Heptachlor, 100 µg/ml, Acetonitrile, 1ml

Anions Mix

2,4'-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34883-43-7

Benzo(e)pyrene,1000µg/ml in methylene chloride,1ml