2-Methoxyethanol,1000 µg/mL,MeOH,1mL,

Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane

Methyl docosanoate (Methyl behenate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 929-77-1

D5-Nalidixic acid, 10mg