2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol

Acenaphthene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83-32-9

Diethanolamine, 1ml