Heptachlor, 1000µg/ml in Hexane, 1ml

Mecoprop, 100 µg/ml, Acetonitrile, 5ml

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6

Silver (Ag)