Internal Standard Solution, 1.2ml, nonane

1-Bromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Octachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2234-13-1

Dibenzo[a,e]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5385-75-1