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Table 3 Comparison between different PCDD- and PCDF-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 PCDD/Fs WHO-TEQ) Milk (% of PCDD/Fs WHO-TEQ)
  Engidalur Control C2 Engidalur Control C3 Engidalur Control C2 Engidalur Control C3
2,3,7,8 TCDF <0.05 0.13 0.29 <0.07 <0.6 12.9 0.7 <6.0
1,2,3,7,8 PeCDDF 0.41 <0.03 0.17 <0.03 2.5 <1.5 0.2 <2.6
2,3,4,7,8 PeCDF 0.15 <0.03 3.18 0.017 29.9 <15.0 36.1 1.5
1,2,3,4,7,8 HxDCF 0.56 <0.03 1.72 <0.02 6.7 <3.0 3.9 <1.7
1,2,3,6,7,8 HxCDF 0.75 <0.03 2.14 <0.02 9.0 <3.0 4.9 <1.7
2,3,4,6,7,8 HxCDF 0.89 <0.03 2.78 <0.05 10.6 <3.0 6.3 <4.0
1,2,3,7,8,9 HxCDF 0.01 <0.03 0.08 <0.08 0.1 <3.0 0.2 <7.0
1,2,3,4,6,7,8 HpCDF 2.60 0,14 0.74 <0.02 3.1 1,4 0.2 <1.7
1,2,3,4,7,8,9 HpCDF 0.24 <0.04 0.15 <0.07 0.3 <0.4 0.0 <6
OCDF 0.99 0.22 0.40 <0.14 0.0 0.0 0.0 <12
2,3,7,8 TCDD <0.05 <0.02 0.42 <0.03 <5.7 <20.0 9.7 <2.6
1,2,3,7,8 PeCDD 0.19 <0.03 1.48 <0.04 22.7 <30.0 33.7 <3.4
1,2,3,4,7,8 HxCDD 0.15 <0.03 0.61 <0.06 1.8 <3.0 1.4 <5.1
1,2,3,6,7,8 HxCDD 0.28 0.03 1.20 <0.03 3.3 <3.4 2.7 <2.6
1,2,3,7,8,9 HxCDD 0.19 <0.03 0.47 <0.04 0.2 0.3 0.1 <3.4
1,2,3,4,6,7,8 HpCDD 1.70 0.35 1.07 <0.05 0.2 <0.3 0.0 <4.3
OCDD 2.0 1,35 5.96 <0.4 0.0 0.1 0.0 <34
  1. 1 The results are based on hay with 12% moisture content.
  2. 2 Average of 4 samples.
  3. 3 Average of 10 samples.