WMS-01 Reference Lake Sediment for Organic Contaminant Analysis - 25g in N/A

Chlorinated Dibenzo-p-dioxins (PCDDs) Certified Reference value (pg/g)

2,3,7,8-Tetrachlorodibenzo-p-dioxin 17.7 ± 5.6

Total Tetrachlorodibenzo-p-dioxins 60.1 ± 25

1,2,3,7,8-Pentachlorodibenzo-p-dioxin 7.96 ± 2.8

Total Pentachlorodibenzo-p-dioxins 69.5 ± 23

1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin 8.66 ± 2.7

1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin 20.8 ± 4.8

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin 17.3 ± 8.0

Total Hexachlorodibenzo-p-dioxins 238 ± 86

1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin 293 ± 63

Total Heptachlorodibenzo-p-dioxins 608 ± 152

Octachlorodibenzo-p-dioxin 1899 ± 456

Chlorinated Dibenzofurans (PCDFs)

2,3,7,8-Tetrachlorodibenzofuran 52.5 ± 16

Total Tetrachlorodibenzofurans 374 ± 162

1,2,3,7,8-Pentachlorodibenzofuran 12.6 ± 5.0

2,3,4,7,8-Pentachlorodibenzofuran 18.5 ± 6.1

Total Pentachlorodibenzofurans 225 ± 113

1,2,3,4,7,8-Hexachlorodibenzofuran 67.3 ± 24

1,2,3,6,7,8-Hexachlorodibenzofuran 20.3 ± 8.7

1,2,3,7,8,9-Hexachlorodibenzofuran 2.68* ± 4.0

2,3,4,6,7,8-Hexachlorodibenzofuran 16 ± 8.0

Total Hexachlorodibenzofurans 262 ± 95

1,2,3,4,6,7,8-Heptachlorodibenzofuran 299 ± 73

1,2,3,4,7,8,9-Heptachlorodibenzofuran 15.1 ± 4.6

Total Heptachlorodibenzofurans 411 ± 100

Octachlorodibenzofuran 509 157

Chlorinated Biphenyls (PCBs-IUPAC)

3,3',4,4'-Tetrachlorobiphenyl (77) 1717 ± 520

3,4,4',5-Tetrachlorobiphenyl (81) 75* ± 79

2,3,3',4,4'-Pentachlorobiphenyl (105) 3998 ± 951

2,3,4,4',5-Pentachlorobiphenyl (114) 207 ± 128

2,3',4,4',5-Pentachlorobiphenyl (118) 8115 ± 1663

2',3,4,4',5-Pentachlorobiphenyl (123) 209 ± 191

3,3',4,4',5-Pentachlorobiphenyl (126) 84.9 ± 35

2,3,3',4,4',5-Hexachlorobiphenyl (156) 715 ± 248

2,3,3',4,4',5'-Hexachlorobiphenyl (157) 186 ± 81

2,3',4,4',5,5'-Hexachlorobiphenyl (167) 330 ± 85

3,3',4,4',5,5'-Hexachlorobiphenyl (169) 7.97 ± 5.3

2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) 85.2 ± 17.8

* Provisional value for information purposes only. Any negative deviation is inadmissable. The concentrations of these analytes may be certified at a later date as more data becomes available.