
24.6
29.2
28.0
30.6
29.4
25.2
Ant
SFC O2
4.0
a
6.2
7.5
2.3
1.4
5.4
9.1
4.7
—
b
SFC O4
9.8
a
6.6
8.8
1.3
1.5
5.5
8.9
5.1
10.4
b
BaA
SFC O2
9.8
12.7
12.6
5.6
8.6
11.1
13.5
11.3
9.5
SFC O4
10.9
11.7
13.4
8.1
9.5
11.6
13.4
12.0
10.8
BaP
SFC O2
1.5
4.3
2.7
1.4
1.5
1.2
4.3
2.6
2.3
SFC O4
1.8
3.3
3.0
1.8
1.7
1.4
4.3
2.8
2.8
BbF
SFC O2
7.3
10.0
8.8
6.6
7.7
8.9
9.3
8.8
7.4
SFC O4
8.0
9.3
9.5
7.6
9.2
9.8
9.3
9.2
7.9
BghiP
SFC O2
3.3
4.7
4.4
3.2
3.6
4.0
4.7
4.2
4.0
SFC O4
3.8
4.5
4.7
3.6
4.2
4.2
4.7
4.3
3.9
BkF
SFC O2
5.4
8.0
8.2
5.1
6.1
7.2
7.4
6.8
5.3
SFC O4
6.4
7.4
9.1
5.9
7.3
7.8
7.3
7.4
5.8
Chr
SFC O2
39.8
46.7
45.9
32.7
39.2
43.7
46.2
42.4
37.0
SFC O4
44.9
44.9
48.5
38.2
46.6
44.8
46.0
45.5
40.3
DBahA
SFC O2
3.4
5.2
4.1
3.1
3.7
4.0
4.8
4.2
4.7
SFC O4
3.8
4.3
4.3
3.6
4.4
4.1
4.7
4.4
3.8
Fln
SFC O2
11.4
13.1
14.6
8.1
10.6
10.3
14.1
12.8
12.2
SFC O4
12.4
14.6
14.6
10.4
12.4
10.9
13.9
14.0
14.5
Flt
SFC O2
22.2
23.2
23.2
19.5
19.4
26.5
22.9
21.0
16.2
SFC O4
24.5
22.3
25.1
13.5
23.0
28.2
23.5
22.6
19.8
IcdP
SFC O2
3.4
5.0
4.5
3.3
3.7
4.3
4.7
4.3
4.8
SFC O4
4.0
4.5
5.0
3.7
4.4
5.4
4.6
4.4
4.2
Naph
SFC O2
64.1
67.4
79.8
61.6
59.3
71.1
79.2
74.2
74.4
SFC O4
49.1
81.0
79.7
63.7
62.8
72.8
76.5
80.8
79.6
Phe
SFC O2
35.0
47.6
44.2
40.7
39.6
33.7
46.0
43.5
38.8
SFC O4
37.9
47.7
49.1
36.8
47.2
36.7
45.4
46.4
32.6
Pyr
SFC O2
33.3
34.6
36.6
26.0
30.3
32.8
37.6
33.8
30.0
SFC O4
34.8
36.6
39.0
30.1
36.5
34.3
37.1
35.8
33.3
a
Outliers removed by the Cochran test.
b
Removed due to the reported integration issues.
Candidates for 2016 Method of the Year
254