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continued
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
10
20
17.9
89.3
0.9
1.6
4.9
8.8
0.30
Naph
9
18
23.7
94.6
1.9
4.0
8.1
17.1
0.61
10
20
105.9
84.7
10.1
26.7
9.5
25.2
1.12
8
16
146.7
91.7
7.2
19.2
4.9
13.1
0.61
Phe
8
16
14.5
96.8
0.8
0.9
5.3
6.1
0.20
8
16
93.1
93.1
3.9
8.5
4.1
9.2
0.40
8
16
160.8
91.9
5.8
13.0
3.6
8.1
0.38
Pyr
10
20
14.2
94.6
0.7
1.3
5.0
9.3
0.31
10
20
71.5
95.4
2.9
7.0
4.0
9.8
0.41
10
20
116.5
93.2
4.5
9.6
3.8
8.3
0.37