Name :FORTIFIED FISH Isotope:REFERENCE MATERIAL Catalog Number :EDF-2526 Quantity :10 G Formula :no formula is available. Categories: Dioxin & Furan Mixtures (DFM)2,3,7,8 TCDD . 20.3 ± 2.59 ng/kg 1,2,3,7,8-PeCDF . 42.1 ± 9.30 ng/kgTotal TCDD . 18.7 ±