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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