Additional Internal Standard Solution - 1.2 ml in toluene

ADDITIONAL INTERNAL STANDARDS (ng/ml)

1,2,3,7,8-Pentachloro[13C12]dibenzo-p-dioxin (5)

1,2,3,7,8-Pentachloro[13C12]dibenzofuran (5)

1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran (5)

1,2,3,4,6,7,8-Heptachloro[13C12]dibenzo-p-dioxin (10)

Octachloro[13C12]dibenzofuran (10)