[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Hexachlorobenzene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 118-74-1

Azamethiphos, 250mg

2,3',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-35-2