2,6-Dichloroaniline, 100 µg/ml, Methanol, 5ml

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml

Hafnium (Hf)

PCB No. 167, 100µg/ml in Isooctane, 1ml