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M
astovska
et al
.
:
J
ournal of
AOAC I
nternational
V
ol
. 98, N
o
. 2, 2015
Table 2014.08B. Statistical results for the studied PAHs at three different concentration levels in shrimp after elimination of
statistical outliers
PAH
No. of
laboratories
No. of
replicates
Mean
concn, µg/kg
Mean
recovery, % s
r
, µg/kg s
R
, µg/kg RSD
r
, % RSD
R
, % HorRat
1,7-DMP
9
18
21.7
108.6
2.6
4.1
11.8
18.9
0.66
9
18
22.7
113.7
1.8
4.2
8.0
18.7
0.66
9
18
21.7
108.3
1.9
4.4
8.8
20.4
0.72
1-MN
9
18
23.1
115.4
6.2
6.8
26.9
29.4
1.04
9
18
81.5
108.6
6.7
15.6
8.3
19.1
0.82
9
18
203.2
101.6
17.8
55.4
8.8
27.3
1.34
1-MP
9
18
10.0
99.9
1.0
1.4
9.8
14.0
0.44
9
18
25.0
99.9
1.9
3.7
7.6
14.9
0.53
9
18
119.4
95.5
6.7
15.7
5.6
13.1
0.60
2,6-DMN
8
16
15.6
103.9
1.1
2.6
6.9
16.4
0.55
8
16
37.8
94.6
4.8
7.4
12.6
19.5
0.74
7
14
146.7
83.8
16.6
20.3
11.3
13.9
0.65
6-MC
9
18
11.1
110.5
0.6
1.5
5.8
13.1
0.42
9
18
32.2
107.2
1.6
3.6
5.1
11.1
0.42
9
18
145.2
100.1
8.7
13.7
6.0
9.4
0.44
Ant
9
18
4.9
98.5
0.3
0.5
6.7
10.3
0.29
9
18
10.6
105.7
0.8
1.7
7.3
16.2
0.51
9
18
38.9
97.4
2.4
4.6
6.2
11.7
0.45
BaA
9
18
4.8
95.9
0.3
0.5
7.0
9.7
0.27
9
18
15.0
99.9
0.6
1.3
4.3
8.4
0.28
9
18
56.6
94.4
2.5
5.2
4.5
9.2
0.37
BaP
9
18
1.9
96.2
0.1
0.2
6.5
12.1
0.29
9
18
4.9
98.7
0.4
0.5
7.3
9.6
0.27
8
16
23.1
92.3
1.1
1.6
4.6
7.0
0.25
BbF
9
18
4.8
96.7
0.3
0.5
6.6
10.1
0.28
9
18
9.8
98.2
0.3
0.7
2.6
7.0
0.22
9
18
71.6
95.5
3.9
6.3
5.5
8.8
0.37
BghiP
8
16
1.9
94.7
0.1
0.2
7.0
11.7
0.28
8
16
4.9
98.5
0.2
0.5
4.3
9.9
0.28
8
16
18.0
90.1
1.0
1.4
5.7
7.9
0.27
BkF
9
18
2.0
99.5
0.1
0.3
6.2
13.7
0.34
9
18
8.1
101.7
0.4
0.7
4.9
8.7
0.26
9
18
38.3
95.8
1.8
2.8
4.7
7.2
0.28
Chr
8
16
15.2
101.5
0.5
1.4
3.1
9.4
0.31
9
18
50.7
101.4
2.2
4.1
4.4
8.1
0.32
9
18
167.4
95.6
9.0
14.5
5.3
8.7
0.41
DBahA
9
18
1.9
95.9
0.2
0.3
10.9
13.5
0.33
9
18
5.0
100.4
0.3
0.6
6.6
11.2
0.32
9
18
13.8
91.8
0.9
1.2
6.4
8.4
0.28
Fln
8
16
5.2
103.0
0.1
0.5
1.4
10.0
0.28
9
18
15.4
102.3
0.6
1.1
4.2
7.5
0.25
9
18
47.3
94.7
2.1
4.1
4.5
8.7
0.34
Flt
9
18
9.7
97.2
0.6
1.0
6.0
10.4
0.32
9
18
25.1
100.3
1.4
2.4
5.5
9.7
0.35
9
18
93.9
93.9
4.9
8.7
5.2
9.3
0.41
IcdP
9
18
2.0
98.2
0.1
0.3
5.3
13.3
0.32
9
18
5.1
102.2
0.5
0.6
9.1
11.0
0.31
Candidates for 2016 Method of the Year
237