Di-n-pentyldiphenyltin,1000 µg/mL,isooctane,1mL,

2,2',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Hexachlorobutadiene, 1000µg/ml in Toluene, 1ml

2-Methyl-4,6-dinitrophenol-d2