PCB 52-d3, 10µg/ml in Cyclohexane, 5ml

5-Chloro-2-methyl-4-isothiazolin-3-one, certified, 0.1g

2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4, 100 µg/mL in Isooctane, 1mL

2,4-Dichloroaniline, 500mg