Bentazone-8-hydroxy, 100 µg/ml, Acetonitrile, 1m

beta-Estradiol hemihydrate, 100 µg/ml, Methanol,

2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4

2,3,3',4',5,6-Hexachlorobiphenyl