Dxns Impurity in Chinese PCNB

Supporting Information

Determination of PCDDs, PCDFsand DL-PCBs as Impurities in Chinese Pentachloronitrobenzene Products

Jun Huang1*, Jie Gao1, Gang Yu1, Norimasa Yamazaki2,
Shubo Deng1,Bin Wang1, Roland Weber1,3

1. State Key Joint Laboratory of Environment Simulation and Pollution Control (SKJLESPC),School of Environment, POPsResearchCenter, TsinghuaUniversity, Beijing 100084, P. R. China

2. CSD IDEA (Beijing) Institute of Environmental Innovation Co., Ltd., Beijing 100084, P.R. China

3. POPs Environmental Consulting, Göppingen, Germany

* Corresponding author. Tel.: +86 10 62792598; fax: +86 10 62794006

E-mail address:

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Figure Legends

Figure S1Suggested radical mechanism of PCB formation via chlorobenzene radical

Figure S2Suggested formation of PCDD/Fs from chlorobenzene

Figure S3Chromatogram of PCDD/Fsin#R2 sample

Figure S4 Chromatogram of DL-PCBsin#R2 sample

Table Legends

Table S1Details about the cleanup spike and syringe spike used in this study

Table S2 Concentration of PCDD/Fs and PCBs in two Chinese PCNB raw pesticides

Table S3Concentration of PCDD/Fs and PCBs in three Chinese PCNB formulations

Figure S1Suggested radical mechanism of PCB formation via chlorobenzene radical (Dorrepaal and Louw 1978; Sommeling et al. 1993)

Figure S2Suggested formation of PCDD/Fs from chlorobenzene (Liu et al.2004)

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Figure S3 Chromatogram of PCDD/Fs in #R2 sample

Figure S4Chromatogram of DL-PCBs in #R2 sample

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Table S1Details about the cleanup spike and syringe spike used in this study

PCDD/Fs / DL-PCBs / other PCBs
cleanup spike / 2,3,7,8-TCDD (13C12, 99%) / 3,3',4,4'-TetraCB (13C12, 99%) , #77 / 4-MonoCB (13C12, 99%) , #3
1,2,3,7,8-PeCDD (13C12, 99%) / 3,4,4',5-TetraCB (13C12, 99%) , #81 / 2,4-DiCB (13C12, 99%) , #8
1,2,3,4,7,8-HxCDD (13C12, 99%) / 3,3',4,4',5-PentaCB (13C12, 99%) , #126 / 2,4,4'-TriCB (13C12, 99%) , #28
1,2,3,6,7,8-HxCDD (13C12, 99%) / 3,3',4,4',5,5'-HexaCB (13C12, 99%) , #169 / 2,2',5',5-TetraCB (13C12, 99%) , #52
1,2,3,7,8,9-HxCDD (13C12, 99%) / 2,3,3',4,4'-PentaCB (13C12, 99%) , #105 / 2,2'4,5,5'-PentaCB (13C12, 99%) , #101
1,2,3,4,6,7,8-HpCDD (13C12, 99%) / 2,3,4,4',5-PentaCB (13C12, 99%) , #114 / 2,3,4,4',5-PentaCB (13C12, 99%) , #114
OCDD (13C12, 99%) / 2,3',4,4',5-PentaCB (13C12, 99%) , #118 / 2,3',4,4',5-PentaCB (13C12, 99%) , #118
2,3,7,8-TCDF (13C12, 99%) / 2',3,4,4',5-PentaCB (13C12, 99%) , #123 / 2,2',3,4,4',5-HexaCB (13C12, 99%) , #138
1,2,3,7,8-PeCDF (13C12, 99%) / 2,3,3',4,4',5-HexaCB (13C12, 99%) , #156 / 2,2',4,4',5,5'-HexaCB (13C12, 99%) , #153
2,3,4,7,8-PeCDF (13C12, 99%) / 2,3,3',4,4',5'-HexaCB (13C12, 99%) , #157 / 2,2',3,4,4',5,5'-HeptaCB (13C12, 99%) , #180
1,2,3,4,7,8-HxCDF (13C12, 99%) / 2,3',4,4',5,5'-HexaCB (13C12, 99%) , #167 / 2,2',3,4,4',5,5'-OctaCB (13C12, 99%) , #194
1,2,3,6,7,8-HxCDF (13C12, 99%) / 2,3,3',4,4',5,5'-HeptaCB (13C12, 99%), #189 / 2,2',3,3',4,4',5,5',6-NonaCB (13C12, 99%) , #206
1,2,3,7,8,9-HxCDF (13C12, 99%) / DecaCB (13C12, 99%), #209
2,3,4,6,7,8-HxCDF (13C12, 99%)
1,2,3,4,6,7,8-HpCDF (13C12, 99%)
1,2,3,4,7,8,9-HpCDF (13C12, 99%)
OCDF (13C12, 99%)
syringe spike / 1,2,7,8-TCDF (13C12, 99%) / 2,3',4',5-TetraCB (13C12, 99%) , #70 / 2,4',6-TriCB (13C12, 99%) , #32
1,2,3,4,6-PeCDF (13C12, 99%) / 3,3',4,5,5'-PentaCB (13C12, 99%) , #127 / 2,3',4',5-TetraCB (13C12, 99%) , #70
1,2,3,4,6,7- HxCDD (13C12, 99%) / 2,2',3,3',4,4'-HexaCB (13C12, 99%) , #128 / 3,3',4,5,5'-PentaCB (13C12, 99%) , #127
1,2,3,4,6,8,9- HpCDF (13C12, 99%) / 2,2',3,3',4,4',5-HeptaCB (13C12, 99%) , #170 / 2,2',3,3',4,4'-HexaCB (13C12, 99%) , #128
2,2',3,3',4,4',5-HeptaCB (13C12, 99%) , #170

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Table S2 Concentration of PCDD/Fs and PCBs in two Chinese PCNB raw pesticides, unit: ng g-1

Compounds / #R1 / #R1 (replication) / #R2 / #R2 (replication)
SDL / SQL / Concen
tration / SDL / SQL / Concentration / SDL / SQL / Concen
tration / SDL / SQL / Concen
tration
PCDDs / 2,3,7,8-TeCDD / 0.02 / 0.06 / ND / 0.02 / 0.05 / ND / 0.02 / 0.08 / ND / 0.02 / 0.07 / ND
TeCDDs / - / - / ND / - / - / ND / - / - / ND / - / - / ND
1,2,3,7,8-PeCDD / 0.02 / 0.08 / ND / 0.02 / 0.07 / ND / 0.03 / 0.09 / ND / 0.03 / 0.09 / ND
PeCDDs / - / - / ND / - / - / ND / - / - / ND / - / - / ND
1,2,3,4,7,8-HxCDD / 0.07 / 0.22 / ND / 0.06 / 0.21 / ND / 0.08 / 0.26 / ND / 0.08 / 0.26 / ND
1,2,3,6,7,8-HxCDD / 0.04 / 0.13 / ND / 0.04 / 0.12 / ND / 0.06 / 0.19 / ND / 0.04 / 0.15 / ND
1,2,3,7,8,9-HxCDD / 0.03 / 0.10 / ND / 0.03 / 0.10 / ND / 0.05 / 0.17 / ND / 0.04 / 0.13 / ND
HxCDDs / - / - / ND / - / - / ND / - / - / 0.11 / - / - / 0.11
1,2,3,4,6,7,8-HpCDD / 0.05 / 0.16 / 0.26 / 0.05 / 0.15 / 0.29 / 0.06 / 0.19 / 1.1 / 0.06 / 0.19 / 1.2
HpCDDs / - / - / 0.45 / - / - / 0.48 / - / - / 1.9 / - / - / 2.1
OCDD / 0.1 / 0.4 / 11 / 0.1 / 0.4 / 13 / 0.1 / 0.5 / 470 / 0.1 / 0.5 / 500
Total PCDDs / - / - / 11 / - / - / 13 / - / - / 470 / - / - / 500
PCDFs / 2,3,7,8-TeCDF / 0.04 / 0.14 / ND / 0.04 / 0.13 / ND / 0.05 / 0.16 / ND / 0.05 / 0.16 / 0.06
TeCDFs / - / - / 1.0 / - / - / 0.48 / - / - / 0.65 / - / - / 0.84
1,2,3,7,8-PeCDF / 0.02 / 0.08 / 0.04 / 0.02 / 0.07 / 0.04 / 0.03 / 0.09 / 0.10 / 0.03 / 0.09 / 0.10
2,3,4,7,8-PeCDF / 0.05 / 0.16 / 0.05 / 0.05 / 0.15 / 0.05 / 0.05 / 0.18 / 0.12 / 0.06 / 0.18 / 0.14
PeCDFs / - / - / 0.80 / - / - / 0.66 / - / - / 4.6 / - / - / 5.2
1,2,3,4,7,8-HxCDF / 0.03 / 0.09 / 1.4 / 0.03 / 0.09 / 1.3 / 0.03 / 0.10 / 4.8 / 0.03 / 0.10 / 5.4
1,2,3,6,7,8-HxCDF / 0.03 / 0.10 / 0.05 / 0.03 / 0.10 / 0.08 / 0.03 / 0.12 / 0.25 / 0.04 / 0.12 / 0.26
1,2,3,7,8,9-HxCDF / 0.05 / 0.18 / ND / 0.05 / 0.17 / ND / 0.06 / 0.20 / 0.15 / 0.06 / 0.21 / 0.08
2,3,4,6,7,8-HxCDF / 0.06 / 0.2 / 0.15 / 0.06 / 0.19 / 0.19 / 0.07 / 0.23 / 0.43 / 0.07 / 0.23 / 0.48
HxCDFs / - / - / 3.0 / - / - / 2.9 / - / - / 16 / - / - / 17
1,2,3,4,6,7,8-HpCDF / 0.08 / 0.26 / 6.0 / 0.07 / 0.24 / 5.9 / 0.09 / 0.29 / 9.6 / 0.09 / 0.30 / 10
1,2,3,4,7,8,9-HpCDF / 0.04 / 0.14 / 0.84 / 0.04 / 0.13 / 0.97 / 0.05 / 0.16 / 5.1 / 0.05 / 0.16 / 5.6
HpCDFs / - / - / 8.3 / - / - / 8.3 / - / - / 24 / - / - / 26
OCDF / 0.07 / 0.24 / 37 / 0.07 / 0.22 / 36 / 0.08 / 0.27 / 93 / 0.09 / 0.31 / 100
Total PCDFs / - / - / 50 / - / - / 48 / - / - / 140 / - / - / 150
DL-PCBs / 3,3',4,4'-TeCB (#77) / 0.02 / 0.06 / 0.26 / 0.02 / 0.06 / 0.24 / 0.03 / 0.09 / 12 / 0.03 / 0.10 / 13
3,4,4',5-TeCB (#81) / 0.06 / 0.22 / ND / 0.06 / 0.20 / ND / 0.02 / 0.07 / ND / 0.02 / 0.07 / ND
3,3'4,4',5-PeCB (#126) / 0.03 / 0.10 / 4.8 / 0.03 / 0.09 / 4.8 / 0.01 / 0.05 / 12 / 0.01 / 0.05 / 12
3,3',4,4',5,5'-HxCB (#169) / 0.02 / 0.08 / 6.9 / 0.02 / 0.08 / 6.6 / 0.02 / 0.05 / 40 / 0.02 / 0.05 / 42
Total non-ortho PCBs / - / - / 12 / - / - / 12 / - / - / 64 / - / - / 68
2,3,3',4,4'-PeCB (#105) / 0.05 / 0.17 / ND / 0.05 / 0.16 / ND / 9 / 29 / ND / 9 / 30 / ND
2,3,4,4',5-PeCB (#114) / 0.05 / 0.15 / ND / 0.07 / 0.23 / ND / 10 / 30 / ND / 10 / 30 / ND
2,3',4,4',5-PeCB (#118) / 0.06 / 0.18 / 0.22 / 0.05 / 0.17 / ND / 10 / 40 / ND / 10 / 40 / ND
2',3,4,4',5-PeCB (#123) / 0.02 / 0.07 / 0.08 / 0.03 / 0.10 / 0.12 / 9 / 29 / ND / 9 / 30 / ND
2,3,3',4,4',5-HxCB (#156) / 0.07 / 0.25 / 0.78 / 0.09 / 0.31 / 0.57 / 9 / 29 / 13 / 9 / 30 / 16
2,3,3',4,4',5'-HxCB (#157) / 0.05 / 0.15 / ND / 0.04 / 0.15 / ND / 9 / 29 / ND / 9 / 30 / ND
2,3',4,4',5,5'-HxCB (#167) / 0.05 / 0.17 / 0.43 / 0.07 / 0.24 / 0.58 / 9 / 29 / ND / 9 / 30 / ND
2,3,3',4,4',5,5'-HpCB (#189) / 0.03 / 0.10 / 7.7 / 0.04 / 0.14 / 6.2 / 10 / 40 / 41 / 10 / 40 / 43
Total mon-ortho PCBs / - / - / 9.2 / - / - / 7.5 / - / - / 55 / - / - / 59
Total DL-PCBs / - / - / 21 / - / - / 19 / - / - / 110 / - / - / 120
Indicator PCBs / 2,4,4'-TrCB(#28) / - / - / - / - / - / - / 60 / 210 / ND / 60 / 210 / ND
2,2',5',5-TeCB(#52) / - / - / - / - / - / - / 9 / 29 / ND / 9 / 30 / ND
2,2'4,5,5'-PeCB(#101) / - / - / - / - / - / - / 6 / 19 / ND / 6 / 19 / ND
2,3',4,4',5-PeCB(#118) / - / - / - / - / - / - / 10 / 40 / ND / 10 / 40 / ND
2,2',3,4,4',5-HxCB(#138) / - / - / - / - / - / - / 10 / 30 / ND / 10 / 30 / ND
2,2',4,4',5,5'-HxCB(#153) / - / - / - / - / - / - / 8 / 25 / ND / 8 / 26 / ND
2,2',3,4,4',5,5'-HpCB(#180) / - / - / - / - / - / - / 10 / 40 / ND / 10 / 40 / ND
Other PCBs / 4-MoCB(#3) / - / - / - / - / - / - / 10 / 30 / ND / 10 / 40 / ND
MoCBs / - / - / - / - / - / - / - / - / ND / - / - / ND
2,4-DiCB(#8) / - / - / - / - / - / - / 100 / 300 / ND / 100 / 300 / ND
DiCBs / - / - / - / - / - / - / - / - / ND / - / - / ND
TrCBs / - / - / - / - / - / - / - / - / ND / - / - / ND
TeCBs / - / - / - / - / - / - / - / - / ND / - / - / ND
2,3,4,4',5-PeCB(#114) / - / - / - / - / - / - / 10 / 30 / ND / 10 / 30 / ND
PeCBs / - / - / - / - / - / - / - / - / 27 / - / - / 27
HxCBs / - / - / - / - / - / - / - / - / 81 / - / - / 92
HpCBs / - / - / - / - / - / - / - / - / 130 / - / - / 130
2,2',3,4,4',5,5'-OcCB(#194) / - / - / - / - / - / - / 10 / 50 / 65 / 10 / 50 / 72
OcCBs / - / - / - / - / - / - / - / - / 250 / - / - / 270
2,2',3,3',4,4',5,5',6-NoCB(#206) / - / - / - / - / - / - / 20 / 50 / 330 / 20 / 50 / 350
NoCBs / - / - / - / - / - / - / - / - / 390 / - / - / 400
DeCB(#209) / - / - / - / - / - / - / 10 / 50 / 2700 / 20 / 50 / 2600
Total PCBs / - / - / - / - / - / - / - / - / 3600 / - / - / 3600

Note:ND means not detected (i.e. lower than the reporting limit

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Table S3 Concentration of PCDD/Fs and PCBs in Chinese three PCNB formulations, unit: ng g-1

Compounds / #F1 / #F1 (replication) / #F2 (replication) / #F2 (replication) / #F3 (replication) / #F3 (replication)
SDL / SQL / Conc
entra
tion / SDL / SQL / Concentra
tion / SDL / SQL / Concentration / SDL / SQL / Concentra
tion / SDL / SQL / Concentra
tion / SDL / SQL / Concentration
PCDDs / 2,3,7,8-TeCDD / 0.009 / 0.031 / ND / 0.009 / 0.031 / ND / 0.006 / 0.021 / ND / 0.007 / 0.023 / ND / 0.005 / 0.016 / NA / 0.005 / 0.017 / NA
TeCDDs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / NA / - / - / NA
1,2,3,7,8-PeCDD / 0.01 / 0.05 / ND / 0.01 / 0.04 / ND / 0.008 / 0.028 / ND / 0.009 / 0.031 / ND / 0.007 / 0.022 / ND / 0.009 / 0.031 / ND
PeCDDs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND
1,2,3,4,7,8-HxCDD / 0.04 / 0.12 / ND / 0.04 / 0.12 / ND / 0.02 / 0.08 / 0.06 / 0.03 / 0.09 / 0.04 / 0.02 / 0.06 / ND / 0.02 / 0.07 / ND
1,2,3,6,7,8-HxCDD / 0.02 / 0.08 / ND / 0.02 / 0.07 / ND / 0.01 / 0.05 / ND / 0.02 / 0.05 / ND / 0.01 / 0.04 / ND / 0.01 / 0.04 / ND
1,2,3,7,8,9-HxCDD / 0.02 / 0.07 / ND / 0.02 / 0.06 / ND / 0.01 / 0.04 / ND / 0.01 / 0.04 / ND / 0.01 / 0.03 / ND / 0.01 / 0.03 / ND
HxCDDs / - / - / ND / - / - / ND / - / - / 0.10 / - / - / 0.10 / - / - / 0.11 / - / - / 0.10
1,2,3,4,6,7,8-HpCDD / 0.03 / 0.09 / 0.12 / 0.03 / 0.09 / 0.13 / 0.02 / 0.06 / 0.25 / 0.02 / 0.06 / 0.21 / 0.01 / 0.05 / 0.65 / 0.01 / 0.05 / 0.68
HpCDDs / - / - / 0.23 / - / - / 0.25 / - / - / 0.46 / - / - / 0.37 / - / - / 1.7 / - / - / 1.8
OCDD / 0.07 / 0.23 / 10 / 0.07 / 0.23 / 11 / 0.05 / 0.16 / 7.2 / 0.05 / 0.17 / 6.9 / 0.04 / 0.12 / 54 / 0.04 / 0.13 / 57
Total PCDDs / - / - / 11 / - / - / 11 / - / - / 7.8 / - / - / 7.4 / - / - / 55 / - / - / 59
PCDFs / 2,3,7,8-TeCDF / 0.02 / 0.08 / ND / 0.02 / 0.08 / ND / 0.02 / 0.05 / ND / 0.02 / 0.06 / 0.02 / 0.01 / 0.04 / ND / 0.01 / 0.04 / 0.02
TeCDFs / - / - / 0.17 / - / - / 2.0 / - / - / 0.13 / - / - / 0.70 / - / - / 0.19 / - / - / 0.38
1,2,3,7,8-PeCDF / 0.01 / 0.04 / ND / 0.01 / 0.04 / ND / 0.008 / 0.028 / ND / 0.009 / 0.031 / 0.010 / 0.007 / 0.022 / 0.04 / 0.007 / 0.023 / 0.04
2,3,4,7,8-PeCDF / 0.03 / 0.09 / ND / 0.03 / 0.08 / ND / 0.02 / 0.06 / ND / 0.02 / 0.06 / ND / 0.01 / 0.05 / 0.05 / 0.01 / 0.05 / 0.05
PeCDFs / - / - / 0.42 / - / - / 0.59 / - / - / 0.37 / - / - / 0.40 / - / - / 2.2 / - / - / 2.2
1,2,3,4,7,8-HxCDF / 0.02 / 0.06 / 0.52 / 0.02 / 0.06 / 0.52 / 0.04 / 0.14 / 0.26 / 0.05 / 0.16 / 0.30 / 0.01 / 0.03 / 1.3 / 0.01 / 0.05 / 1.3
1,2,3,6,7,8-HxCDF / 0.02 / 0.05 / 0.34 / 0.02 / 0.06 / 0.61 / 0.04 / 0.15 / 5.4 / 0.05 / 0.16 / 6.9 / 0.009 / 0.030 / 0.19 / 0.01 / 0.05 / 0.18
1,2,3,7,8,9-HxCDF / 0.07 / 0.23 / ND / 0.03 / 0.11 / ND / 0.06 / 0.21 / ND / 0.1 / 0.4 / ND / 0.02 / 0.05 / 0.04 / 0.02 / 0.05 / 0.04
2,3,4,6,7,8-HxCDF / 0.03 / 0.10 / 0.17 / 0.03 / 0.10 / 0.18 / 0.05 / 0.15 / 0.22 / 0.05 / 0.17 / 0.18 / 0.02 / 0.06 / 0.74 / 0.02 / 0.06 / 0.75
HxCDFs / - / - / 1.9 / - / - / 2.3 / - / - / 6.6 / - / - / 8.1 / - / - / 5.2 / - / - / 5.2
1,2,3,4,6,7,8-HpCDF / 0.04 / 0.14 / 3.6 / 0.04 / 0.14 / 3.7 / 0.03 / 0.09 / 3.6 / 0.03 / 0.10 / 3.3 / 0.02 / 0.07 / 6.7 / 0.02 / 0.08 / 6.7
1,2,3,4,7,8,9-HpCDF / 0.02 / 0.08 / 0.81 / 0.02 / 0.07 / 0.86 / 0.03 / 0.10 / 1.3 / 0.03 / 0.10 / 1.1 / 0.01 / 0.04 / 2.7 / 0.02 / 0.05 / 2.7
HpCDFs / - / - / 5.6 / - / - / 5.9 / - / - / 6.8 / - / - / 6.1 / - / - / 14 / - / - / 15
OCDF / 0.2 / 0.5 / 31 / 0.4 / 1.2 / 31 / 0.1 / 0.4 / 30 / 0.03 / 0.09 / 0.02 / 0.07 / 76 / 0.02 / 0.07 / 80
Total PCDFs / - / - / 39 / - / - / 42 / - / - / 44 / - / - / 42 / - / - / 98 / - / - / 100
DL-PCBs / 3,3',4,4'-TeCB (#77) / 0.01 / 0.04 / 0.74 / 0.01 / 0.04 / 0.84 / 0.009 / 0.030 / 0.23 / 0.01 / 0.03 / 0.23 / 0.007 / 0.022 / 4.8 / 0.007 / 0.022 / 5.9
3,4,4',5-TeCB (#81) / 0.01 / 0.03 / 0.03 / 0.01 / 0.03 / 0.02 / 0.007 / 0.023 / ND / 0.007 / 0.025 / ND / 0.005 / 0.017 / 0.03 / 0.005 / 0.017 / ND
3,3'4,4',5-PeCB (#126) / 0.007 / 0.023 / 11 / 0.007 / 0.022 / 13 / 0.005 / 0.015 / 4.3 / 0.005 / 0.017 / 4.1 / 0.003 / 0.011 / 7.0 / 0.003 / 0.011 / 9.2
3,3',4,4',5,5'-HxCB
(#169) / 0.008 / 0.025 / 25 / 0.007 / 0.025 / 26 / 0.005 / 0.017 / 14 / 0.006 / 0.019 / 13 / 0.004 / 0.013 / 23 / 0.004 / 0.013 / 27
Total non-ortho PCBs / - / - / 37 / - / - / 40 / - / - / 19 / - / - / 18 / - / - / 35 / - / - / 42
2,3,3',4,4'-PeCB (#105) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / ND / 2 / 7 / ND
2,3,4,4',5-PeCB (#114) / 5 / 16 / ND / 5 / 15 / ND / 3 / 10 / ND / 3 / 11 / ND / 2 / 8 / ND / 2 / 8 / ND
2,3',4,4',5-PeCB (#118) / 5 / 17 / ND / 5 / 17 / ND / 3 / 11 / ND / 4 / 12 / ND / 3 / 8 / ND / 3 / 8 / ND
2',3,4,4',5-PeCB (#123) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / ND / 2 / 7 / ND
2,3,3',4,4',5-HxCB
(#156) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / 6.8 / 2 / 7 / 8.2
2,3,3',4,4',5'-HxCB
(#157) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / ND / 2 / 7 / ND
2,3',4,4',5,5'-HxCB (#167) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / ND / 2 / 7 / ND
2,3,3',4,4',5,5'-HpCB (#189) / 5 / 18 / ND / 5 / 17 / ND / 4 / 12 / 3.9 / 4 / 13 / ND / 3 / 9 / 24 / 3 / 9 / 33
Total mon-ortho PCBs / - / - / 4.9 / - / - / 4.8 / - / - / 3.9 / - / - / 3.3 / - / - / 32 / - / - / 42
Total DL-PCBs / - / - / 41 / - / - / 44 / - / - / 23 / - / - / 21 / - / - / 67 / - / - / 84
Indicator PCBs / 2,4,4'-TrCB(#28) / 30 / 100 / ND / 30 / 100 / ND / 20 / 60 / ND / 20 / 70 / ND / 10 / 50 / ND / 10 / 50 / ND
2,2',5',5-TeCB(#52) / 4 / 14 / ND / 4 / 14 / ND / 3 / 9 / ND / 3 / 10 / ND / 2 / 7 / ND / 2 / 7 / ND
2,2'4,5,5'-PeCB(#101) / 3 / 9 / ND / 3 / 9 / ND / 2 / 6 / ND / 2 / 7 / ND / 1 / 4 / ND / 1 / 4 / ND
2,3',4,4',5-PeCB(#118) / 5 / 17 / ND / 5 / 17 / ND / 3 / 11 / ND / 4 / 12 / ND / 3 / 8 / ND / 3 / 8 / ND
2,2',3,4,4',5-HxCB
(#138) / 5 / 16 / ND / 5 / 15 / ND / 3 / 10 / ND / 3 / 11 / ND / 2 / 8 / ND / 2 / 8 / ND
2,2',4,4',5,5'-HxCB
(#153) / 4 / 12 / ND / 4 / 12 / ND / 2 / 8 / ND / 3 / 9 / ND / 2 / 6 / ND / 2 / 6 / ND
2,2',3,4,4',5,5'-HpCB
(#180) / 5 / 18 / ND / 5 / 17 / ND / 4 / 12 / ND / 4 / 13 / ND / 3 / 9 / ND / 3 / 9 / ND
Other PCBs / 4-MoCB(#3) / 5 / 16 / ND / 5 / 16 / ND / 3 / 11 / ND / 4 / 12 / ND / 2 / 8 / ND / 2 / 8 / ND
MoCBs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND
2,4-DiCB(#8) / 60 / 190 / ND / 40 / 140 / ND / 20 / 80 / ND / 30 / 90 / ND / 20 / 60 / ND / 30 / 100 / ND
DiCBs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND
TrCBs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND
TeCBs / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / ND / - / - / 3.9
2,3,4,4',5-PeCB(#114) / 5 / 16 / ND / 5 / 15 / ND / 3 / 10 / ND / 3 / 11 / ND / 2 / 8 / ND / 2 / 8 / ND
PeCBs / - / - / 18 / - / - / 20 / - / - / 6.2 / - / - / 5.6 / - / - / 16 / - / - / 20
HxCBs / - / - / 25 / - / - / 27 / - / - / 14 / - / - / 12 / - / - / 33 / - / - / 43
HpCBs / - / - / 17 / - / - / 19 / - / - / 6.9 / - / - / 6.3 / - / - / 49 / - / - / 64
2,2',3,4,4',5,5'-OcCB
(#194) / 7 / 23 / 24 / 7 / 23 / 27 / 5 / 15 / 17 / 5 / 17 / 15 / 3 / 11 / 35 / 3 / 12 / 43
OcCBs / - / - / 76 / - / - / 83 / - / - / 40 / - / - / 37 / - / - / 92 / - / - / 120
2,2',3,3',4,4',5,5',6-NoCB(#206) / 7 / 24 / 340 / 7 / 23 / 380 / 5 / 16 / 140 / 5 / 17 / 130 / 4 / 12 / 96 / 4 / 12 / 130
NoCBs / - / - / 370 / - / - / 410 / - / - / 170 / - / - / 150 / - / - / 110 / - / - / 140
DeCB(#209) / 7 / 23 / 510 / 7 / 23 / 550 / 5 / 16 / 270 / 5 / 17 / 240 / 3 / 12 / 490 / 3 / 12 / 630
Total PCBs / - / - / 1000 / - / - / 1100 / - / - / 510 / - / - / 470 / - / - / 800 / - / - / 1000

Note:ND means not detected (i.e. lower than the reporting limit)

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