AOAC Final Action Methods in 2018

Table 2014.08D. Statistical results for the studied PAHs at three different concentration levels in oyster after elimination of statistical outliers

No. of laboratories

No. of replicates

Mean concn, µg/kg

Mean recovery, %

PAH

s r , µg/kg s R , µg/kg RSD r , % RSD R , % HorRat

1,7-DMP

8 8 8 8 9 9 7 8 8 7 7 7 9 9 9 7 7 6 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 8 9 9 9 9 9 9 9 9 9

16 16 16 16 18 18 14 16 16 14 14 14 18 18 18 14 14 12 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 16 18 18 18 18 18 18 18 18 18

72.3 69.0 65.6 67.9 90.8

90.4 86.2 82.0 90.5 90.8 94.6 80.8 79.8 77.3 76.2 77.2 71.7 92.5 88.6 87.5 53.2 50.3 56.6 72.6 68.6 71.6 49.7 48.2 49.3 85.9 81.8 82.8 82.4 81.9 78.4 85.9 84.3 83.8 85.9 81.6 81.6 82.7 82.2 80.0 83.3 81.2 76.0 88.2 83.9 80.5 86.8 83.3

4.1 4.9 5.5 4.3

11.7 12.6 13.2 14.8 28.9 55.3

5.7 7.1 8.4 6.4

16.2 18.3 20.1 21.8 31.9 23.4 23.9 19.3 22.4 17.5 18.6 13.0 13.0 13.0 12.0 55.0 64.7 44.5 19.7 21.1 17.5 43.5 42.2 40.5 11.6 11.2 11.9 12.3 13.6 11.7 16.3 15.4 13.1 13.0 13.4 12.7 15.4 14.6 19.9 16.2 17.9 14.2 13.1 13.7 9.9 10.6 9.3

0.68 0.76 0.83 0.91 1.39 1.18 0.83 0.74 1.06 0.65 0.76 0.62 0.47 0.55 0.59 1.56 1.94 1.67 0.62 0.71 0.73 1.10 1.18 1.45 0.35 0.40 0.51 0.34 0.41 0.41 0.48 0.52 0.54 0.39 0.45 0.46 0.35 0.41 0.43 0.50 0.51 0.81 0.57 0.69 0.65 0.36 0.42

1-MN

20.6 26.4

22.7 11.2

236.6

1-MP

20.2 39.9

1.8 2.6

4.8 7.7

8.8 6.4

154.7

16.9

34.7

10.9

2,6-DMN

30.5 57.9

3.0 4.9

5.3

9.8 8.5 7.9 6.0 6.4 5.1 8.8 8.8 7.7 5.8 5.4 9.0 6.4 6.6 7.1 4.1 5.9 8.6 4.9 7.7 6.5 6.1 6.5 6.2 4.3 9.0 7.5 4.4 8.2 6.8 4.0 9.5

10.8 20.9

161.3

12.7

3-MC

27.8 79.8

1.7 5.1

3.6

10.3 23.5

196.8

10.1

Ant

5.3 7.5

0.5 0.8 3.0 0.8 1.0 3.9 0.3 0.4 1.6 0.6 1.7 3.4 0.2 0.7 1.0 0.5 1.1 3.8 2.8 5.0 8.7 0.4 0.6 0.7 1.0 1.4 2.3 2.1 5.1 7.0 0.4 0.8

2.9 4.9

10.0

34.0 10.9 17.2 71.6

15.1

BaA

2.2 3.6

12.5

BaP

2.5 4.8

1.1 2.0

11.9

24.6

10.0

BbF

8.6

1.0 2.7 9.8 0.5 1.1 2.3 1.1 2.6 8.2 4.3 8.6 0.5 1.1 2.0 1.9 3.0

24.6 82.8

BghiP

4.1 8.2

19.6

BkF

6.9

16.9 62.9 43.0 81.6

Chr

204.1

19.0

DBahA

4.1 8.2

16.0 12.5 20.3 57.0 22.0 42.0

Fln

11.3

Flt

3.6 7.5

12.2

120.7

17.1

5.8 9.6 9.0

IcdP

4.3 8.3

0.6 1.1

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