2,7-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Sulfadimethoxine-d4, 1mg

3,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-50-4