Chlorfenvinphos, 1000µg/ml in MeOH, 1ml

2,2',3',4,4',5,5'-Heptachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane

Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1

ICP-MS Verification Standard #2