2,4´-DDT D8, 100µg/ml in Acetone, 1ml

Thallium (Tl)

2,2',3,5',6-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Diisononyl phthalate (C9-alkyl ester isomer mix),1000 µg/mL,isooctane,1mL,