This solution, originally introduced by Wellington, allows the HRGC/HRMS operator, with one injection, to:

• Set, or confirm, PCDD and PCDF congener group windows
• Test, or confirm, 2,3,7,8-TCDD resolution
• Verify the calibration

QUANTITATIVE ANALYTES (ng/ml)

NATIVE PCDDs & PCDFs:   (ng/ml)

2,3,7,8-Tetrachlorodibenzo-p-dioxin (10) 2,3,7,8-Tetrachlorodibenzofuran (10) 1,2,3,7,8-Pentachlorodibenzo-p-dioxin (50) 1,2,3,7,8-Pentachlorodibenzofuran (50) 2,3,4,7,8-Pentachlorodibenzofuran (50) 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin (50) 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin (50) 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (50) 1,2,3,4,7,8-Hexachlorodibenzofuran (50) 1,2,3,6,7,8-Hexachlorodibenzofuran (50) 1,2,3,7,8,9-Hexachlorodibenzofuran (50) 2,3,4,6,7,8-Hexachlorodibenzofuran (50) 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin(WD) (50) 1,2,3,4,6,7,8-Heptachlorodibenzofuran(WD) (50) 1,2,3,4,7,8,9-Heptachlorodibenzofuran(WD) (50) Octachlorodibenzo-p-dioxin (100) Octachlorodibenzofuran (100)

LABELLED PCDDs & PCDFS:

2,3,7,8-Tetrachloro[13C12] dibenzo-p-dioxin (100) 2,3,7,8-Tetrachloro[13C12]dibenzofuran (100)

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin (100) 1,2,3,7,8-Pentachloro[13C12]dibenzofuran (100) 2,3,4,7,8-Pentachloro[13C12]dibenzofuran (100) 1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin (100) 1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin (100) 1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran (100) 1,2,3,6,7,8-Hexachloro[13C12]dibenzofuran (100) 1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran (100) 2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran (100) 1,2,3,4,6,7,8-Heptachloro[13C12]dibenzo-p-dioxin (100) 1,2,3,4,6,7,8-Heptachloro[13C12]dibenzofuran (100) 1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran (100) Octachloro[13C12]dibenzo-p-dioxin (200)

CLEANUP STANDARD

2,3,7,8-[37Cl4]-Tetrachlorodibenzo-p-dioxin (10)

INTERNAL STANDARDS:

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin (100) 1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin (100)

SEMI-QUANTITATIVE ANALYTES (ng/ml)

WINDOW DEFINERS :

1,3,6,8-Tetrachlorodibenzo-p-dioxin (10) 1,2,8,9-Tetrachlorodibenzo-p-dioxin (10) 1,3,6,8-Tetrachlorodibenzofuran (10) 1,2,8,9-Tetrachlorodibenzofuran (10) 1,2,4,7,9-Pentachlorodibenzo-p-dioxin (50) 1,2,3,8,9-Pentachlorodibenzo-p-dioxin (50) 1,3,4,6,8-Pentachlorodibenzofuran (50) 1,2,3,8,9-Pentachlorodibenzofuran (50) 1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin (50) 1,2,3,4,6,8-Hexachlorodibenzofuran (50) 1,2,3,4,6,7,9-Heptachlorodibenzo-p-dioxin (50)

2,3,7,8 -TCDD RESOLUTION TESTING ISOMERS:

1,2,3,4-Tetrachlorodibenzo-p-dioxin (5) 1,2,3,7/1,2,3,8-Tetrachlorodibenzo-p-dioxin mix (5) 1,2,3,9-Tetrachlorodibenzo-p-dioxin (10)