4,4'-DDA, 100mg

2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3,3',4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane