EPA-23CS4- Individual Calibration Solutions - 500 ul in nonane

NATIVE PCDDs & PCDFs (ng/ml)

2,3,7,8-Tetrachlorodibenzo-p-dioxin (50) 2,3,7,8-Tetrachlorodibenzofuran (50) 1,2,3,7,8-Pentachlorodibenzo-p-dioxin (250) 1,2,3,7,8-Pentachlorodibenzofuran (250) 2,3,4,7,8-Pentachlorodibenzofuran (250) 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin (250) 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin (250) 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin (250) 1,2,3,4,7,8-Hexachlorodibenzofuran (250) 1,2,3,6,7,8-Hexachlorodibenzofuran (250) 1,2,3,7,8,9-Hexachlorodibenzofuran (250) 2,3,4,6,7,8-Hexachlorodibenzofuran (250) 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin (250) 1,2,3,4,6,7,8-Heptachlorodibenzofuran (250) 1,2,3,4,7,8,9-Heptachlorodibenzofuran (250) Octachlorodibenzo-p-dioxin (500) Octachlorodibenzofuran (500)

INTERNAL STANDARDS (ng/ml)

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

SUROGATE STANDARDS

2,3,7,8-[37Cl4]-Tetrachlorodibenzo-p-dioxin (50) 2,3,4,7,8-Pentachloro[13C12]dibenzofuran (250) 1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin (250) 1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran (250) 1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran (250)

ALTERNATIVE STANDARD

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran (250)

RECOVERY STANDARDS (ng/ml)

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