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Table 4 Comparison between the different 7 marker PCBs1 in milk and hay2 form Engidalur with background levels. Both absolute concentration and relative concentrations for each congener are reported.

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

  Hay (ng/g) Milk (ng/g fat) Hay (% of sum 7 PCBs) Milk (% of sum 7 PCBs)
  Engidalur Control C3 Engidalur Control C4 Engidalur Control C Engidalur Control C
PCB-28 0.11 1.20 0.16 <0.09 8.1 30.5 1.7 <2
PCB-52 0.18 0.76 0.10 <0.04 13.2 19.3 1.0 <1
PCB-101 0.33 0.93 0.22 <0.2 24.3 23.7 2.2 <5
PCB-118 0.31 0.30 4.36 0.7 22.8 7.6 44.3 16
PCB-138 0.21 0.34 2.36 1.2 15.4 8.7 24.0 28
PCB-153 0.19 0.34 2.32 1.5 14.0 8.7 23.5 36
PCB-180 0.03 0.06 0.33 0.5 2.2 1.5 3.3 12
  1. 1 PCB number 28, 52, 101, 118, 138, 153 and 180.
  2. 2 Based on hay with 12% moisture content.
  3. 3 Average of 2 samples.
  4. 4 Average of 10 samples.