2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

4-Bromodibenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 97511-05-2

ICP-MS Verification Kit

4-Hydroxy-2,2',5'-trichlorobiphenyl, 5mg