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Table 5 Comparison between different dioxin-like PCB congeners in milk and hay form Engidalur with background levels. Both absolute concentrations and the relative contributions of TEQ of each congener are presented.

From: Contamination of livestock due to the operation of a small waste incinerator: a case incident in Skutulsfjörður, Iceland, in 2010

 

Hay (pg/g)1

Milk (pg/g fat)

Hay (% of PCB WHO-TEQ)

Milk (% of PCB WHO-TEQ)

 

Engidalur

Control C2

Engidalur

Control C3

Engidalur

Control C2

Engidalur

Control C3

Non-ortho PCBs

        

PCB-77

28

17

6,8

<3

0.55

1.4

0.02

<0.1

PCB-81

1.8

1.1

3,0

<0,2

0.04

0.1

0.01

<0.01

PCB-126

4.4

0.5

35,5

2,7

86.1

40.8

81.0

77.8

PCB-169

0.77

<0.09

7,5

0,7

1.5

<0.7

1.7

2.0

Mono-ortho PCBs

        

PCB-105

130

88

1071

146

2.5

7.2

2.4

4.2

PCB-114

7

8

118

17

0.69

3.3

1.3

2.4

PCB-118

310

452

4358

10

6.1

36.9

9.9

0.3

PCB-123

<5

11

80

<11

<0.02

0.9

0.2

<0.3

PCB-156

22

18

231

67

2.2

7.3

2.6

9.7

PCB-157

3

3

56

19

0.29

1.2

0.6

2.7

PCB-167

5

9

107

55

0.01

0.1

0.02

0.2

PVB-189

1

<2

17

<10

0.02

<0.2

0.04

<0.3

  1. 1 The results are based on hay with 12% moisture content.
  2. 2 Average of 4 samples.
  3. 3 Average of 10 samples.